{"id":3123,"date":"2023-10-07T10:05:47","date_gmt":"2023-10-07T02:05:47","guid":{"rendered":"https:\/\/maxtormetal.com\/?post_type=product&#038;p=3123"},"modified":"2026-07-20T13:41:51","modified_gmt":"2026-07-20T05:41:51","slug":"luoi-dao-cat-cuon","status":"publish","type":"product","link":"https:\/\/maxtormetal.com\/vi\/product\/roller-shearing-blades\/","title":{"rendered":"L\u01b0\u1ee1i c\u1eaft cu\u1ed9n kim lo\u1ea1i"},"content":{"rendered":"<h2>L\u01b0\u1ee1i dao c\u1eaft cu\u1ed9n v\u00e0 dao x\u1ebb v\u00f2ng \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/h2>\r\n<p>T\u1ea1i Maxtor Metal, ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t dao x\u1ebb v\u00f2ng (slitter) v\u00e0 l\u01b0\u1ee1i dao c\u1eaft cu\u1ed9n cho c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb b\u0103ng kim lo\u1ea1i t\u1ed1c \u0111\u1ed9 cao v\u00e0 m\u00e1y c\u1eaft c\u1ea1nh, n\u01a1i ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft ch\u1ed3ng l\u00ean nhau. Th\u00f4ng qua c\u00e1c chuy\u1ec3n \u0111\u1ed9ng quay \u0111\u1ed3ng b\u1ed9 gi\u1eefa l\u01b0\u1ee1i dao tr\u00ean v\u00e0 d\u01b0\u1edbi, c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y th\u1ef1c hi\u1ec7n vi\u1ec7c c\u1eaft d\u1ecdc li\u00ean t\u1ee5c, kh\u00f4ng phoi tr\u00ean c\u00e1c cu\u1ed9n kim lo\u1ea1i c\u00e1n ngu\u1ed9i, c\u00e1n n\u00f3ng v\u00e0 h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t ti\u00ean ti\u1ebfn. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng \u0111\u1ed9ng nghi\u00eam tr\u1ecdng, c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y t\u00edch h\u1ee3p ho\u00e0n h\u1ea3o v\u00e0o c\u00e1c m\u00f4i tr\u01b0\u1eddng gia c\u00f4ng kim lo\u1ea1i \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u1ea5t th\u1ebf gi\u1edbi.<\/p>\r\n<h3>1.1 Ma tr\u1eadn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\r\n<table width=\"878\">\r\n<tbody>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>L\u1edbp tham s\u1ed1<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p><strong>Chi ti\u1ebft th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>M\u00e1y m\u00f3c t\u01b0\u01a1ng th\u00edch<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>\u0110\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh ch\u00ednh x\u00e1c cao to\u00e0n c\u1ea7u v\u00e0 m\u00e1y c\u1eaft c\u1ea1nh, bao g\u1ed3m... <strong>FIMI, SMS Group, Danieli, Andritz, Stamco v\u00e0 Herr-Voss Stamco<\/strong>. Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 tuy\u1ec7t \u0111\u1ed1i c\u00e1c h\u1ec7 th\u1ed1ng tr\u1ee5c ch\u00ednh c\u1ee9ng v\u1eefng, \u0111\u00f2i h\u1ecfi \u0111\u1ed9 c\u00e2n b\u1eb1ng \u0111\u1ed9ng cao v\u00e0 \u0111\u1ed9 r\u01a1 d\u1ecdc tr\u1ee5c b\u1eb1ng kh\u00f4ng.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>C\u00e1c t\u00f9y ch\u1ecdn c\u01a1 s\u1edf v\u1eadt li\u1ec7u<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>Th\u00e9p H13 ti\u00eau chu\u1ea9n (4Cr5MoSiV1); Th\u00e9p H13 c\u1ea3i ti\u1ebfn Cr-Mo-W; Th\u00e9p H13 c\u1ea3i ti\u1ebfn Cr-Mo-Ni; Th\u00e9p H13 c\u1ea3i ti\u1ebfn Cr-Mo-V-Mo; Th\u00e9p H13 c\u1ea3i ti\u1ebfn h\u1ed7n h\u1ee3p W+Ni; Th\u00e9p H13 c\u1ea3i ti\u1ebfn h\u1ed7n h\u1ee3p Mo+W; Th\u00e9p gia c\u00f4ng ngu\u1ed9i DC53\/LD h\u00e0m l\u01b0\u1ee3ng Vanadi cao; Th\u00e9p n\u1ec1n (Caldie \/ Viking); Th\u00e9p t\u1ed1c \u0111\u1ed9 cao luy\u1ec7n kim b\u1ed9t hi\u1ec7u su\u1ea5t cao (ASP 23 \/ CPM M4 \/ Vanadis 4 Extra).<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>Ph\u1ed5 \u0111\u1ed9 c\u1ee9ng<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>* <strong>H13 ti\u00eau chu\u1ea9n\/\u0111\u00e3 s\u1eeda \u0111\u1ed5i:<\/strong> HRC 54\u201357 (T\u1ea5m d\u00e0y v\u1eeba) \/ HRC 57\u201360 (\u0110\u01b0\u1eddng m\u1ecfng\/T\u1ea7n s\u1ed1 cao)<\/p>\r\n<p>* <strong>DC53\/LD:<\/strong> HRC 60\u201362<\/p>\r\n<p>* <strong>Th\u00e9p ma tr\u1eadn:<\/strong> HRC 59\u201361<\/p>\r\n<p>* <strong>Th\u00e9p luy\u1ec7n kim b\u1ed9t (ASP 23):<\/strong> HRC 62\u201364.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>Dung sai k\u00edch th\u01b0\u1edbc<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>* <strong>Dung sai \u0111\u1ed9 d\u00e0y:<\/strong> \u00b10,002 mm \u0111\u1ebfn \u00b10,005 mm (\u0110\u01b0\u1eddng k\u1ebb \u0111\u1ed9 ch\u00ednh x\u00e1c cao; kh\u00e1c v\u1edbi b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt th\u01b0\u01a1ng m\u1ea1i ti\u00eau chu\u1ea9n \u00b10,01 mm \u2014 xem M\u1ee5c 4.3 \u0111\u1ec3 ph\u00e2n t\u00edch chi ti\u1ebft)<\/p>\r\n<p>* <strong>\u0110\u1ed9 ph\u1eb3ng v\u00e0 t\u00ednh song song:<\/strong> &lt;0,003 mm \u0111\u1ebfn 0,005 mm<\/p>\r\n<p>* <strong>\u0110\u1ed9 l\u1ec7ch tr\u1ee5c:<\/strong> \u22640,005 mm (ng\u0103n ng\u1eeba s\u1ef1 dao \u0111\u1ed9ng khe h\u1edf \u0111\u1ecbnh k\u1ef3 v\u00e0 c\u00e1c g\u1edd s\u1eafc nh\u1ecdn)<\/p>\r\n<p>* <strong>C\u00e1c m\u1ee9c dung sai kh\u00f4ng \u0111\u01b0\u1ee3c ghi nh\u1eadn:<\/strong> Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ISO 2768-mK.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>\u0110\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>* <strong>C\u00e1c c\u1ea1nh c\u1eaft v\u00e0 m\u1eb7t b\u00ean:<\/strong> \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra &lt;0,2\u03bcm \u0111\u1ebfn 0,4\u03bcm nh\u1edd qu\u00e1 tr\u00ecnh m\u00e0i si\u00eau ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1nh b\u00f3ng g\u01b0\u01a1ng. .<\/p>\r\n<p>* <strong>C\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng d\u00f9ng \u0111\u1ec3 l\u00e0m vi\u1ec7c:<\/strong> Ra &lt;1,6\u03bcm.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"198\">\r\n<p><strong>M\u1ee5c ti\u00eau c\u1eaft x\u1ebb<\/strong><\/p>\r\n<\/td>\r\n<td width=\"680\">\r\n<p>Th\u00e9p cu\u1ed9n c\u00e1n ngu\u1ed9i h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p, th\u00e9p t\u1ea5m c\u00e1n n\u00f3ng \u0111\u00e3 t\u1ea9y g\u1ec9, th\u00e9p t\u1ea5m silic \u0111i\u1ec7n, d\u1ea3i h\u1ee3p kim \u0111\u1ed3ng\/nh\u00f4m, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p si\u00eau b\u1ec1n (UHSS, gi\u1edbi h\u1ea1n ch\u1ea3y \u2265900 MPa, gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o l\u00ean \u0111\u1ebfn \u22651200 MPa, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p d\u1eadp n\u00f3ng d\u00f9ng trong \u00f4 t\u00f4, th\u00e9p mactenxit v\u00e0 DP1180).<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>T\u1ed5ng quan k\u1ef9 thu\u1eadt v\u1ec1 l\u01b0\u1ee1i dao c\u1eaft cu\u1ed9n<\/h2>\r\n<h3>2.1 C\u01a1 ch\u1ebf c\u1ee7a \u201cN\u00e9n ch\u1ecbu l\u1ef1c c\u1eaft\u201d<\/h3>\r\n<p>C\u1eaft r\u00e3nh quay kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u00e1ch \u0111\u01a1n gi\u1ea3n; \u0111\u00f3 l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u201cn\u00e9n m\u1ea1nh v\u00e0 ph\u1ee9c t\u1ea1p\u201d li\u00ean t\u1ee5c. Khi cu\u1ed9n kim lo\u1ea1i \u0111i qua c\u00e1c l\u01b0\u1ee1i quay tr\u00ean v\u00e0 d\u01b0\u1edbi ch\u1ed3ng l\u00ean nhau, v\u1eadt li\u1ec7u tr\u1ea3i qua ba giai \u0111o\u1ea1n bi\u1ebfn d\u1ea1ng ri\u00eang bi\u1ec7t:<\/p>\r\n<ol>\r\n<li><strong>Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i:<\/strong> \u0110i\u1ec3m ti\u1ebfp x\u00fac ban \u0111\u1ea7u l\u00e0 khi c\u1ea1nh dao t\u1ea1o v\u1ebft l\u00f5m tr\u00ean b\u1ec1 m\u1eb7t d\u1ea3i kim lo\u1ea1i.<\/li>\r\n<li><strong>K\u00e9o c\u1eaft nh\u1ef1a:<\/strong> L\u01b0\u1ee1i dao xuy\u00ean s\u00e2u h\u01a1n, \u0111\u1ea9y v\u1eadt li\u1ec7u v\u01b0\u1ee3t qua \u0111i\u1ec3m ch\u1ea3y d\u1ebbo d\u1ecdc theo m\u1ed9t m\u1eb7t ph\u1eb3ng c\u1eaft c\u1ee5c b\u1ed9.<\/li>\r\n<li><strong>Kh\u1edfi ph\u00e1t v\u00f9ng \u0111\u1ee9t g\u00e3y:<\/strong> C\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf lan truy\u1ec1n t\u1eeb c\u1ea3 \u0111\u1ea7u dao tr\u00ean v\u00e0 d\u01b0\u1edbi cho \u0111\u1ebfn khi ch\u00fang g\u1eb7p nhau, t\u00e1ch v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch g\u1ecdn g\u00e0ng m\u00e0 kh\u00f4ng t\u1ea1o ra ph\u00f4i v\u1ee5n.<\/li>\r\n<\/ol>\r\n<p>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh t\u1ed1c \u0111\u1ed9 cao, d\u1ee5ng c\u1ee5 ph\u1ea3i ch\u1ecbu nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc tu\u1ea7n ho\u00e0n m\u1ea1nh m\u1ebd k\u1ebft h\u1ee3p v\u1edbi ma s\u00e1t d\u1eef d\u1ed9i d\u1ecdc theo c\u00e1c c\u1ea1nh l\u01b0\u1ee1i dao. Ma s\u00e1t c\u1ee5c b\u1ed9 n\u00e0y t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 t\u1ee9c th\u1eddi c\u1ef1c cao. N\u1ebfu v\u1eadt li\u1ec7u l\u01b0\u1ee1i dao thi\u1ebfu \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t ho\u1eb7c \u0111\u1ed9 c\u1ee9ng khi n\u00f3ng c\u1ea7n thi\u1ebft, c\u1ea1nh c\u1eaft s\u1ebd nhanh ch\u00f3ng b\u1ecb t\u00f4i luy\u1ec7n c\u1ee5c b\u1ed9, d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng d\u1ebbo, m\u00e0i m\u00f2n nhanh v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 s\u1ee9t m\u1ebb vi m\u00f4.<\/p>\r\n<p>L\u1ef1c c\u1eaft c\u1ef1c \u0111\u1ea1i tr\u00ean m\u1ed7i c\u1eb7p dao \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh th\u1ef1c nghi\u1ec7m sau:<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7790 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Maxtor-Metal-Circular-Slitter-Knife-Maximum-Cutting-Force-Formula.jpg\" alt=\"C\u00f4ng th\u1ee9c t\u00ednh l\u1ef1c c\u1eaft t\u1ed1i \u0111a: F_max = 0,7 * \u0111\u1ed9 b\u1ec1n k\u00e9o (sigma_b) * \u0111\u1ed9 d\u00e0y (t) * c\u0103n b\u1eadc hai c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh l\u01b0\u1ee1i c\u1eaft chia cho hai l\u1ea7n h\u1ec7 s\u1ed1 ti\u1ebfp x\u00fac c\u1eaft (Delta).\" width=\"365\" height=\"119\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Maxtor-Metal-Circular-Slitter-Knife-Maximum-Cutting-Force-Formula.jpg 365w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Maxtor-Metal-Circular-Slitter-Knife-Maximum-Cutting-Force-Formula-300x98.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Maxtor-Metal-Circular-Slitter-Knife-Maximum-Cutting-Force-Formula-18x6.jpg 18w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><\/p>\r\n<p>\u1ede \u0111\u00e2u:<\/p>\r\n<ul>\r\n<li>Fmax l\u00e0 l\u1ef1c c\u1eaft c\u1ef1c \u0111\u1ea1i tr\u00ean m\u1ed7i c\u1eb7p dao.<\/li>\r\n<li>\u03c3b l\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a c\u1ee7a v\u1eadt li\u1ec7u d\u1ea1ng d\u1ea3i.<\/li>\r\n<li>t l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a d\u1ea3i.<\/li>\r\n<li>d l\u00e0 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a l\u01b0\u1ee1i dao.<\/li>\r\n<li>\u0394 l\u00e0 t\u1ed5ng \u0111\u1ed9 s\u00e2u c\u1eaft (\u0111\u1ed9 s\u00e2u xuy\u00ean th\u1ea5u).<\/li>\r\n<\/ul>\r\n<h3>2.2 Ch\u1ea9n \u0111o\u00e1n m\u00e0i m\u00f2n vi c\u1ea5u tr\u00fac<\/h3>\r\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1ee5ng c\u1ee5, c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a l\u01b0\u1ee1i dao ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i ba c\u01a1 ch\u1ebf m\u00e0i m\u00f2n ch\u00ednh:<\/p>\r\n<ul>\r\n<li><strong>M\u00e0i m\u00f2n do b\u00e1m d\u00ednh (r\u00e8):<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ch\u1ee7 y\u1ebfu x\u1ea3y ra khi x\u1ebb c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m ho\u1eb7c c\u00f3 \u0111\u1ed9 d\u1ebbo cao nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c nh\u00f4m. \u00c1p su\u1ea5t cao g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n vi m\u00f4 c\u1ee5c b\u1ed9 gi\u1eefa d\u1ea3i v\u1eadt li\u1ec7u v\u00e0 c\u1ea1nh l\u01b0\u1ee1i dao, l\u00e0m bong tr\u00f3c c\u00e1c h\u1ea1t nh\u1ecf c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n l\u01b0\u1ee1i dao trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/li>\r\n<li><strong>M\u00e0i m\u00f2n do ma s\u00e1t:<\/strong> Nguy\u00ean nh\u00e2n l\u00e0 do c\u00e1c vi c\u1ea5u tr\u00fac c\u1ee9ng (nh\u01b0 oxit s\u1eaft tr\u00ean c\u00e1c d\u1ea3i th\u00e9p c\u00e1n n\u00f3ng \u0111\u00e3 t\u1ea9y g\u1ec9 ho\u1eb7c c\u1ea5u tr\u00fac cacbua silic c\u00f3 \u0111\u1ed9 m\u00e0i m\u00f2n cao trong th\u00e9p \u0111i\u1ec7n) c\u00e0y x\u1edbi v\u00e0o ma tr\u1eadn th\u00e9p d\u1ee5ng c\u1ee5. Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a c\u00e1c cacbua h\u1ee3p kim s\u01a1 c\u1ea5p (M).<sub>6<\/sub>C, MC, M<sub>23<\/sub>C<sub>6<\/sub>).<\/li>\r\n<li><strong>M\u1ec7t m\u1ecfi do nhi\u1ec7t (N\u1ee9t do nhi\u1ec7t):<\/strong> Chu k\u1ef3 nhi\u1ec7t li\u00ean t\u1ee5c gi\u1eefa nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ee9c th\u1eddi t\u1ea1o ra \u1ee9ng su\u1ea5t k\u00e9o v\u00e0 n\u00e9n tu\u1ea7n ho\u00e0n t\u1ea1i m\u00e9p c\u1eaft, d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e1c m\u1ea1ng l\u01b0\u1edbi v\u1ebft n\u1ee9t nhi\u1ec7t vu\u00f4ng g\u00f3c \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4.<\/li>\r\n<\/ul>\r\n<h2>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a l\u01b0\u1ee1i dao c\u1eaft cu\u1ed9n<\/h2>\r\n<h3>3.1 Quy tr\u00ecnh gia c\u00f4ng th\u00e9p si\u00eau c\u1ee9ng UHSS trong ng\u00e0nh \u00f4 t\u00f4 (D\u00e2y chuy\u1ec1n DP980 \/ DP1180)<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> D\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh ch\u00ednh x\u00e1c, ch\u1ecbu t\u1ea3i n\u1eb7ng, \u0111\u1ed9 c\u1ee9ng cao, trang b\u1ecb tr\u1ee5c kh\u00f3a ch\u1ed1ng l\u1ec7ch ch\u1ee7 \u0111\u1ed9ng.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> Th\u00e9p hai pha (DP), th\u00e9p boron d\u1eadp n\u00f3ng d\u00f9ng trong \u00f4 t\u00f4 v\u00e0 th\u00e9p mactenxit c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u1ea3y t\u1eeb 900 MPa \u0111\u1ebfn 1100 MPa.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> Th\u00e9p gia c\u00f4ng ngu\u1ed9i bi\u1ebfn t\u00ednh h\u00e0m l\u01b0\u1ee3ng vanadi cao (DC53 \/ LD).<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Khe h\u1edf b\u00ean tr\u1ee5c ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp nh\u01b0 sau: <strong>T\u1eeb 14% \u0111\u1ebfn 18% l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m.<\/strong>. Vi\u1ec7c thi\u1ebft l\u1eadp khe h\u1edf ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1eb7t ph\u1eb3ng c\u1eaft ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru, g\u00e2y ra s\u1ef1 t\u0103ng \u0111\u1ed9t bi\u1ebfn theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1ec1 l\u1ef1c c\u1eaft, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn g\u00e3y l\u01b0\u1ee1i dao nghi\u00eam tr\u1ecdng.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> T\u1ed1c \u0111\u1ed9 c\u1eaft t\u1ed1i \u0111a n\u00ean \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh trong kho\u1ea3ng 80 m\/ph\u00fat \u0111\u1ebfn 120 m\/ph\u00fat \u0111\u1ec3 ki\u1ec3m so\u00e1t va ch\u1ea1m c\u01a1 h\u1ecdc v\u00e0 t\u1ea3i nhi\u1ec7t l\u00ean c\u00e1c ranh gi\u1edbi h\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ebf.<\/li>\r\n<\/ul>\r\n<h3>3.2 C\u1eaft th\u00e9p silic \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> D\u00e2y chuy\u1ec1n m\u00e1y c\u1eaft v\u00f2ng l\u1eb7p si\u00eau ch\u00ednh x\u00e1c, gi\u1ea3m rung, ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 cao.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> T\u1ea5m th\u00e9p silic \u0111i\u1ec7n kh\u00f4ng \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng h\u1ea1t (\u0111\u1ed9 d\u00e0y t\u1eeb 0,20 mm \u0111\u1ebfn 0,50 mm) c\u00f3 h\u00e0m l\u01b0\u1ee3ng silic m\u00e0i m\u00f2n cao.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> V\u1eadt li\u1ec7u composite Mo+W c\u1ea3i ti\u1ebfn H13 ho\u1eb7c th\u00e9p t\u1ed1c \u0111\u1ed9 cao luy\u1ec7n kim b\u1ed9t hi\u1ec7u n\u0103ng cao (ASP 23).<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Khe h\u1edf b\u00ean tr\u1ee5c \u0111\u01b0\u1ee3c kh\u00f3a ch\u1eb7t \u1edf m\u1ee9c <strong>\u0110\u1ed9 d\u00e0y d\u1ea3i t\u1eeb 8% \u0111\u1ebfn 10%<\/strong>; s\u1ef1 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c trong ph\u1ea1m vi <strong>T\u1eeb 2 mm \u0111\u1ebfn 0,4 mm<\/strong>.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> T\u1ed1c \u0111\u1ed9 c\u1eaft l\u00ean \u0111\u1ebfn 300 m\/ph\u00fat \u0111\u1ebfn 400 m\/ph\u00fat. B\u1ec1 m\u1eb7t ph\u1ea3i \u0111\u1ea1t \u0111\u1ed9 nh\u00e1m Ra &lt;0,2\u03bcm v\u1edbi \u0111\u1ed9 b\u00f3ng nh\u01b0 g\u01b0\u01a1ng \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u00e0i m\u00f2n vi m\u00f4 v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u00e1t sinh b\u1ee5i s\u1eaft th\u1ee9 c\u1ea5p.<\/li>\r\n<\/ul>\r\n<h3>3.3 Quy tr\u00ecnh x\u1eed l\u00fd cu\u1ed9n th\u00e9p c\u00e1n n\u00f3ng d\u00e0y \u0111\u00e3 t\u1ea9y g\u1ec9<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> D\u00e2y chuy\u1ec1n m\u00e1y x\u1ebb r\u00e3nh c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng v\u00e0 m\u00e1y c\u1eaft c\u1ea1nh.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> Th\u00e9p t\u1ea5m c\u00e1n n\u00f3ng \u0111\u00e3 t\u1ea9y g\u1ec9, th\u00e9p cacbon v\u00e0 th\u00e9p k\u1ebft c\u1ea5u h\u1ee3p kim th\u1ea5p c\u00f3 \u0111\u1ed9 d\u00e0y \u22653 mm.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> Th\u00e9p H13 ti\u00eau chu\u1ea9n (4Cr5MoSiV1) ho\u1eb7c th\u00e9p H13 c\u1ea3i ti\u1ebfn Cr-Mo-Ni d\u00e0nh cho \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (&gt;400 mm).<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Khe h\u1edf b\u00ean tr\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u00e0nh <strong>\u0110\u1ed9 d\u00e0y t\u1ea5m t\u1eeb 10% \u0111\u1ebfn 12%<\/strong>; t\u1eadp h\u1ee3p ch\u1ed3ng l\u1ea5n xuy\u00ean t\u00e2m gi\u1eefa <strong>6 mm v\u00e0 1,0 mm<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u00e1ch bi\u1ec7t c\u1ea5u tr\u00fac ho\u00e0n to\u00e0n gi\u1eefa c\u00e1c ti\u1ebft di\u1ec7n l\u1edbn.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c d\u1ea3i gia c\u00f4ng t\u1ed1c \u0111\u1ed9 th\u1ea5p, ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh (30 m\/ph\u00fat \u0111\u1ebfn 60 m\/ph\u00fat). D\u1ef1a v\u00e0o \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp cao c\u1ee7a \u0111\u1ebf \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng v\u1ee1 v\u1ee5n l\u1edbn d\u01b0\u1edbi t\u1ea3i tr\u1ecdng cao.<\/li>\r\n<\/ul>\r\n<h3>3.4 C\u1eaft d\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh x\u00e1c (D\u00f2ng 300\/400)<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> D\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u01b0\u1ee3c trang b\u1ecb v\u00f2ng \u0111i\u1ec1u khi\u1ec3n l\u1ef1c c\u0103ng th\u1ee9 c\u1ea5p v\u00e0 d\u1ee5ng c\u1ee5 t\u00e1ch kh\u00f4ng g\u00e2y tr\u1ea7y x\u01b0\u1edbc.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> C\u00e1c d\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9 Austenit (v\u00ed d\u1ee5: SUS304\/316) v\u00e0 Ferrit (v\u00ed d\u1ee5: SUS430) c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1eb7c t\u00ednh b\u00e1m d\u00ednh cao.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> Th\u00e9p H13 bi\u1ebfn t\u00ednh Cr-Mo-Ni ho\u1eb7c th\u00e9p n\u1ec1n (Caldie) k\u1ebft h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u01a1i v\u1eadt l\u00fd ho\u1eb7c c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t.<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Kho\u1ea3ng h\u1edf b\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf <strong>\u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u t\u1eeb 9% \u0111\u1ebfn 11%<\/strong> \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho t\u1ed1c \u0111\u1ed9 h\u00f3a b\u1ec1n cao c\u1ee7a ma tr\u1eadn austenit.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> T\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1eeb 100 m\/ph\u00fat \u0111\u1ebfn 180 m\/ph\u00fat. Vi\u1ec7c s\u1eed d\u1ee5ng DLC ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t ti\u00ean ti\u1ebfn gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n ngu\u1ed9i v\u00e0 t\u00edch t\u1ee5 v\u1eadt li\u1ec7u k\u1ebft d\u00ednh tr\u00ean b\u1ec1 m\u1eb7t l\u01b0\u1ee1i dao.<\/li>\r\n<\/ul>\r\n<h3>3.5 Gia c\u00f4ng l\u00e1 kim lo\u1ea1i m\u00e0u si\u00eau m\u1ecfng (\u0110\u1ed3ng &amp; Nh\u00f4m)<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> M\u00e1y c\u1eaft l\u00e1 kim lo\u1ea1i m\u1ecfng ch\u00ednh x\u00e1c s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 \u0111\u1ec7m si\u00eau nh\u1ecf chuy\u00ean d\u1ee5ng.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> C\u00e1c d\u1ea3i \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n cao, l\u00e1 nh\u00f4m bi\u1ebfn \u00e1p v\u00e0 l\u00e1 thu d\u00f2ng \u0111i\u1ec7n c\u1ea5p pin v\u1edbi \u0111\u1ed9 d\u00e0y si\u00eau m\u1ecfng.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> Th\u00e9p luy\u1ec7n kim b\u1ed9t hi\u1ec7u n\u0103ng cao (ASP 23) nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ea5u tr\u00fac t\u1ed1i \u0111a.<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u1ea1nh c\u1ef1c th\u1ea5p, dao \u0111\u1ed9ng t\u1eeb... <strong>\u0110\u1ed9 d\u00e0y l\u00e1 kim lo\u1ea1i t\u1eeb 6% \u0111\u1ebfn 8%<\/strong>; s\u1ef1 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u1ebfn <strong>T\u1eeb 15 mm \u0111\u1ebfn 0,25 mm<\/strong> \u0110\u1ec3 tr\u00e1nh l\u00e0m g\u1ea5p v\u1ea3i.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> T\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh l\u00ean \u0111\u1ebfn 500 m\/ph\u00fat. Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t c\u1eaft ph\u1ea3i \u0111\u1ea1t \u0111\u1ed9 b\u00f3ng nh\u01b0 g\u01b0\u01a1ng (Ra \u22642\u03bcm) tr\u00ean c\u1ea3 hai m\u1eb7t c\u1eaft \u0111\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng ma s\u00e1t c\u1ee5c b\u1ed9 v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ea1nh.<\/li>\r\n<\/ul>\r\n<h3>3.6 C\u00e1c lo\u1ea1i l\u00f5i th\u00e9p cacbon c\u00e1n ngu\u1ed9i m\u1ecfng th\u00f4ng d\u1ee5ng<\/h3>\r\n<ul>\r\n<li><strong>Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> Thi\u1ebft b\u1ecb x\u1ebb th\u00e9p ti\u00eau chu\u1ea9n d\u00e0nh cho trung t\u00e2m d\u1ecbch v\u1ee5 th\u00e9p th\u01b0\u01a1ng m\u1ea1i.<\/li>\r\n<li><strong>H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u c\u00f4ng vi\u1ec7c:<\/strong> Th\u00e9p cu\u1ed9n cacbon th\u01b0\u01a1ng ph\u1ea9m c\u00e1n ngu\u1ed9i (SPCC, SECC) c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o d\u01b0\u1edbi 450 MPa v\u00e0 \u0111\u1ed9 d\u00e0y t\u1eeb 0,5 mm \u0111\u1ebfn 2,0 mm.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t:<\/strong> H13 ti\u00eau chu\u1ea9n (4Cr5MoSiV1) ho\u1eb7c H13 bi\u1ebfn t\u00ednh Cr-Mo-V-Mo.<\/li>\r\n<li><strong>Kho\u1ea3ng h\u1edf k\u1ef9 thu\u1eadt:<\/strong> Kho\u1ea3ng h\u1edf b\u00ean ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf <strong>10% \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/strong>; s\u1ef1 ch\u1ed3ng l\u1ea5p xuy\u00ean t\u00e2m \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c kh\u00f4ng \u0111\u1ed5i <strong>3 mm \u0111\u1ebfn 0,5 mm<\/strong>.<\/li>\r\n<li><strong>Gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh:<\/strong> T\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh li\u00ean t\u1ee5c, \u1ed5n \u0111\u1ecbnh cao l\u00ean \u0111\u1ebfn 200m\/ph\u00fat, nh\u1ea5n m\u1ea1nh v\u00e0o kho\u1ea3ng th\u1eddi gian b\u1ea3o tr\u00ec k\u00e9o d\u00e0i v\u00e0 quy tr\u00ecnh m\u00e0i l\u1ea1i \u0111\u01a1n gi\u1ea3n.<\/li>\r\n<\/ul>\r\n<h2>4.C\u00e1c s\u1ef1 c\u1ed1 h\u01b0 h\u1ecfng th\u01b0\u1eddng g\u1eb7p &amp; Gi\u1ea3i ph\u00e1p K\u1ef9 thu\u1eadt<\/h2>\r\n<h3>4.1 N\u1ee9t v\u1ee1 c\u1ea5u tr\u00fac nghi\u00eam tr\u1ecdng ho\u1eb7c s\u1ee9t m\u1ebb quy m\u00f4 l\u1edbn<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i th\u00f4ng th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 gi\u00f2n cao (nh\u01b0 D2 ho\u1eb7c SKD11) khi x\u1ebb c\u00e1c t\u1ea5m th\u00e9p d\u00e0y (\u22653mm) ho\u1eb7c th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao d\u01b0\u1edbi t\u1ea3i tr\u1ecdng kh\u00f3a n\u1eb7ng l\u00e0 kh\u00f4ng n\u00ean. C\u00e1c lo\u1ea1i th\u00e9p truy\u1ec1n th\u1ed1ng n\u00e0y thi\u1ebfu \u0111\u1ed9 b\u1ec1n ch\u1ed1ng g\u00e3y c\u1ea7n thi\u1ebft d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u1eaft v\u00e0 n\u00e9n k\u1ebft h\u1ee3p m\u1ea1nh, d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ebft n\u1ee9t xuy\u00ean h\u1ea1t s\u00e2u v\u00e0 nghi\u00eam tr\u1ecdng.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> Chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n \u0111\u1ebf l\u01b0\u1ee1i dao sang v\u1eadt li\u1ec7u H13 ti\u00eau chu\u1ea9n (4Cr5MoSiV1) ho\u1eb7c v\u1eadt li\u1ec7u n\u1ec1n H13 bi\u1ebfn t\u00ednh Cr-Mo-Ni chuy\u00ean d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao l\u00ean \u0111\u1ebfn 1500MPa, h\u00e3y n\u00e2ng c\u1ea5p l\u00ean th\u00e9p n\u1ec1n c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao (Caldie\/Viking). S\u1ef1 thay \u0111\u1ed5i n\u00e0y t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp c\u1ee7a l\u00f5i trong khi v\u1eabn duy tr\u00ec \u0111i\u1ec3m ch\u1ea3y d\u1ebbo cao c\u1ee7a c\u1ea5u tr\u00fac.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> Vi\u1ec7c t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u01a1 b\u1ea3n th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3i gi\u1ea3m th\u1ec3 t\u00edch c\u00e1c cacbua crom ch\u01b0a h\u00f2a tan ban \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t \u0111\u1ed1i c\u1ee7a v\u1eadt li\u1ec7u, \u0111\u00f2i h\u1ecfi ph\u1ea3i m\u00e0i b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean h\u01a1n v\u00e0 c\u00f3 ki\u1ec3m so\u00e1t.<\/li>\r\n<\/ul>\r\n<h3>4.2 Hi\u1ec7n t\u01b0\u1ee3ng m\u1ec1m h\u00f3a nhanh \u1edf r\u00eca v\u00e0 s\u1ee5p \u0111\u1ed5 do nhi\u1ec7t (hi\u1ec7n t\u01b0\u1ee3ng n\u1ea5m m\u1ecdc)<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Ma s\u00e1t li\u00ean t\u1ee5c, t\u1ed1c \u0111\u1ed9 cao d\u1ecdc theo c\u00e1c c\u1ea1nh l\u01b0\u1ee1i dao t\u1ea1o ra nhi\u1ec7t c\u1ee5c b\u1ed9 v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 t\u00f4i ban \u0111\u1ea7u c\u1ee7a v\u1eadt li\u1ec7u. \u0110i\u1ec1u n\u00e0y k\u00edch ho\u1ea1t s\u1ef1 chuy\u1ec3n \u0111\u1ed5i c\u1ea5u tr\u00fac vi m\u00f4 t\u1eeb mactenxit t\u00f4i sang ferit qu\u00e1 nhi\u1ec7t, l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u1ea1nh v\u00e0 khi\u1ebfn h\u00ecnh d\u1ea1ng l\u01b0\u1ee1i dao b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c &quot;h\u00ecnh n\u1ea5m&quot;.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> S\u1eed d\u1ee5ng h\u1ee3p kim H13 bi\u1ebfn t\u00ednh h\u1ed7n h\u1ee3p Cr-Mo-W ho\u1eb7c Mo+W. Vi\u1ec7c b\u1ed5 sung \u0111\u1ed3ng th\u1eddi Vonfram (W) v\u00e0 Molypden (Mo) t\u1ea1o k\u1ebft t\u1ee7a M si\u00eau m\u1ecbn th\u1ee9 c\u1ea5p.<sub>6<\/sub>C\u00e1c cacbua C v\u00e0 MC trong qu\u00e1 tr\u00ecnh gia c\u00f4ng n\u00f3ng. C\u00e1c cacbua n\u00e0y v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao \u1edf nhi\u1ec7t \u0111\u1ed9 cao, mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng n\u00f3ng tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> N\u1ed3ng \u0111\u1ed9 cao c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 ch\u1ecbu nhi\u1ec7t (W, Mo) l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee7a v\u1eadt li\u1ec7u v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y m\u00e0i trong qu\u00e1 tr\u00ecnh m\u00e0i l\u1ea1i, \u0111\u00f2i h\u1ecfi ph\u1ea3i ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd t\u1ed1c \u0111\u1ed9 m\u00e0i v\u00e0 s\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i CBN th\u1ee7y tinh h\u00f3a chuy\u00ean d\u1ee5ng.<\/li>\r\n<\/ul>\r\n<h3>4.3 \u0110\u1ed9 cong, h\u00ecnh d\u1ea1ng ngo\u1eb1n ngo\u00e8o c\u1ee7a d\u1ea3i v\u00e0 chi\u1ec1u r\u1ed9ng khe kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Sai s\u1ed1 \u0111\u1ed9 d\u00e0y t\u00edch l\u0169y qu\u00e1 m\u1ee9c trong c\u1ee5m dao v\u00e0 mi\u1ebfng \u0111\u1ec7m, ho\u1eb7c \u0111\u1ed9 l\u1ec7ch tr\u1ee5c nghi\u00eam tr\u1ecdng (\u22650,005mm) d\u1ecdc theo tr\u1ee5c m\u00e1y x\u1ebb. \u0110i\u1ec1u n\u00e0y khi\u1ebfn khe h\u1edf t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa dao tr\u00ean v\u00e0 dao d\u01b0\u1edbi dao \u0111\u1ed9ng \u0111\u1ed9ng h\u1ecdc trong qu\u00e1 tr\u00ecnh quay, l\u00e0m d\u1ecbch chuy\u1ec3n m\u1eb7t ph\u1eb3ng c\u1eaft v\u00e0 g\u00e2y ra s\u1ef1 l\u1ec7ch h\u01b0\u1edbng ngang c\u1ee7a d\u1ea3i v\u1eadt li\u1ec7u.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> Implement strict micro-metric manufacturing controls to guarantee thickness tolerances within \u00b10.002mm and keep the axial runout under \u22640.005mm. All tooling setups should utilize high-precision ground spacers and be assembled over high-rigidity spindles. For a detailed breakdown of how spacer face parallelism, rubber ring compression, and stack stiffness interact to hold clearance under dynamic load, see <strong><a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/maxtormetal.com\/vi\/precision-slitting-spacers-rubber-rings-blade-life\/\" target=\"_blank\" rel=\"noopener\">B\u1ea1c \u0111\u1ec7m ph\u00e2n cu\u1ed9n ch\u00ednh x\u00e1c &amp; V\u00f2ng cao su: \u0110\u1ed9 c\u1ee9ng v\u1eefng c\u1ee7a tr\u1ee5c dao, ki\u1ec3m so\u00e1t khe h\u1edf v\u00e0 \u0111\u1ed9 \u0111\u1ea3o TIR<\/a><\/strong>.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c dung sai ch\u1eb7t ch\u1ebd n\u00e0y, c\u1ea7n c\u00f3 c\u00e1c ph\u00f2ng m\u00e0i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 quy tr\u00ecnh ki\u1ec3m \u0111\u1ecbnh \u0111o l\u01b0\u1eddng to\u00e0n di\u1ec7n, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng chi ph\u00ed d\u1ee5ng c\u1ee5 ban \u0111\u1ea7u.<\/li>\r\n<li><strong>Ghi ch\u00fa k\u1ef9 thu\u1eadt: S\u1ef1 kh\u00e1c bi\u1ec7t trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng gi\u1eefa dung sai \u0111\u1ed9 d\u00e0y \u00b10,01 mm v\u00e0 \u00b10,002 mm<\/strong>\r\n<p>Trong c\u00e1c b\u1ea3n v\u1ebd c\u01a1 kh\u00ed ti\u00eau chu\u1ea9n, dung sai \u0111\u1ed9 d\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh l\u00e0 \u00b10,01 mm ho\u1eb7c r\u1ed9ng h\u01a1n. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong t\u00e0i li\u1ec7u n\u00e0y, dung sai \u1edf m\u1ee9c micromet t\u1eeb \u00b10,002 mm \u0111\u1ebfn \u00b10,005 mm l\u00e0 b\u1eaft bu\u1ed9c. C\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y bao g\u1ed3m:<\/p>\r\n<ul>\r\n<li><strong>Thi\u1ebft l\u1eadp dao \u0111a n\u0103ng v\u00e0 hi\u1ec7u \u1ee9ng l\u1ed7i t\u00edch l\u0169y<\/strong>Trong c\u00e1c thao t\u00e1c x\u1ebb r\u00e3nh c\u01a1 b\u1ea3n, ch\u1ec9 th\u1ef1c hi\u1ec7n t\u1eeb 2 \u0111\u1ebfn 5 nh\u00e1t c\u1eaft tr\u00ean m\u1ed7i tr\u1ee5c, dung sai c\u1ee7a dao \u0111\u01a1n l\u00e0 \u00b10,01 mm d\u1eabn \u0111\u1ebfn t\u1ed5ng sai s\u1ed1 t\u00edch l\u0169y kh\u00f4ng \u0111\u00e1ng k\u1ec3. Tuy nhi\u00ean, trong c\u00e1c d\u00e2y chuy\u1ec1n ch\u00ednh x\u00e1c nhi\u1ec1u dao c\u00f4ng su\u1ea5t cao (v\u00ed d\u1ee5: th\u00e9p silic \u0111i\u1ec7n ho\u1eb7c m\u00e0ng \u0111i\u1ec7n t\u1eed si\u00eau m\u1ecfng) y\u00eau c\u1ea7u t\u1eeb 20 \u0111\u1ebfn 50 nh\u00e1t c\u1eaft \u0111\u1ed3ng th\u1eddi, dung sai \u00b10,01 mm s\u1ebd d\u1eabn \u0111\u1ebfn \u0111\u1ed9 l\u1ec7ch tr\u1ee5c t\u00edch l\u0169y l\u1edbn t\u1eeb \u00b10,2 mm \u0111\u1ebfn \u00b10,5 mm. \u0110i\u1ec1u n\u00e0y l\u00e0m l\u1ec7ch nghi\u00eam tr\u1ecdng c\u00e1c dao ph\u00eda sau so v\u1edbi \u0111\u01b0\u1eddng t\u00e2m tr\u1ee5c, khi\u1ebfn vi\u1ec7c thi\u1ebft l\u1eadp si\u00eau ch\u00ednh x\u00e1c tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi.<\/li>\r\n<li><strong>\u0110\u1ed9ng l\u1ef1c thi\u1ebft l\u1eadp d\u1ee5ng c\u1ee5: Ch\u00e8n mi\u1ebfng \u0111\u1ec7m th\u1ee7 c\u00f4ng so v\u1edbi l\u1eafp r\u00e1p m\u00f9 t\u1ef1 \u0111\u1ed9ng:<\/strong> C\u00e1c d\u00e2y chuy\u1ec1n c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng s\u1eed d\u1ee5ng dao c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b10,01 mm ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o k\u1ef9 thu\u1eadt vi\u00ean l\u00e0nh ngh\u1ec1 \u0111\u1ec3 \u0111o v\u00e0 b\u00f9 khe h\u1edf b\u1eb1ng tay b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c mi\u1ebfng \u0111\u1ec7m \u0111\u1ed3ng si\u00eau m\u1ecfng (th\u01b0\u1eddng d\u00e0y t\u1eeb 0,01 mm \u0111\u1ebfn 0,05 mm) trong qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh t\u1ef1 \u0111\u1ed9ng h\u00f3a cao, \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf (nh\u01b0 c\u1ee7a FIMI, SMS Group ho\u1eb7c Danieli) y\u00eau c\u1ea7u &quot;l\u1eafp r\u00e1p m\u00f9&quot; - trong \u0111\u00f3 dao v\u00e0 c\u00e1c mi\u1ebfng \u0111\u1ec7m ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng tu\u1ea7n t\u1ef1 l\u00ean tr\u1ee5c ch\u00ednh v\u00e0 kh\u00f3a c\u01a1 h\u1ecdc d\u1ef1a tr\u00ean d\u1eef li\u1ec7u t\u00ednh to\u00e1n thu\u1ea7n t\u00fay, kh\u00f4ng cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng tay. M\u00f4 h\u00ecnh v\u1eadn h\u00e0nh n\u00e0y \u0111\u00f2i h\u1ecfi dung sai s\u1ea3n xu\u1ea5t nghi\u00eam ng\u1eb7t \u00b10,002 mm.<\/li>\r\n<li><strong>\u0110\u1ed9 nh\u1ea1y khe h\u1edf c\u1ee5 th\u1ec3 c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o: <\/strong>Khe h\u1edf b\u00ean t\u1ed1i \u01b0u th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u1edf m\u1ee9c t\u1eeb 8% \u0111\u1ebfn 12% \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea5m d\u00e0y (\u22653 mm), khe h\u1edf danh ngh\u0129a tr\u1ea3i r\u1ed9ng h\u00e0ng tr\u0103m micromet, khi\u1ebfn cho s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y dao \u00b10,01 mm tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea. Tuy nhi\u00ean, khi x\u1ebb c\u00e1c l\u00e1 kim lo\u1ea1i si\u00eau m\u1ecfng ho\u1eb7c th\u00e9p \u0111i\u1ec7n (\u22640,1 mm), khe h\u1edf b\u00ean l\u00fd t\u01b0\u1edfng gi\u1ea3m xu\u1ed1ng c\u00f2n kho\u1ea3ng 0,01 mm. Trong nh\u1eefng gi\u1edbi h\u1ea1n c\u1ef1c \u0111oan n\u00e0y, dung sai dao \u00b10,01 mm s\u1ebd ho\u1eb7c l\u00e0m gi\u1ea3m khe h\u1edf xu\u1ed1ng b\u1eb1ng kh\u00f4ng (g\u00e2y ra va ch\u1ea1m l\u01b0\u1ee1i dao ngay l\u1eadp t\u1ee9c v\u00e0 s\u1ee9t m\u1ebb c\u1ea1nh) ho\u1eb7c l\u00e0m t\u0103ng g\u1ea5p \u0111\u00f4i khe h\u1edf (g\u00e2y ra c\u00e1c g\u1edd d\u1ecdc nghi\u00eam tr\u1ecdng v\u00e0 bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u).<\/li>\r\n<li><strong> T\u00ednh kh\u1ea3 thi s\u1ea3n xu\u1ea5t v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu v\u00f2ng \u0111\u1eddi t\u00e0i s\u1ea3n (TCO): <\/strong>Vi\u1ec7c s\u1ea3n xu\u1ea5t m\u1ed9t con dao v\u1edbi dung sai \u00b10,01 mm ch\u1ec9 c\u1ea7n m\u00e0i b\u1ec1 m\u1eb7t ch\u00ednh x\u00e1c ti\u00eau chu\u1ea9n. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c dung sai \u00b10,002 mm \u0111\u00e1ng tin c\u1eady, c\u1ea7n c\u00f3 c\u00e1c c\u01a1 s\u1edf m\u00e0i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t kh\u00ed h\u1eadu (\u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 thay \u0111\u1ed5i do gi\u00e3n n\u1edf nhi\u1ec7t), x\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh s\u00e2u (\u0111\u1ec3 \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac vi m\u00f4 ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng do \u1ee9ng su\u1ea5t d\u01b0) v\u00e0 m\u00e0i b\u00f3ng g\u01b0\u01a1ng tu\u1ea7n t\u1ef1. M\u1eb7c d\u00f9 d\u1ee5ng c\u1ee5 si\u00eau ch\u00ednh x\u00e1c \u0111\u00f2i h\u1ecfi chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cao h\u01a1n, nh\u01b0ng n\u00f3 lo\u1ea1i b\u1ecf th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng do \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng, b\u1ea3o v\u1ec7 c\u00e1c \u1ed5 tr\u1ee5c \u0111\u1eaft ti\u1ec1n kh\u1ecfi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng tr\u1ee5c \u0111\u1ed9ng v\u00e0 mang l\u1ea1i T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO) th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t n\u0103ng su\u1ea5t cao. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m \u0111ang v\u1eadn h\u00e0nh ho\u1eb7c ki\u1ec3m to\u00e1n m\u1ed9t b\u1ed9 dao m\u1edbi, <strong><a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/maxtormetal.com\/vi\/oem-slitter-knife-blueprint-spindle-fit-audit-checklist\/\" target=\"_blank\" rel=\"noopener\"><em>Danh s\u00e1ch ki\u1ec3m tra l\u1eafp r\u00e1p tr\u1ee5c dao x\u1ebb r\u00e3nh OEM<\/em><\/a><\/strong> Cung c\u1ea5p quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 x\u00e1c minh \u0111\u1ed9 kh\u00edt l\u1ed7 ISO, c\u1ed5ng TIR v\u00e0 \u0111\u1ed9 song song c\u1ee7a mi\u1ebfng \u0111\u1ec7m tr\u01b0\u1edbc khi d\u1ee5ng c\u1ee5 ti\u1ebfp x\u00fac v\u1edbi cu\u1ed9n d\u00e2y.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h3>4.4 Hi\u1ec7n t\u01b0\u1ee3ng h\u00ecnh th\u00e0nh g\u1edd th\u1ee9 c\u1ea5p qu\u00e1 m\u1ee9c tr\u00ean c\u00e1c c\u1ea1nh d\u1ea3i<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Khe h\u1edf ngang gi\u1eefa l\u01b0\u1ee1i dao tr\u00ean v\u00e0 d\u01b0\u1edbi \u0111\u00e3 gi\u00e3n r\u1ed9ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u t\u1ed1i \u01b0u, ho\u1eb7c c\u00e1c c\u1ea1nh l\u01b0\u1ee1i dao \u0111\u00e3 b\u1ecb s\u1ee9t m\u1ebb nh\u1ecf. \u0110i\u1ec1u n\u00e0y bu\u1ed9c v\u1eadt li\u1ec7u ph\u1ea3i ch\u1ecbu hi\u1ec7n t\u01b0\u1ee3ng r\u00e1ch v\u00e0 \u0111\u1ee9t do k\u00e9o c\u0103ng thay v\u00ec c\u1eaft g\u1ecdn, \u0111\u1ec3 l\u1ea1i c\u00e1c g\u1edd d\u00e0y, th\u1eb3ng \u0111\u1ee9ng d\u1ecdc theo c\u1ea1nh d\u01b0\u1edbi c\u1ee7a d\u1ea3i v\u1eadt li\u1ec7u.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> \u0110i\u1ec1u ch\u1ec9nh khe h\u1edf ngang cho ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau ch\u00ed v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: 8%\u201312% cho th\u00e9p cacbon m\u1ec1m, 14%\u201318% cho th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao). N\u1ebfu g\u1edd s\u1eafc do m\u00e0i m\u00f2n vi m\u00f4 \u1edf c\u1ea1nh l\u01b0\u1ee1i dao g\u00e2y ra, h\u00e3y n\u00e2ng c\u1ea5p l\u00ean th\u00e9p luy\u1ec7n kim b\u1ed9t phun s\u01b0\u01a1ng (ASP 23) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac cacbua \u0111\u1ed3ng nh\u1ea5t cao \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> Vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c bi\u00ean d\u1ea1ng khe h\u1edf h\u1eb9p h\u01a1n \u0111\u00f2i h\u1ecfi \u0111\u1ed9 c\u1ee9ng v\u1eefng c\u1ee7a m\u00e1y m\u00f3c v\u00e0 s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh, v\u00ec b\u1ea5t k\u1ef3 s\u1ef1 l\u1ec7ch h\u01b0\u1edbng n\u00e0o c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c l\u01b0\u1ee1i dao c\u1ecd x\u00e1t v\u00e0o nhau, l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5.<\/li>\r\n<\/ul>\r\n<h3>4.5 S\u1ef1 lan truy\u1ec1n v\u1ebft n\u1ee9t si\u00eau nh\u1ecf do m\u00e0i m\u00f2n c\u1ea1nh (n\u1ee9t do nhi\u1ec7t)<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> S\u1ef1 thay \u0111\u1ed5i li\u00ean t\u1ee5c do s\u1ed1c nhi\u1ec7t, trong \u0111\u00f3 l\u01b0\u1ee1i dao n\u00f3ng l\u00ean nhanh ch\u00f3ng trong qu\u00e1 tr\u00ecnh c\u1eaft v\u00e0 ngu\u1ed9i \u0111i b\u00ean ngo\u00e0i qu\u00e1 tr\u00ecnh c\u1eaft, t\u1ea1o ra \u1ee9ng su\u1ea5t nhi\u1ec7t tu\u1ea7n ho\u00e0n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf vu\u00f4ng g\u00f3c v\u1edbi c\u1ea1nh c\u1eaft, v\u00e0 theo th\u1eddi gian, c\u00e1c v\u1ebft n\u1ee9t n\u00e0y c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00e1c m\u1ea3nh v\u1ee5n l\u1edbn.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> S\u1eed d\u1ee5ng th\u00e9p H13 bi\u1ebfn t\u00ednh Cr-Mo-V-Mo v\u1edbi h\u00e0m l\u01b0\u1ee3ng Molypden cao \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi t\u00f4i luy\u1ec7n v\u00e0 tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t. Ngo\u00e0i ra, t\u00edch h\u1ee3p x\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh s\u00e2u \u0111\u1ebfn -196\u2103 sau khi t\u00f4i \u0111\u1ec3 gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t vi m\u00f4 d\u01b0 v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng l\u00e0m gi\u1ea3m nh\u1eb9 \u0111\u1ed9 c\u1ee9ng t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a d\u1ee5ng c\u1ee5 khi c\u1eaft c\u00e1c b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1ed9 m\u00e0i m\u00f2n cao.<\/li>\r\n<\/ul>\r\n<h3>4.6 Hi\u1ec7n t\u01b0\u1ee3ng m\u00e0i m\u00f2n c\u1ea1nh v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t v\u1eadt li\u1ec7u khi x\u1ebb nh\u00f4m\/th\u00e9p kh\u00f4ng g\u1ec9<\/h3>\r\n<ul>\r\n<li><strong>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng m\u00e0i m\u00f2n do ma s\u00e1t nghi\u00eam tr\u1ecdng khi\u1ebfn c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m, d\u1ebbo b\u1ecb h\u00e0n d\u00ednh ngu\u1ed9i v\u00e0o ma tr\u1eadn th\u00e9p carbon kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u1ee7a c\u1ea1nh dao. Khi d\u1ea3i v\u1eadt li\u1ec7u di chuy\u1ec3n qua, c\u00e1c m\u1ea3nh v\u1ee5n b\u00e1m d\u00ednh n\u00e0y s\u1ebd bong ra, k\u00e9o theo nh\u1eefng m\u1ea9u nh\u1ecf c\u1ee7a ma tr\u1eadn th\u00e9p d\u1ee5ng c\u1ee5 v\u00e0 l\u00e0m x\u01b0\u1edbc s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c c\u1eaft.<\/li>\r\n<li><strong>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<\/strong> Ph\u1ee7 m\u1ed9t l\u1edbp m\u00e0ng carbon gi\u1ed1ng kim c\u01b0\u01a1ng (DLC) si\u00eau m\u1ecbn ho\u1eb7c m\u1ed9t l\u1edbp crom nitrua m\u1ecfng l\u00ean c\u00e1c m\u1eb7t b\u00ean c\u1ee7a l\u01b0\u1ee1i dao. \u0110\u1ea3m b\u1ea3o c\u1ea1nh c\u1eaft v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng nh\u01b0 g\u01b0\u01a1ng v\u1edbi \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra &lt;0,2\u03bcm \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c \u0111i\u1ec3m k\u1eb9t c\u01a1 h\u1ecdc.<\/li>\r\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i trong k\u1ef9 thu\u1eadt:<\/strong> C\u00e1c l\u1edbp ph\u1ee7 m\u1ecfng, c\u1ee9ng nh\u01b0 DLC d\u1ec5 b\u1ecb bong tr\u00f3c n\u1ebfu ma tr\u1eadn th\u00e9p b\u00ean d\u01b0\u1edbi b\u1ecb bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng m\u1ea1nh, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c v\u1eadt li\u1ec7u n\u1ec1n c\u00f3 \u0111\u1ed9 c\u1ee9ng cao.<\/li>\r\n<\/ul>\r\n<h2>5.H\u01b0\u1edbng d\u1eabn K\u1ef9 thu\u1eadt V\u1eadt li\u1ec7u<\/h2>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7793 size-full aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u dao c\u1eaft xoay Maxtor Metal \u2014 thang \u0111o \u0111\u1ed9 b\u1ec1n \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n: Ti\u00eau chu\u1ea9n H13 (t\u1ea5m d\u00e0y, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp cao) \u2192 Th\u00e9p Matrix (va \u0111\u1eadp cao) \u2192 DC53 (\u1ee9ng d\u1ee5ng UHSS) \u2192 Th\u00e9p luy\u1ec7n kim b\u1ed9t ASP 23 (kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1i \u01b0u cho th\u00e9p silic v\u00e0 d\u00e2y chuy\u1ec1n t\u1ed1c \u0111\u1ed9 cao)\" width=\"1000\" height=\"175\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1-300x53.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1-768x134.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1-18x3.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Toughness-vs.-Wear-Resistance-Spectrum1-600x105.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\r\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a dao c\u1eaft quay ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc h\u1ee3p kim v\u00e0 h\u00ecnh th\u00e1i cacbua c\u1ee7a n\u00f3. C\u00e1c lo\u1ea1i th\u00e9p gia c\u00f4ng ngu\u1ed9i ti\u00eau chu\u1ea9n nh\u01b0 D2 v\u00e0 SKD11 c\u00f3 c\u00e1c cacbua eutectic crom s\u01a1 c\u1ea5p l\u1edbn, th\u00f4 (M).<sub>7<\/sub>C<sub>3<\/sub>D\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u00e9n chu k\u1ef3 cao c\u1ee7a c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh hi\u1ec7n \u0111\u1ea1i, c\u00e1c cacbua l\u1edbn n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ea5u tr\u00fac, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng s\u1ee9t m\u1ebb c\u1ea1nh nghi\u00eam tr\u1ecdng ho\u1eb7c n\u1ee9t \u0111\u1ed9t ng\u1ed9t. \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, th\u00e9p c\u00f4ng c\u1ee5 ti\u00ean ti\u1ebfn s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c h\u1ee3p kim \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang:<\/p>\r\n<h3>5.1 Ti\u00eau chu\u1ea9n H13 (4Cr5MoSiV1)<\/h3>\r\n<p>Th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, h\u00e0m l\u01b0\u1ee3ng cacbon trung b\u00ecnh v\u00e0 crom cao, c\u00f3 c\u1ea5u tr\u00fac mactenxit t\u00f4i c\u1ee9ng v\u01b0\u1ee3t tr\u1ed9i. N\u00f3 d\u1ef1a v\u00e0o th\u00e0nh ph\u1ea7n Cr-Mo-V c\u00e2n b\u1eb1ng \u0111\u1ec3 mang l\u1ea1i kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp v\u00e0 ch\u1ed1ng s\u1ed1c nhi\u1ec7t tuy\u1ec7t v\u1eddi, l\u00fd t\u01b0\u1edfng cho c\u00e1c d\u00e2y chuy\u1ec1n c\u00e1n n\u00f3ng kh\u1ed5 l\u1edbn. Tuy nhi\u00ean, t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch th\u1ea5p c\u1ee7a c\u00e1c cacbua c\u1ee9ng s\u01a1 c\u1ea5p h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00e2u d\u00e0i c\u1ee7a n\u00f3.<\/p>\r\n<p>5.2 C\u00e1c bi\u1ebfn th\u1ec3 H13 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i (Ph\u01b0\u01a1ng \u00e1n h\u1ee3p kim h\u00f3a)<\/p>\r\n<ul>\r\n<li><strong>H\u1ec7 Cr-Mo-W (+W):<\/strong> Vi\u1ec7c b\u1ed5 sung vi l\u01b0\u1ee3ng vonfram t\u1ea1o th\u00e0nh v\u1eadt li\u1ec7u M c\u1ee9ng, c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<sub>6<\/sub>C\u00e1c cacbua ph\u1ee9c h\u1ee3p C. S\u1ef1 c\u1ea3i ti\u1ebfn n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1ec9nh t\u00f4i c\u1ee9ng th\u1ee9 c\u1ea5p, \u0111\u1ed9 c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef c\u1ea1nh m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u01a1 b\u1ea3n, r\u1ea5t ph\u00f9 h\u1ee3p cho vi\u1ec7c x\u1ebb th\u00e9p silic t\u1ea7n s\u1ed1 cao.<\/li>\r\n<li><strong>H\u1ec7 Cr-Mo-Ni (+Ni):<\/strong> Vi\u1ec7c b\u1ed5 sung niken l\u00e0m t\u0103ng c\u01b0\u1eddng c\u1ea5u tr\u00fac mactenxit th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u0103ng c\u01b0\u1eddng dung d\u1ecbch r\u1eafn, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n ti\u1ebfp t\u1eeb d\u1ebbo sang gi\u00f2n v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc theo ph\u01b0\u01a1ng ngang. S\u1ef1 \u0111i\u1ec1u ch\u1ec9nh n\u00e0y gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t d\u1ecdc tr\u1ee5c nghi\u00eam tr\u1ecdng \u1edf c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (&gt;400mm) ch\u1ecbu l\u1ef1c k\u1eb9p ngang cao.<\/li>\r\n<li><strong>H\u1ec7 Cr-Mo-V-Mo (H\u00e0m l\u01b0\u1ee3ng Mo cao):<\/strong> Vi\u1ec7c t\u0103ng t\u1ef7 l\u1ec7 Molypden gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 m\u1ecbn h\u1ea1t v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u00f4i luy\u1ec7n. C\u1ea5u tr\u00fac n\u00e0y ch\u1ed1ng l\u1ea1i s\u1ef1 m\u1ec1m h\u00f3a do nhi\u1ec7t v\u00e0 s\u1ef1 lan truy\u1ec1n v\u1ebft n\u1ee9t nh\u1ecf d\u01b0\u1edbi ma s\u00e1t li\u00ean t\u1ee5c, t\u1ed1c \u0111\u1ed9 cao.<\/li>\r\n<li><strong>H\u1ec7 th\u1ed1ng composite W+Ni:<\/strong> S\u1ea3n ph\u1ea9m k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng k\u1ebft t\u1ee7a \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a cacbua vonfram v\u1edbi \u0111\u1eb7c t\u00ednh t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u1ee7a ma tr\u1eadn niken. C\u00e1ch ti\u1ebfp c\u1eadn k\u00e9p n\u00e0y t\u1ea1o ra s\u1ef1 c\u00e2n b\u1eb1ng tuy\u1ec7t v\u1eddi gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c x\u1ebb c\u00e1c d\u1ea3i kim lo\u1ea1i kh\u00f4ng \u0111\u1ec1u ho\u1eb7c b\u1ecb cong v\u00eanh.<\/li>\r\n<li><strong>H\u1ec7 th\u1ed1ng h\u1ed7n h\u1ee3p Mo+W:<\/strong> S\u1eed d\u1ee5ng s\u1ef1 k\u1ebft h\u1ee3p c\u00e2n b\u1eb1ng gi\u1eefa Molypden v\u00e0 Vonfram \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 tinh luy\u1ec7n h\u1ea1t. Th\u00e0nh ph\u1ea7n n\u00e0y mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng n\u00f3ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t tuy\u1ec7t v\u1eddi trong qu\u00e1 tr\u00ecnh x\u1ebb t\u1ed1c \u0111\u1ed9 cao c\u00e1c lo\u1ea1i th\u00e9p \u0111i\u1ec7n si\u00eau m\u1ecfng.<\/li>\r\n<\/ul>\r\n<h3>5.3 DC53 \/ LD (Th\u00e9p gia c\u00f4ng ngu\u1ed9i bi\u1ebfn t\u00ednh h\u00e0m l\u01b0\u1ee3ng vanadi cao)<\/h3>\r\n<p>Th\u00e9p gia c\u00f4ng ngu\u1ed9i ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a h\u1ee3p kim SKD11\/D2 ti\u00eau chu\u1ea9n. B\u1eb1ng c\u00e1ch t\u0103ng h\u00e0m l\u01b0\u1ee3ng Vanadi (V), n\u00f3 t\u1ea1o th\u00e0nh c\u00e1c cacbua vanadi lo\u1ea1i MC m\u1ecbn, ph\u00e2n t\u00e1n \u0111\u1ec1u, gi\u00fap tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t. V\u1edbi \u0111\u1ed9 c\u1ee9ng ho\u1ea1t \u0111\u1ed9ng HRC 60\u201362, DC53 cung c\u1ea5p \u0111\u1ed9 d\u1ebbo dai va \u0111\u1eadp g\u1ea5p \u0111\u00f4i so v\u1edbi SKD11, gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 s\u1ee9t m\u1ebb c\u1ea1nh khi gia c\u00f4ng c\u00e1c t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao d\u00f9ng trong ng\u00e0nh \u00f4 t\u00f4 l\u00ean \u0111\u1ebfn 1100MPa.<\/p>\r\n<h3>5.4 Th\u00e9p Matrix (Caldie \/ Viking)<\/h3>\r\n<p>\u0110\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi c\u00f4ng th\u1ee9c ma tr\u1eadn h\u1ee3p kim cao, h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p, gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c cacbua eutectic l\u1edbn, gi\u00f2n trong qu\u00e1 tr\u00ecnh \u0111\u00f4ng \u0111\u1eb7c. Lo\u1ea1i th\u00e9p n\u00e0y k\u1ebft h\u1ee3p \u0111\u1ed9 c\u1ee9ng ma tr\u1eadn cao c\u1ee7a th\u00e9p t\u1ed1c \u0111\u1ed9 cao (HRC 59\u201361) v\u1edbi \u0111\u1ed9 d\u1ebbo va \u0111\u1eadp tuy\u1ec7t v\u1eddi c\u1ee7a h\u1ee3p kim H13 d\u00f9ng cho gia c\u00f4ng n\u00f3ng. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ch\u1ed1ng n\u1ee9t do m\u1ecfi v\u00e0 h\u01b0 h\u1ecfng c\u1ea5u tr\u00fac d\u01b0\u1edbi t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc kh\u1eafc nghi\u1ec7t (1100MPa \u0111\u1ebfn 1500MPa).<\/p>\r\n<h3>5.5 Th\u00e9p t\u1ed1c \u0111\u1ed9 cao luy\u1ec7n kim b\u1ed9t (ASP 23 \/ CPM M4)<\/h3>\r\n<p>\u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p phun kh\u00ed v\u00e0 \u00e9p \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng (HIP), quy tr\u00ecnh n\u00e0y b\u1ecf qua qu\u00e1 tr\u00ecnh \u0111\u00fac ph\u00f4i th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 ph\u00e2n t\u00e1ch cacbua. C\u1ea5u tr\u00fac vi m\u00f4 thu \u0111\u01b0\u1ee3c bao g\u1ed3m s\u1ef1 ph\u00e2n t\u00e1n si\u00eau m\u1ecbn, \u0111\u1ed3ng nh\u1ea5t cao c\u1ee7a c\u00e1c cacbua vanadi v\u00e0 vonfram k\u00edch th\u01b0\u1edbc d\u01b0\u1edbi micromet \u0111\u01b0\u1ee3c nh\u00fang trong ma tr\u1eadn h\u1ee3p kim cao c\u1ea5p. Ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111\u1ed9 c\u1ee9ng HRC 62\u201364, c\u00e1c v\u1eadt li\u1ec7u n\u00e0y mang l\u1ea1i s\u1ef1 k\u1ebft h\u1ee3p tuy\u1ec7t v\u1eddi gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n n\u00e9n v\u00e0 \u0111\u1ed9 d\u1ebbo dai. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh t\u1ef1 \u0111\u1ed9ng c\u00f3 nhu c\u1ea7u cao, th\u00e9p PM c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 t\u1eeb 5 \u0111\u1ebfn 10 l\u1ea7n so v\u1edbi h\u1ee3p kim H13 ti\u00eau chu\u1ea9n. \u0110\u1ec3 c\u00f3 khung chi ph\u00ed tr\u00ean m\u1ed7i t\u1ea5n nh\u1eb1m \u0111\u00e1nh gi\u00e1 xem vi\u1ec7c k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd \u0111\u00f3 c\u00f3 x\u1ee9ng \u0111\u00e1ng v\u1edbi m\u1ee9c gi\u00e1 cao h\u01a1n trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n hay kh\u00f4ng, h\u00e3y xem <em><strong><a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/maxtormetal.com\/vi\/rotary-slitter-knife-roi-pm-hss-vs-tool-steel\/\">So s\u00e1nh hi\u1ec7u su\u1ea5t \u0111\u1ea7u t\u01b0 (ROI) gi\u1eefa dao x\u1ebb r\u00e3nh quay PM-HSS v\u00e0 th\u00e9p d\u1ee5ng c\u1ee5<\/a><\/strong><\/em>.<\/p>\r\n<h2>6.X\u1eed l\u00fd Nhi\u1ec7t &amp; C\u00e2n b\u1eb1ng \u0110\u1ed9 c\u1ee9ng<\/h2>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7794 size-full aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1.jpg\" alt=\"H\u00ecnh 1: Ph\u00f2ng th\u00ed nghi\u1ec7m Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n Maxtor Metal - Chu tr\u00ecnh t\u00f4i nhi\u1ec7t ch\u00e2n kh\u00f4ng v\u00e0 l\u00e0m l\u1ea1nh s\u00e2u (-196\u00b0C)\" width=\"1000\" height=\"425\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1-300x128.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1-768x326.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1-18x8.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Vacuum-Heat-Treatment-Thermal-Cycle-Profile1-600x255.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\r\n<h3>6.1 C\u00e1c quy tr\u00ecnh t\u00f4i v\u00e0 ram nhi\u1ec7t ch\u00e2n kh\u00f4ng<\/h3>\r\n<p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng th\u00edch h\u1ee3p gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac, c\u1ea7n ph\u1ea3i ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t. Chu tr\u00ecnh t\u00f4i nhi\u1ec7t ti\u00eau chu\u1ea9n c\u1ee7a Maxtor Metal d\u00e0nh cho dao c\u1eaft quay h\u1ee3p kim cao c\u1ea5p bao g\u1ed3m:<\/p>\r\n<ol>\r\n<li><strong>L\u00e0m n\u00f3ng s\u01a1 b\u1ed9 hai giai \u0111o\u1ea1n:<\/strong> C\u00e1c l\u01b0\u1ee1i dao \u0111\u01b0\u1ee3c nung n\u00f3ng t\u1eeb t\u1eeb \u0111\u1ebfn 550\u2103 v\u00e0 sau \u0111\u00f3 \u0111\u1ebfn 850\u2103 b\u00ean trong l\u00f2 ch\u00e2n kh\u00f4ng cao (10<sup>-4<\/sup> (mbar). \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 ch\u00eanh l\u1ec7ch \u1ee9ng su\u1ea5t nhi\u1ec7t v\u00e0 ng\u0103n ng\u1eeba bi\u1ebfn d\u1ea1ng tr\u00ean to\u00e0n b\u1ed9 h\u00ecnh d\u1ea1ng c\u1ee7a c\u00e1nh qu\u1ea1t.<\/li>\r\n<li><strong>T\u00f4i h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/strong> Nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean \u0111\u1ebfn ph\u1ea1m vi austenit h\u00f3a \u0111\u1eb7c tr\u01b0ng c\u1ee7a v\u1eadt li\u1ec7u (th\u01b0\u1eddng t\u1eeb 1020\u2103 \u0111\u1ebfn 1050\u2103 \u0111\u1ed1i v\u1edbi h\u1ee3p kim H13 c\u1ea3i ti\u1ebfn; l\u00ean \u0111\u1ebfn 1180\u2103 \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 PM) \u0111\u1ec3 h\u00f2a tan c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim v\u00e0o ma tr\u1eadn austenit ban \u0111\u1ea7u trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c ranh gi\u1edbi h\u1ea1t m\u1ecbn.<\/li>\r\n<li><strong>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00ed c\u00f3 ki\u1ec3m so\u00e1t:<\/strong> Kh\u00ed nit\u01a1 \u00e1p su\u1ea5t cao (4 bar \u0111\u1ebfn 10 bar) \u0111\u01b0\u1ee3c \u0111\u1ea9y qua bu\u1ed3ng \u0111\u1ec3 l\u00e0m ngu\u1ed9i nhanh c\u00e1c l\u01b0\u1ee1i dao, chuy\u1ec3n \u0111\u1ed5i austenit th\u00e0nh c\u1ea5u tr\u00fac mactenxit c\u1ee9ng, kh\u00f4ng t\u00f4i luy\u1ec7n.<\/li>\r\n<li><strong>T\u00f4i luy\u1ec7n ba l\u1ea7n d\u01b0\u1edbi ng\u01b0\u1ee1ng t\u1edbi h\u1ea1n:<\/strong> \u0110\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t t\u00f4i luy\u1ec7n b\u00ean trong v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u1ebbo dai, dao tr\u1ea3i qua \u00edt nh\u1ea5t ba chu k\u1ef3 ram ri\u00eang bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 540\u2103 \u0111\u1ebfn 560\u2103. Qu\u00e1 tr\u00ecnh n\u00e0y k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh t\u00f4i c\u1ee9ng th\u1ee9 c\u1ea5p b\u1eb1ng c\u00e1ch k\u1ebft t\u1ee7a c\u00e1c cacbua h\u1ee3p kim m\u1ecbn v\u00e0 chuy\u1ec3n \u0111\u1ed5i austenit c\u00f2n l\u1ea1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh th\u00e0nh mactenxit ram \u1ed5n \u0111\u1ecbnh.<\/li>\r\n<\/ol>\r\n<h3>6.2 C\u01a1 ch\u1ebf x\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh s\u00e2u<\/h3>\r\n<p>X\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng l\u1ea1nh s\u00e2u r\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1eaft x\u1ebb hi\u1ec7u su\u1ea5t cao. Ngay sau khi l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00ed ban \u0111\u1ea7u, c\u00e1c l\u01b0\u1ee1i dao \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh d\u1ea7n b\u00ean trong m\u1ed9t bu\u1ed3ng \u0111\u00f4ng l\u1ea1nh chuy\u00ean d\u1ee5ng xu\u1ed1ng \u0111\u1ebfn -196\u2103 v\u00e0 gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong 24 \u0111\u1ebfn 36 gi\u1edd.<\/p>\r\n<ul>\r\n<li><strong>Qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a Austenit ho\u00e0n to\u00e0n:<\/strong> Qu\u00e1 tr\u00ecnh n\u00e0y th\u00fac \u0111\u1ea9y s\u1ef1 chuy\u1ec3n h\u00f3a austenit c\u00f2n l\u1ea1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh th\u00e0nh mactenxit c\u1ee9ng, lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m y\u1ebfu v\u1ec1 c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 bi\u1ebfn d\u1ea1ng ho\u1eb7c cong v\u00eanh trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/li>\r\n<li><strong>K\u1ebft t\u1ee7a cacbua Eta (\u03b7):<\/strong> Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p t\u1ea1o ra c\u00e1c \u1ee9ng su\u1ea5t vi c\u1ea5u tr\u00fac, th\u00fac \u0111\u1ea9y s\u1ef1 k\u1ebft t\u1ee7a c\u1ee7a c\u00e1c eta-cacbua si\u00eau m\u1ecbn, k\u00edch th\u01b0\u1edbc nano trong c\u00e1c giai \u0111o\u1ea1n t\u00f4i luy\u1ec7n ti\u1ebfp theo. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n vi m\u00f4 c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 gi\u00fap duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n c\u1ee7a l\u01b0\u1ee1i c\u1eaft trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t k\u00e9o d\u00e0i.<\/li>\r\n<\/ul>\r\n<h3>6.3 H\u1ed3 s\u01a1 nitriding plasma k\u00e9p<\/h3>\r\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1eaft x\u1ebb ph\u1ee9c t\u1ea1p, ch\u1eb3ng h\u1ea1n nh\u01b0 gia c\u00f4ng th\u00e9p silic m\u00e0i m\u00f2n ho\u1eb7c t\u1ea5m th\u00e9p carbon d\u00e0y, l\u01b0\u1ee1i dao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nitriding plasma k\u00e9p. \u0110\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong bu\u1ed3ng ch\u00e2n kh\u00f4ng s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p kh\u00ed hydro-nit\u01a1 ion h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi \u0111i\u1ec3m t\u00f4i luy\u1ec7n (480\u2103 \u0111\u1ebfn 500\u2103), qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0a nit\u01a1 nguy\u00ean t\u1eed v\u00e0o m\u1ea1ng tinh th\u1ec3 b\u1ec1 m\u1eb7t c\u1ee7a th\u00e9p.<\/p>\r\n<ul>\r\n<li><strong>Ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u tr\u01b0\u1eddng h\u1ee3p:<\/strong> T\u1ea1o ra v\u00f9ng khu\u1ebfch t\u00e1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u1edbi \u0111\u1ed9 s\u00e2u l\u00e0 <strong>0,5 mm \u0111\u1ebfn 0,10 mm<\/strong>.<\/li>\r\n<li><strong>\u0110\u1ed9 c\u1ee9ng t\u1eeb b\u1ec1 m\u1eb7t \u0111\u1ebfn l\u00f5i:<\/strong> Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp v\u1ecf b\u1ec1 m\u1eb7t c\u1ee9ng c\u00f3 x\u1ebfp h\u1ea1ng \u1edf m\u1ee9c <strong>HV 900\u20131100<\/strong>, Trong khi \u0111\u00f3, ph\u1ea7n l\u00f5i v\u1eabn duy tr\u00ec \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp (HRC 54\u201357). Thi\u1ebft k\u1ebf n\u00e0y \u0111\u00e3 gi\u1ea3i quy\u1ebft th\u00e0nh c\u00f4ng th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt trong vi\u1ec7c k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n b\u00ean ngo\u00e0i cao v\u1edbi kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 va \u0111\u1eadp b\u00ean trong cao.<\/li>\r\n<\/ul>\r\n<h2>7.H\u00ecnh h\u1ecdc Dao &amp; K\u1ef9 thu\u1eadt L\u01b0\u1ee1i c\u1eaft<\/h2>\r\n<p>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thao t\u00e1c c\u1eaft r\u00e3nh quay ph\u1ee5 thu\u1ed9c tr\u1ef1c ti\u1ebfp v\u00e0o vi\u1ec7c duy tr\u00ec khe h\u1edf h\u00ecnh h\u1ecdc v\u00e0 c\u1ea5u h\u00ecnh c\u1ea1nh ch\u00ednh x\u00e1c:<\/p>\r\n<h3>7.1 Khe h\u1edf b\u00ean tr\u1ee5c (\u0394x)<\/h3>\r\n<p>Kho\u1ea3ng c\u00e1ch ngang gi\u1eefa m\u00e9p c\u1eaft tr\u00ean v\u00e0 m\u00e9p c\u1eaft d\u01b0\u1edbi l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng.<\/p>\r\n<ul>\r\n<li><strong>Th\u00e9p c\u00f3 \u0111\u1ed9 d\u00e0y ti\u00eau chu\u1ea9n:<\/strong> N\u1eb1m gi\u1eefa <strong>8% v\u00e0 12% l\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u.<\/strong>. N\u1ebfu khe h\u1edf qu\u00e1 nh\u1ecf, c\u00e1c \u0111\u01b0\u1eddng n\u1ee9t tr\u00ean v\u00e0 d\u01b0\u1edbi s\u1ebd c\u1eaft ngang nhau, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng c\u1eaft x\u00e9 th\u1ee9 c\u1ea5p, ma s\u00e1t v\u1eadt li\u1ec7u cao v\u00e0 m\u00e0i m\u00f2n c\u1ea1nh nhanh. N\u1ebfu khe h\u1edf qu\u00e1 l\u1edbn, v\u1eadt li\u1ec7u s\u1ebd b\u1ecb r\u00e1ch do k\u00e9o c\u0103ng, t\u1ea1o ra c\u00e1c g\u1edd d\u00e0y v\u00e0 n\u1eb7ng.<\/li>\r\n<li><strong>Th\u00e9p si\u00eau b\u1ec1n (UHSS):<\/strong> Kho\u1ea3ng h\u1edf b\u00ean ph\u1ea3i ph\u1ea3i \u0111\u01b0\u1ee3c t\u0103ng l\u00ean. <strong>T\u1eeb 14% \u0111\u1ebfn 18% l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m.<\/strong>. V\u00ec c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng d\u1ebbo, n\u00ean c\u1ea7n c\u00f3 khe h\u1edf r\u1ed9ng h\u01a1n \u0111\u1ec3 cho ph\u00e9p c\u00e1c v\u1ebft n\u1ee9t tr\u01b0\u1ee3t lan truy\u1ec1n t\u1ef1 nhi\u00ean, ng\u0103n ng\u1eeba c\u00e1c xung l\u1ef1c c\u1ef1c \u0111oan c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t ho\u1eb7c v\u1ee1 l\u01b0\u1ee1i dao.<\/li>\r\n<\/ul>\r\n<h3>7.2 \u0110\u1ed9 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m (h)<sub>o<\/sub>)<\/h3>\r\n<p>\u0110\u1ed9 s\u00e2u \u0103n kh\u1edbp theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng c\u1ee7a c\u00e1c l\u01b0\u1ee1i tr\u00ean v\u00e0 d\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\r\n<ul>\r\n<li><strong>V\u1eadt li\u1ec7u d\u1ea1ng d\u1ea3i m\u1ecfng (&lt;0,5mm):<\/strong> Th\u00f4ng th\u01b0\u1eddng c\u1ea7n c\u00f3 s\u1ef1 ch\u1ed3ng l\u1ea5n d\u01b0\u01a1ng nh\u1ecf (<strong>T\u1eeb 2 mm \u0111\u1ebfn 0,4 mm<\/strong>) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u r\u1ed9ng c\u1ee7a v\u1ebft c\u1eaft.<\/li>\r\n<li><strong>T\u1ea5m th\u00e9p d\u00e0y (\u22653mm):<\/strong> \u0110\u1ed9 ch\u1ed3ng l\u1ea5p theo chi\u1ec1u d\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng l\u00ean \u0111\u1ebfn <strong>0 mm<\/strong> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c t\u00e1ch v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady, c\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng tr\u1ee5c ch\u00ednh c\u00f3 \u0111\u1ed9 c\u1ee9ng cao \u0111\u1ec3 ng\u0103n c\u00e1c l\u01b0\u1ee1i dao b\u1ecb l\u1ec7ch ho\u1eb7c tr\u01b0\u1ee3t kh\u1ecfi v\u1ecb tr\u00ed d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/li>\r\n<\/ul>\r\n<h3>7.3 T\u1ea1o h\u00ecnh c\u1ea1nh v\u00e0 v\u00e1t c\u1ea1nh si\u00eau nh\u1ecf<\/h3>\r\n<p>C\u00e1c c\u1ea1nh s\u1eafc b\u00e9n ti\u00eau chu\u1ea9n, vu\u00f4ng g\u00f3c 90\u00b0 d\u1ec5 b\u1ecb s\u1ee9t m\u1ebb nh\u1ecf khi ch\u1ecbu l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh. \u0110\u1ec3 ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y, Maxtor Metal s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u1ea1nh chuy\u00ean bi\u1ec7t:<\/p>\r\n<ul>\r\n<li><strong>M\u00e0i si\u00eau m\u1ecbn:<\/strong> L\u01b0\u1ee1i c\u1eaft \u0111\u01b0\u1ee3c m\u00e0i nh\u1eb9 b\u1eb1ng ch\u1ea5t m\u00e0i kim c\u01b0\u01a1ng m\u1ecbn \u0111\u1ec3 t\u1ea1o ra b\u00e1n k\u00ednh \u0111\u1ed3ng \u0111\u1ec1u t\u1eeb 5\u03bcm \u0111\u1ebfn 15\u03bcm. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u1eafc ch\u1eafn cho l\u01b0\u1ee1i c\u1eaft, gi\u1ea3m s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng s\u1ef1 h\u00ecnh th\u00e0nh bavia.<\/li>\r\n<li><strong>V\u00e1t m\u00e9p nh\u1ecf \u1edf c\u1ea1nh b\u00ean (v\u00e1t m\u00e9p b\u1ea3o v\u1ec7 45\u00b0):<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c thao t\u00e1c c\u1eaft x\u1ebb t\u1ea3i n\u1eb7ng, m\u1ed9t g\u00f3c v\u00e1t b\u1ea3o v\u1ec7 nh\u1ecf 0,05mm*45\u00b0 \u0111\u01b0\u1ee3c m\u00e0i v\u00e0o g\u00f3c c\u1eaft. T\u00ednh n\u0103ng chuy\u1ec3n h\u01b0\u1edbng n\u00e0y gi\u00fap h\u1ea5p th\u1ee5 l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng s\u1ee9t m\u1ebb c\u1ea1nh do s\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1eadt li\u1ec7u ho\u1eb7c rung \u0111\u1ed9ng d\u00e2y chuy\u1ec1n.<\/li>\r\n<\/ul>\r\n<h2>8.Quy tr\u00ecnh S\u1ea3n xu\u1ea5t &amp; Ki\u1ec3m tra Ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\r\n<p>M\u1ed7i l\u01b0\u1ee1i dao c\u1eaft xoay \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua m\u1ed9t chu\u1ed7i c\u00e1c thao t\u00e1c ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac v\u01b0\u1ee3t tr\u1ed9i:<\/p>\r\n<h3>8.1 R\u00e8n v\u1eadt li\u1ec7u<\/h3>\r\n<ul>\r\n<li><strong>R\u00e8n \u0111a h\u01b0\u1edbng:<\/strong> C\u00e1c th\u1ecfi kim lo\u1ea1i \u0111\u01b0\u1ee3c r\u00e8n b\u1eb1ng m\u00e1y \u00e9p th\u1ee7y l\u1ef1c c\u00f4ng su\u1ea5t l\u1edbn theo ba chi\u1ec1u, \u0111\u1ea1t t\u1ef7 l\u1ec7 gi\u1ea3m r\u00e8n t\u1ed1i thi\u1ec3u l\u00e0 5:1. \u0110i\u1ec1u n\u00e0y l\u00e0m ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac d\u1ea1ng nh\u00e1nh c\u00e2y v\u00e0 tinh ch\u1ec9nh s\u1ef1 ph\u00e2n b\u1ed1 h\u1ea1t.<\/li>\r\n<\/ul>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7791 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1.jpg\" alt=\"R\u00e8n \u0111a h\u01b0\u1edbng (1)\" width=\"810\" height=\"793\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1.jpg 810w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1-300x294.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1-768x752.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Multi-Directional-Forging1-600x587.jpg 600w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\r\n<h3>8.2 Gia c\u00f4ng th\u00f4 v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t<\/h3>\r\n<ul>\r\n<li><strong>Gia c\u00f4ng ti\u1ec7n CNC:<\/strong> C\u00e1c ph\u00f4i r\u00e8n \u0111\u01b0\u1ee3c gia c\u00f4ng th\u00f4 \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b11,5mm so v\u1edbi k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng, v\u00e0 c\u00e1c l\u1ed7 trung t\u00e2m \u0111\u01b0\u1ee3c gia c\u00f4ng tr\u01b0\u1edbc.<\/li>\r\n<li><strong>\u1ee6 nhi\u1ec7t gi\u1ea3m \u1ee9ng su\u1ea5t:<\/strong> \u0110\u1ec3 lo\u1ea1i b\u1ecf \u1ee9ng su\u1ea5t d\u01b0 do qu\u00e1 tr\u00ecnh r\u00e8n v\u00e0 gia c\u00f4ng c\u01a1 kh\u00ed n\u1eb7ng g\u00e2y ra, c\u00e1c chi ti\u1ebft \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn 650\u2103, gi\u1eef trong 4 gi\u1edd v\u00e0 l\u00e0m ngu\u1ed9i t\u1eeb t\u1eeb trong l\u00f2. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tuy\u1ec7t v\u1eddi trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ti\u1ebfp theo.<\/li>\r\n<\/ul>\r\n<h3>8.3 X\u1eed l\u00fd nhi\u1ec7t v\u00e0 x\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh (<em>Vui l\u00f2ng tham kh\u1ea3o M\u1ee5c 6 \u0111\u1ec3 bi\u1ebft chi ti\u1ebft \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 chu tr\u00ecnh.<\/em>)<\/h3>\r\n<ul>\r\n<li>C\u00e1c ph\u00f4i \u0111\u01b0\u1ee3c t\u00f4i c\u1ee9ng b\u1eb1ng kh\u00ed ch\u00e2n kh\u00f4ng v\u00e0 chu k\u1ef3 \u0111\u00f4ng l\u1ea1nh s\u00e2u \u0111\u1ebfn -196\u2103, nh\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 chi ti\u1ebft trong Ph\u1ea7n 6. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng m\u1ee5c ti\u00eau \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t v\u1eadt li\u1ec7u b\u00ean trong.<\/li>\r\n<\/ul>\r\n<h3>8.4 M\u00e0i ch\u00ednh x\u00e1c &amp; Ki\u1ec3m \u0111\u1ecbnh \u0111o l\u01b0\u1eddng<\/h3>\r\n<ul>\r\n<li><strong>M\u00e0i b\u1ec1 m\u1eb7t b\u1eb1ng m\u00e1y quay:<\/strong> B\u1ec1 m\u1eb7t l\u01b0\u1ee1i dao \u0111\u01b0\u1ee3c m\u00e0i tr\u00ean m\u00e1y m\u00e0i quay \u0111\u1ed9 ch\u00ednh x\u00e1c cao, trang b\u1ecb tr\u1ee5c ch\u00ednh th\u1ee7y l\u1ef1c v\u00e0 h\u1ec7 th\u1ed1ng b\u00f9 nhi\u1ec7t t\u1ef1 \u0111\u1ed9ng.<\/li>\r\n<li><strong>M\u00e0i l\u1ed7:<\/strong> L\u1ed7 t\u00e2m b\u00ean trong \u0111\u01b0\u1ee3c m\u00e0i v\u1edbi dung sai r\u1ea5t nh\u1ecf (th\u01b0\u1eddng l\u00e0 H5, +0,011 \/ -0mm) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi tr\u1ee5c m\u00e1y x\u1ebb r\u00e3nh, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 r\u01a1 h\u01b0\u1edbng t\u00e2m.<\/li>\r\n<li><strong>\u0110\u00e1nh b\u00f3ng g\u01b0\u01a1ng hai m\u1eb7t:<\/strong> C\u00e1c m\u1eb7t b\u00ean c\u1ee7a dao \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng quy tr\u00ecnh m\u00e0i b\u00f3ng tu\u1ea7n t\u1ef1 s\u1eed d\u1ee5ng dung d\u1ecbch kim c\u01b0\u01a1ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra &lt;0,2\u03bcm. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf c\u00e1c v\u1ebft m\u00e0i v\u00e0 t\u1ea1o ra b\u1ec1 m\u1eb7t b\u00f3ng nh\u01b0 g\u01b0\u01a1ng, gi\u00fap gi\u1ea3m ma s\u00e1t v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 b\u00e1m d\u00ednh v\u1eadt li\u1ec7u.<\/li>\r\n<\/ul>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7792 size-full aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1.jpg\" alt=\"H\u1ec7 th\u1ed1ng ki\u1ec3m tra \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c Maxtor Metal d\u00e0nh cho dao c\u1eaft quay \u2014 quy tr\u00ecnh s\u1eed d\u1ee5ng giao thoa k\u1ebf laser \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 song song (&lt; 0,003 mm), v\u00e0 quy tr\u00ecnh s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o \u0111\u1ed9 l\u1ec7ch tr\u1ee5c k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u1ec7ch tr\u1ee5c (\u2264 0,005 mm)\" width=\"1000\" height=\"425\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1-300x128.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1-768x326.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1-18x8.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Precision-Metrology-Inspection-Setup1-600x255.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\r\n<h3>8.5 Quy tr\u00ecnh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng<\/h3>\r\n<ul>\r\n<li><strong>Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc:<\/strong> \u0110\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 song song \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u00ean trong ph\u00f2ng \u0111o l\u01b0\u1eddng c\u00f3 \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 (20\u2103\u00b15\u2103) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o giao thoa laser v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111o k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. \u0110\u1ed9 song song ph\u1ea3i \u0111o \u0111\u01b0\u1ee3c d\u01b0\u1edbi 0,003mm \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o khe h\u1edf c\u1eaft \u0111\u1ed3ng \u0111\u1ec1u.<\/li>\r\n<li><strong>Ki\u1ec3m tra \u0111\u1ed9 l\u1ec7ch tr\u1ee5c:<\/strong> Dao sau khi ho\u00e0n thi\u1ec7n \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean m\u1ed9t tr\u1ee5c chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 xoay d\u01b0\u1edbi m\u1ed9t thi\u1ebft b\u1ecb \u0111o k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u1ec3 x\u00e1c minh r\u1eb1ng \u0111\u1ed9 l\u1ec7ch tr\u1ee5c v\u1eabn \u22640,005mm.<\/li>\r\n<li><strong>Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT):<\/strong> M\u1ed7i l\u01b0\u1ee1i dao \u0111\u1ec1u tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1eeb t\u00ednh (MPI) ho\u1eb7c ki\u1ec3m tra b\u1eb1ng ch\u1ea5t th\u1ea9m th\u1ea5u l\u1ecfng (LPI) tr\u00ean to\u00e0n b\u1ed9 c\u1ea1nh c\u1eaft \u0111\u1ec3 x\u00e1c nh\u1eadn ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t nh\u1ecf ho\u1eb7c v\u1ebft ch\u00e1y do m\u00e0i.<\/li>\r\n<\/ul>\r\n<h2>9. Nghi\u00ean c\u1ee9u t\u00ecnh hu\u1ed1ng \/ Case Studies th\u1ef1c t\u1ebf<\/h2>\r\n<h3>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 1: Kh\u1eafc ph\u1ee5c l\u1ed7i c\u1ea1nh trong d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh th\u00e9p si\u00eau c\u1ee9ng UHSS ng\u00e0nh \u00f4 t\u00f4<\/h3>\r\n<p><em>D\u1eef li\u1ec7u sau \u0111\u00e2y \u0111\u1ebfn t\u1eeb d\u1ef1 \u00e1n h\u1ed7 tr\u1ee3 c\u1ee7a Maxtor Metal d\u00e0nh cho trung t\u00e2m d\u1ecbch v\u1ee5 th\u00e9p \u00f4 t\u00f4, t\u00ean kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ea9n danh.<\/em><\/p>\r\n<ul>\r\n<li><strong>H\u1ed3 s\u01a1 kh\u00e1ch h\u00e0ng:<\/strong> M\u1ed9t trung t\u00e2m d\u1ecbch v\u1ee5 th\u00e9p \u00f4 t\u00f4 h\u00e0ng \u0111\u1ea7u, chuy\u00ean x\u1eed l\u00fd c\u00e1c lo\u1ea1i th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao ti\u00ean ti\u1ebfn.<\/li>\r\n<li><strong>Th\u1eed th\u00e1ch:<\/strong> Nh\u00e0 m\u00e1y n\u00e0y s\u1eed d\u1ee5ng dao c\u1eaft quay D2\/SKD11 th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 x\u1ebb cu\u1ed9n th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao DP1180 d\u00e0y 1,6mm. L\u01b0\u1ee1i dao th\u01b0\u1eddng xuy\u00ean b\u1ecb s\u1ee9t m\u1ebb nh\u1ecf v\u00e0 g\u00e3y v\u1ee1 tr\u00ean di\u1ec7n r\u1ed9ng d\u1ecdc theo c\u1ea1nh c\u1eaft, d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i d\u1eebng d\u00e2y chuy\u1ec1n \u0111\u1ec3 thay dao sau m\u1ed7i 12.000 m\u00e9t s\u1ea3n l\u01b0\u1ee3ng, g\u00e2y ra hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb th\u1ea5p v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec cao.<\/li>\r\n<li><strong>Can thi\u1ec7p k\u1ef9 thu\u1eadt:<\/strong> B\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng c\u1ee7a Maxtor Metal \u0111\u00e3 ph\u00e2n t\u00edch \u1ee9ng d\u1ee5ng v\u00e0 thay th\u1ebf c\u00e1c l\u01b0\u1ee1i dao D2 d\u1ec5 g\u00e3y b\u1eb1ng... <strong>Th\u00e9p gia c\u00f4ng ngu\u1ed9i DC53 h\u00e0m l\u01b0\u1ee3ng vanadi cao<\/strong> L\u01b0\u1ee1i c\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng HRC 60\u201362. H\u1ec7 th\u1ed1ng m\u1edbi bao g\u1ed3m x\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh s\u00e2u \u0111\u1ec3 lo\u1ea1i b\u1ecf \u1ee9ng su\u1ea5t v\u1eadt li\u1ec7u b\u00ean trong. Ngo\u00e0i ra, khe h\u1edf c\u1eaft ngang \u0111\u00e3 \u0111\u01b0\u1ee3c t\u0103ng t\u1eeb ti\u00eau chu\u1ea9n 10% l\u00ean \u0111\u1ebfn... <strong>16% c\u1ee7a \u0111\u1ed9 d\u00e0y t\u1ea5m<\/strong> \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o cao c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\r\n<li><strong>K\u1ebft qu\u1ea3 \u0111\u1ecbnh l\u01b0\u1ee3ng:<\/strong>\r\n<ul>\r\n<li><strong>K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5:<\/strong> Kho\u1ea3ng c\u00e1ch c\u1eaft m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng t\u0103ng t\u1eeb 12.000 m\u00e9t l\u00ean h\u01a1n <strong>2<\/strong><strong>5.000 m\u00e9t<\/strong> tr\u01b0\u1edbc khi c\u1ea7n ph\u1ea3i m\u00e0i l\u1ea1i.<\/li>\r\n<li><strong>Gi\u1ea3m thi\u1ec3u s\u1ee9t m\u1ebb:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t v\u1ee1 l\u01b0\u1ee1i dao nghi\u00eam tr\u1ecdng \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n.<\/li>\r\n<li><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> Gi\u1ea3m chi ph\u00ed d\u1ee5ng c\u1ee5 h\u00e0ng n\u0103m xu\u1ed1ng 521 t\u1ea5n v\u00e0 gi\u1ea3m s\u1ed1 gi\u1edd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng tu\u1ea7n xu\u1ed1ng 781 t\u1ea5n. <em>(Vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c s\u1ef1 c\u1ed1 v\u1ee1 v\u1ee5n nghi\u00eam tr\u1ecdng \u0111\u00e3 lo\u1ea1i b\u1ecf t\u00ecnh tr\u1ea1ng d\u1eebng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ngo\u00e0i k\u1ebf ho\u1ea1ch, \u0111i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch kh\u00f4ng t\u01b0\u01a1ng x\u1ee9ng so v\u1edbi vi\u1ec7c k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd dao.)<\/em><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h3>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 2: Kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng l\u00e0m m\u1ec1m c\u1ea1nh v\u00e0 bavia trong qu\u00e1 tr\u00ecnh x\u1ebb r\u00e3nh th\u00e9p silic<\/h3>\r\n<p><em>D\u1eef li\u1ec7u sau \u0111\u00e2y \u0111\u1ebfn t\u1eeb d\u1ef1 \u00e1n h\u1ed7 tr\u1ee3 c\u1ee7a Maxtor Metal cho m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea5m th\u00e9p m\u1ecfng \u0111\u1ed9ng c\u01a1, t\u00ean kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ea9n danh.<\/em><\/p>\r\n<ul>\r\n<li><strong>H\u1ed3 s\u01a1 kh\u00e1ch h\u00e0ng:<\/strong> Nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao v\u00e0 c\u00e1c t\u1ea5m th\u00e9p c\u00e1n m\u1ecfng cho \u0111\u1ed9ng c\u01a1 xe \u0111i\u1ec7n.<\/li>\r\n<li><strong>Th\u1eed th\u00e1ch:<\/strong> Nh\u00e0 m\u00e1y n\u00e0y \u0111ang x\u1ebb c\u00e1c cu\u1ed9n th\u00e9p silic \u0111i\u1ec7n si\u00eau m\u1ecfng, c\u00f3 \u0111\u1ed9 m\u00e0i m\u00f2n cao 0,35mm v\u1edbi t\u1ed1c \u0111\u1ed9 cao 250m\/ph\u00fat. H\u1ecd s\u1eed d\u1ee5ng l\u01b0\u1ee1i dao th\u00e9p c\u00f4ng c\u1ee5 H13 ti\u00eau chu\u1ea9n, lo\u1ea1i l\u01b0\u1ee1i dao n\u00e0y b\u1ecb m\u1ec1m nhanh v\u00e0 m\u00f2n c\u1ea1nh do nhi\u1ec7t ma s\u00e1t cao sinh ra trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng g\u1edd c\u1ea1nh qu\u00e1 m\u1ee9c (&gt;0,05mm), khi\u1ebfn c\u00e1c d\u1ea3i th\u00e9p \u0111\u00e3 x\u1ebb kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u trong c\u00e1c b\u00e0i ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n.<\/li>\r\n<li><strong>Can thi\u1ec7p k\u1ef9 thu\u1eadt:<\/strong> Maxtor Metal \u0111\u00e3 tri\u1ec3n khai m\u1ed9t <strong>V\u1eadt li\u1ec7u composite Mo+W \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn H13<\/strong> Th\u00e9p d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c t\u00f4i c\u1ee9ng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng HRC 58\u201360. C\u00e1c l\u01b0\u1ee1i dao tr\u1ea3i qua quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ch\u00e2n kh\u00f4ng ti\u00ean ti\u1ebfn, ti\u1ebfp theo l\u00e0... <strong>X\u1eed l\u00fd nit\u01a1 h\u00f3a b\u1eb1ng plasma s\u00e2u 0,8 mm<\/strong> Chu tr\u00ecnh n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp v\u1ecf b\u1ec1 m\u1eb7t c\u1ee9ng (HV 1000) bao ph\u1ee7 l\u00f5i c\u1ee9ng c\u00e1p. B\u1ec1 m\u1eb7t l\u01b0\u1ee1i dao c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng g\u01b0\u01a1ng \u0111\u1ebfn \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t Ra 0,15\u03bcm \u0111\u1ec3 gi\u1ea3m thi\u1ec3u ma s\u00e1t.<\/li>\r\n<li><strong>K\u1ebft qu\u1ea3 \u0111\u1ecbnh l\u01b0\u1ee3ng:<\/strong>\r\n<ul>\r\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng c\u1ea1nh:<\/strong> C\u00e1c c\u1ea1nh s\u1eafc nh\u1ecdn \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n <strong>0,15 mm<\/strong>, \u0110\u00e3 v\u01b0\u1ee3t qua t\u1ea5t c\u1ea3 c\u00e1c kh\u00e2u ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\r\n<li><strong>Kho\u1ea3ng th\u1eddi gian m\u00e0i l\u1ea1i:<\/strong> Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c gi\u1eefa c\u00e1c l\u1ea7n m\u00e0i l\u1ea1i l\u01b0\u1ee1i dao k\u00e9o d\u00e0i t\u1eeb 35.000 m\u00e9t l\u00ean <strong>210.000 m\u00e9t<\/strong>. <em>(Kho\u1ea3ng th\u1eddi gian k\u00e9o d\u00e0i ph\u1ea3n \u00e1nh ch\u1ebf \u0111\u1ed9 m\u00e0i m\u00f2n \u0111\u1eb7c bi\u1ec7t m\u1ea1nh c\u1ee7a th\u00e9p silic, trong \u0111\u00f3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p kim c\u00f3 t\u00e1c \u0111\u1ed9ng t\u1ed5ng h\u1ee3p \u0111\u1ebfn tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5.)<\/em><\/li>\r\n<li><strong>Gi\u1ea3m thi\u1ec3u b\u1ee5i:<\/strong> C\u00e1c c\u1ea1nh l\u01b0\u1ee1i dao \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng k\u1ef9 l\u01b0\u1ee1ng gi\u00fap gi\u1ea3m thi\u1ec3u ma s\u00e1t, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng b\u1ee5i s\u1eaft trong kh\u00f4ng kh\u00ed d\u1ecdc theo \u0111\u01b0\u1eddng c\u1eaft.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)\u00a0<\/h2>\r\n<h3>C\u00e2u 1: T\u1ea1i sao ch\u00fang ta n\u00ean s\u1eed d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 H13 c\u1ea3i ti\u1ebfn thay v\u00ec th\u00e9p D2\/SKD11 th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 x\u1ebb r\u00e3nh kim lo\u1ea1i n\u1eb7ng?<\/h3>\r\n<p><strong>A1:<\/strong> Th\u00e9p D2\/SKD11 th\u00f4ng th\u01b0\u1eddng c\u00f3 c\u00e1c cacbua crom l\u1edbn, gi\u00f2n (M).<sub>7<\/sub>C<sub>3<\/sub>7C3) l\u1edbn v\u00e0 gi\u00f2n trong c\u1ea5u tr\u00fac vi m\u00f4. Khi ch\u1ecbu l\u1ef1c n\u00e9n v\u00e0 l\u1ef1c va \u0111\u1eadp chu k\u1ef3 cao tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb hi\u1ec7n \u0111\u1ea1i, c\u00e1c h\u1ea1t carbide l\u1edbn n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn n\u1ee9t \u0111\u1ed9t ng\u1ed9t \u1edf m\u00e9p c\u1eaft ho\u1eb7c h\u1ecfng l\u01b0\u1ee1i dao ho\u00e0n to\u00e0n. Th\u00e9p H13 c\u1ea3i ti\u1ebfn s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac n\u1ec1n martensite d\u1ebbo dai v\u00e0 \u0111\u1ed3ng nh\u1ea5t h\u01a1n, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>\r\n<h3>C\u00e2u 2: Vi\u1ec7c b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf vonfram (W) c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a dao c\u1eaft H13 nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\r\n<p><strong>A2:<\/strong> Vonfram k\u1ebft h\u1ee3p v\u1edbi cacbon trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t M m\u1ecbn, c\u1ee9ng.<sub>6<\/sub>C\u00e1c cacbua lo\u1ea1i C. C\u00e1c vi cacbua n\u00e0y l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng t\u00f4i c\u1ee9ng th\u1ee9 c\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao \u1edf nhi\u1ec7t \u0111\u1ed9 cao, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng m\u1ec1m l\u01b0\u1ee1i c\u1eaft do nhi\u1ec7t ma s\u00e1t trong qu\u00e1 tr\u00ecnh x\u1ebb t\u1ed1c \u0111\u1ed9 cao.<\/p>\r\n<h3>C\u00e2u 3: Niken (Ni) \u0111\u00f3ng vai tr\u00f2 g\u00ec trong c\u00e1c l\u01b0\u1ee1i c\u1eaft con l\u0103n \u0111\u01b0\u1eddng k\u00ednh l\u1edbn?<\/h3>\r\n<p><strong>A3:<\/strong> Niken l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a ma tr\u1eadn th\u00e9p th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00f4i c\u1ee9ng dung d\u1ecbch r\u1eafn, gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 d\u1ebbo dai khi va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc theo ph\u01b0\u01a1ng ngang. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i dao c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (&gt;400mm), \u0111\u1ed9 d\u1ebbo dai b\u1ed5 sung n\u00e0y gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t d\u1ecdc tr\u1ee5c c\u1ee7a d\u1ee5ng c\u1ee5 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c kh\u00f3a ngang l\u1edbn.<\/p>\r\n<h3>C\u00e2u 4: Khi n\u00e0o c\u1ea7n n\u00e2ng c\u1ea5p l\u00ean c\u00e1c lo\u1ea1i th\u00e9p luy\u1ec7n kim b\u1ed9t (PM) hi\u1ec7u n\u0103ng cao nh\u01b0 ASP 23?<\/h3>\r\n<p><strong>A4:<\/strong> Th\u00e9p luy\u1ec7n kim b\u1ed9t (PM) r\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng cho c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh t\u1ef1 \u0111\u1ed9ng, kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c khi gia c\u00f4ng c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng, d\u1ec5 m\u00e0i m\u00f2n nh\u01b0 th\u00e9p silic \u0111i\u1ec7n, n\u01a1i ch\u1ea5t l\u01b0\u1ee3ng c\u1ea1nh c\u1eaft l\u00e0 r\u1ea5t quan tr\u1ecdng. Quy tr\u00ecnh luy\u1ec7n kim b\u1ed9t lo\u1ea1i b\u1ecf s\u1ef1 ph\u00e2n t\u00e1ch cacbua, t\u1ea1o ra c\u1ea5u tr\u00fac \u0111\u1ed3ng nh\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng s\u1ee9t m\u1ebb nh\u1ecf v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 t\u1eeb 5 \u0111\u1ebfn 10 l\u1ea7n so v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng.<\/p>\r\n<h3>C\u00e2u 5: Nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u00e9p c\u1eaft l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c ngo\u1eb1n ngo\u00e8o tr\u00ean d\u1ea3i kim lo\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ebb r\u00e3nh l\u00e0 g\u00ec?<\/h3>\r\n<p><strong>A5:<\/strong> C\u00e1c c\u1ea1nh l\u01b0\u1ee3n s\u00f3ng th\u01b0\u1eddng do khe h\u1edf c\u1eaft kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, th\u01b0\u1eddng l\u00e0 do \u0111\u1ed9 l\u1ec7ch tr\u1ee5c v\u01b0\u1ee3t qu\u00e1 \u22640,005mm ho\u1eb7c do s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y t\u00edch l\u0169y trong c\u1ee5m l\u01b0\u1ee1i dao v\u00e0 v\u00f2ng \u0111\u1ec7m. \u0110i\u1ec1u n\u00e0y khi\u1ebfn c\u00e1c l\u01b0\u1ee1i dao h\u01a1i rung l\u1eafc khi quay, l\u00e0m cho khe h\u1edf ngang d\u1ecbch chuy\u1ec3n \u0111\u1ed9ng v\u00e0 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng c\u1eaft kh\u00f4ng \u0111\u1ec1u.<\/p>\r\n<h3>C\u00e2u 6: S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 dung sai \u0111\u1ed9 d\u00e0y \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn h\u1ec7 th\u1ed1ng c\u1eaft nhi\u1ec1u dao?<\/h3>\r\n<p><strong>A6:<\/strong> Tr\u00ean tr\u1ee5c x\u1ebb r\u00e3nh c\u00f3 nhi\u1ec1u dao v\u00e0 mi\u1ebfng \u0111\u1ec7m, sai s\u1ed1 \u0111\u1ed9 d\u00e0y ri\u00eang l\u1ebb t\u00edch l\u0169y d\u1ea7n tr\u00ean to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p. N\u1ebfu dung sai c\u1ee7a t\u1eebng l\u01b0\u1ee1i dao kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1eef trong kho\u1ea3ng \u00b10,002mm \u0111\u1ebfn \u00b10,005mm, t\u1ed5ng sai s\u1ed1 t\u00edch l\u0169y s\u1ebd l\u00e0m l\u1ec7ch dao tr\u00ean v\u00e0 dao d\u01b0\u1edbi, d\u1eabn \u0111\u1ebfn khe h\u1edf kh\u00f4ng nh\u1ea5t qu\u00e1n, ch\u1ea5t l\u01b0\u1ee3ng c\u1ea1nh k\u00e9m v\u00e0 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5.<\/p>\r\n<h3>C\u00e2u 7: T\u1ea1i sao th\u00e9p si\u00eau b\u1ec1n d\u00f9ng trong \u00f4 t\u00f4 l\u1ea1i c\u1ea7n khe h\u1edf c\u1eaft ngang r\u1ed9ng h\u01a1n?<\/h3>\r\n<p><strong>A7:<\/strong> V\u1eadt li\u1ec7u c\u01b0\u1eddng \u0111\u1ed9 cao c\u00f3 \u0111i\u1ec3m ch\u1ea3y cao v\u00e0 \u0111\u1ed9 d\u1ebbo th\u1ea5p. N\u1ebfu s\u1eed d\u1ee5ng khe h\u1edf ti\u00eau chu\u1ea9n 10%, v\u1eadt li\u1ec7u s\u1ebd kh\u00f4ng b\u1ecb g\u00e3y g\u1ecdn, g\u00e2y ra s\u1ef1 t\u0103ng \u0111\u1ed9t bi\u1ebfn l\u1edbn v\u1ec1 l\u1ef1c c\u1eaft, c\u00f3 th\u1ec3 nhanh ch\u00f3ng l\u00e0m c\u00f9n ho\u1eb7c s\u1ee9t m\u1ebb l\u01b0\u1ee1i dao. T\u0103ng khe h\u1edf l\u00ean 14%\u201318% cho ph\u00e9p c\u00e1c v\u1ebft n\u1ee9t c\u1eaft g\u1eb7p nhau m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean, \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u00e1ch r\u1eddi g\u1ecdn g\u00e0ng v\u1edbi \u00edt \u1ee9ng su\u1ea5t h\u01a1n l\u00ean d\u1ee5ng c\u1ee5.<\/p>\r\n<h3>C\u00e2u 8: X\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh s\u00e2u \u1edf -196\u00b0C mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch g\u00ec cho dao c\u1eaft quay?<\/h3>\r\n<p><strong>A8:<\/strong> X\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng l\u1ea1nh chuy\u1ec3n h\u00f3a austenit c\u00f2n l\u1ea1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh th\u00e0nh mactenxit t\u00f4i luy\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 k\u1ebft t\u1ee7a c\u1ee7a c\u00e1c cacbua eta si\u00eau m\u1ecbn. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a d\u1ee5ng c\u1ee5, gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 \u0111\u1ea3m b\u1ea3o khe h\u1edf c\u1eaft kh\u00f4ng b\u1ecb thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ed1c \u0111\u1ed9 cao k\u00e9o d\u00e0i.<\/p>\r\n<h3>C\u00e2u 9: Qu\u00e1 tr\u00ecnh nitriding plasma tr\u00ean l\u01b0\u1ee1i m\u00e1y x\u1ebb r\u00e3nh c\u00f3 m\u1ee5c \u0111\u00edch g\u00ec, v\u00e0 li\u1ec7u n\u00f3 c\u00f3 l\u00e0m cho d\u1ee5ng c\u1ee5 tr\u1edf n\u00ean gi\u00f2n kh\u00f4ng?<\/h3>\r\n<p><strong>A9:<\/strong> Qu\u00e1 tr\u00ecnh nitriding plasma khu\u1ebfch t\u00e1n nit\u01a1 v\u00e0o b\u1ec1 m\u1eb7t l\u01b0\u1ee1i dao \u0111\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp v\u1ecf ngo\u00e0i c\u1ee9ng, ch\u1ed1ng m\u00e0i m\u00f2n (\u0111\u1ed9 d\u00e0y 0,05\u20130,10 mm, HV 900\u20131100) trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a l\u00f5i. V\u00ec l\u1edbp nitriding m\u1ecfng v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t l\u00f5i ch\u1eafc ch\u1eafn, n\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n m\u00e0 kh\u00f4ng l\u00e0m cho to\u00e0n b\u1ed9 l\u01b0\u1ee1i dao tr\u1edf n\u00ean gi\u00f2n.<\/p>\r\n<h3>C\u00e2u 10: B\u1ec1 m\u1eb7t b\u00ean \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng nh\u01b0 g\u01b0\u01a1ng (Ra &lt; 0,2 \u00b5m) gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1eaft nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\r\n<p><strong>A10:<\/strong> B\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng nh\u01b0 g\u01b0\u01a1ng gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c v\u1ebft m\u00e0i si\u00eau nh\u1ecf, n\u01a1i c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t, gi\u1ea3m thi\u1ec3u ma s\u00e1t v\u1edbi d\u1ea3i kim lo\u1ea1i \u0111ang chuy\u1ec3n \u0111\u1ed9ng v\u00e0 gi\u00fap ng\u0103n ng\u1eeba kim lo\u1ea1i m\u1ec1m b\u00e1m d\u00ednh v\u00e0o d\u1ee5ng c\u1ee5. N\u00f3 c\u0169ng l\u00e0m gi\u1ea3m l\u1ef1c c\u1ea3n ma s\u00e1t v\u00e0 h\u1ea1n ch\u1ebf s\u1ef1 t\u00edch t\u1ee5 b\u1ee5i s\u1eaft d\u1ecdc theo d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t.<\/p>\r\n<h3>C\u00e2u 11: C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 DLC (carbon gi\u1ed1ng kim c\u01b0\u01a1ng) khi x\u1ebb th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao kh\u00f4ng?<\/h3>\r\n<p><strong>A11:<\/strong> Nh\u00ecn chung l\u00e0 kh\u00f4ng. M\u1eb7c d\u00f9 l\u1edbp ph\u1ee7 DLC c\u00f3 h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ef1c th\u1ea5p, nh\u01b0ng ch\u00fang r\u1ea5t m\u1ecfng v\u00e0 c\u1ee9ng. D\u01b0\u1edbi l\u1ef1c n\u00e9n c\u1ef1c m\u1ea1nh c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1eaft th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, ma tr\u1eadn th\u00e9p b\u00ean d\u01b0\u1edbi c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng nh\u1eb9, khi\u1ebfn l\u1edbp ph\u1ee7 DLC gi\u00f2n b\u1ecb n\u1ee9t v\u00e0 bong tr\u00f3c. DLC ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m, d\u00ednh nh\u01b0 nh\u00f4m ho\u1eb7c \u0111\u1ed3ng.<\/p>\r\n<h3>C\u00e2u 12: \u0110\u1ed9 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 x\u1ebb t\u1ea5m th\u00e9p cacbon trung b\u00ecnh l\u00e0 bao nhi\u00eau?<\/h3>\r\n<p><strong>A12:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea5m th\u00e9p cacbon ti\u00eau chu\u1ea9n (d\u00e0y t\u1eeb 1,0mm \u0111\u1ebfn 2,5mm), \u0111\u1ed9 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m theo chi\u1ec1u d\u1ecdc t\u1ed1i \u01b0u n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,3 mm \u0111\u1ebfn 0,6 mm. \u0110\u1ed9 s\u00e2u n\u00e0y gi\u00fap t\u1ea1o ra v\u1ebft c\u1eaft s\u1ea1ch m\u00e0 kh\u00f4ng g\u00e2y \u00e1p l\u1ef1c kh\u00f4ng c\u1ea7n thi\u1ebft l\u00ean \u1ed5 tr\u1ee5c ch\u00ednh c\u1ee7a m\u00e1y c\u1eaft.<\/p>\r\n<h3>C\u00e2u 13: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng s\u1ee9t m\u1ebb c\u1ea1nh khi x\u1ebb cu\u1ed9n th\u00e9p b\u1ecb cong v\u00eanh ho\u1eb7c kh\u00f4ng b\u1eb1ng ph\u1eb3ng?<\/h3>\r\n<p><strong>A13:<\/strong> C\u00e1c cu\u1ed9n d\u00e2y b\u1ecb cong v\u00eanh t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng ngang kh\u00f3 l\u01b0\u1eddng v\u00e0 l\u1ef1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng \u0111\u1ec1u khi ch\u00fang \u0111i qua l\u01b0\u1ee1i dao. Trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y, th\u00e9p c\u00f4ng c\u1ee5 H13 bi\u1ebfn t\u00ednh composite W+Ni \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb, lo\u1ea1i th\u00e9p n\u00e0y cung c\u1ea5p \u0111\u1ed9 b\u1ec1n ma tr\u1eadn cao \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c c\u00fa s\u1ed1c \u0111\u1ed9t ng\u1ed9t, k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t g\u00f3c v\u00e1t nh\u1ecf b\u1ea3o v\u1ec7 tr\u00ean c\u1ea1nh c\u1eaft.<\/p>\r\n<h3>C\u00e2u 14: Ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t kh\u00f4ng dung sai \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc c\u00e1nh qu\u1ea1t kh\u00f4ng quan tr\u1ecdng l\u00e0 g\u00ec?<\/h3>\r\n<p><strong>A14:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00f4ng quan tr\u1ecdng ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c ghi ch\u00fa \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ISO 2768-mK, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi b\u1ed9 ph\u1eadn.<\/p>\r\n<h3>C\u00e2u 15: Dao c\u1eaft quay c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf bao l\u00e2u m\u1ed9t l\u1ea7n trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec?<\/h3>\r\n<p><strong>A15:<\/strong> Dao c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra h\u1ea1t t\u1eeb t\u00ednh (MPI) trong m\u1ed7i chu k\u1ef3 m\u00e0i l\u1ea1i \u0111\u1ecbnh k\u1ef3. Vi\u1ec7c m\u00e0i tr\u00ean c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n ch\u00fang c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c v\u1ebft n\u1ee9t s\u00e2u h\u01a1n, d\u1eabn \u0111\u1ebfn h\u1ecfng l\u01b0\u1ee1i dao \u0111\u1ed9t ng\u1ed9t khi d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i s\u1eed d\u1ee5ng.<\/p>\r\n<h3>C\u00e2u 16: Lo\u1ea1i \u0111\u00e1 m\u00e0i n\u00e0o \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 m\u00e0i l\u1ea1i l\u01b0\u1ee1i dao H13 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn?<\/h3>\r\n<p><strong>A16:<\/strong> N\u00ean s\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i Cubic Boron Nitride (CBN) li\u00ean k\u1ebft th\u1ee7y tinh, k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t l\u00e0m m\u00e1t t\u1ed5ng h\u1ee3p h\u00f2a tan trong n\u01b0\u1edbc c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao. Tr\u00e1nh s\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i oxit nh\u00f4m th\u00f4ng th\u01b0\u1eddng v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao l\u1edbn, v\u00ec nhi\u1ec7t ma s\u00e1t sinh ra c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u00f4i luy\u1ec7n c\u1ee5c b\u1ed9 v\u00e0 ch\u00e1y m\u00e0i tr\u00ean th\u00e9p d\u1ee5ng c\u1ee5.<\/p>\r\n<h3>C\u00e2u 17: T\u1ea1i sao dung sai l\u1ed7 khoan nh\u1ecf l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb r\u00e3nh t\u1ed1c \u0111\u1ed9 cao?<\/h3>\r\n<p><strong>A17:<\/strong> L\u1ed7 t\u00e2m th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi dung sai H5 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 v\u1eeba kh\u00edt v\u00e0 ch\u00ednh x\u00e1c v\u1edbi tr\u1ee5c m\u00e1y c\u1eaft. B\u1ea5t k\u1ef3 khe h\u1edf qu\u00e1 l\u1edbn n\u00e0o gi\u1eefa l\u1ed7 t\u00e2m v\u00e0 tr\u1ee5c s\u1ebd khi\u1ebfn dao quay l\u1ec7ch t\u00e2m m\u1ed9t ch\u00fat, d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i tu\u1ea7n ho\u00e0n v\u1ec1 \u0111\u1ed9 ch\u1ed3ng ch\u00e9o xuy\u00ean t\u00e2m v\u00e0 t\u1ea1o ra v\u1ebft c\u1eaft kh\u00f4ng \u0111\u1ec1u v\u1edbi c\u00e1c g\u1edd kh\u00f4ng li\u00ean t\u1ee5c.<\/p>\r\n<h3>C\u00e2u 18: Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t sinh nhi\u1ec1u b\u1ee5i s\u1eaft xung quanh c\u1ee5m m\u00e1y x\u1ebb r\u00e3nh?<\/h3>\r\n<p><strong>A18:<\/strong> L\u01b0\u1ee3ng b\u1ee5i s\u1eaft d\u01b0 th\u1eeba th\u01b0\u1eddng do v\u1eadt li\u1ec7u c\u1ecd x\u00e1t v\u00e0o c\u00e1c c\u1ea1nh l\u01b0\u1ee1i dao th\u00f4 r\u00e1p (Ra &gt;0,8\u03bcm) ho\u1eb7c do khe h\u1edf qu\u00e1 nh\u1ecf, l\u00e0m m\u00e0i m\u00f2n c\u00e1c c\u1ea1nh \u0111\u00e3 c\u1eaft. N\u00e2ng c\u1ea5p l\u00ean b\u1ec1 m\u1eb7t l\u01b0\u1ee1i dao \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng nh\u01b0 g\u01b0\u01a1ng (Ra &lt;0,2\u03bcm) s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 ma s\u00e1t n\u00e0y v\u00e0 h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng b\u1ee5i.<\/p>\r\n<h3>C\u00e2u 19: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1eefa th\u00e9p n\u1ec1n (Caldie) v\u00e0 th\u00e9p luy\u1ec7n kim b\u1ed9t (ASP 23)?<\/h3>\r\n<p><strong>A19:<\/strong> Ch\u1ecdn th\u00e9p ma tr\u1eadn n\u1ebfu th\u00e1ch th\u1ee9c ch\u00ednh c\u1ee7a b\u1ea1n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t l\u01b0\u1ee1i ho\u1eb7c c\u00e1c va \u0111\u1eadp c\u01a1 h\u1ecdc m\u1ea1nh t\u1eeb c\u00e1c t\u1ea5m th\u00e9p d\u00e0y v\u00e0 c\u1ee9ng. Ch\u1ecdn th\u00e9p luy\u1ec7n kim b\u1ed9t n\u1ebfu m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a b\u1ea1n l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00e2u d\u00e0i v\u00e0 duy tr\u00ec c\u1ea1nh s\u1eafc b\u00e9n, kh\u00f4ng c\u00f3 bavia tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n t\u1ed1c \u0111\u1ed9 cao.<\/p>\r\n<h3>C\u00e2u 20: C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng n\u00f3ng ti\u00eau chu\u1ea9n cho c\u00e1c \u1ee9ng d\u1ee5ng x\u1ebb r\u00e3nh ngu\u1ed9i kh\u00f4ng?<\/h3>\r\n<p><strong>A20:<\/strong> \u0110\u00fang v\u1eady. Th\u00e9p H13 ti\u00eau chu\u1ea9n l\u00e0 lo\u1ea1i th\u00e9p d\u00f9ng trong gia c\u00f4ng n\u00f3ng, nh\u01b0ng \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp cao, \u0111\u1ed9 d\u1ebbo tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n \u0111\u1eb7c bi\u1ec7t cho c\u00e1c d\u00e2y chuy\u1ec1n x\u1ebb th\u00e9p carbon c\u00e1n ngu\u1ed9i v\u00e0 c\u00e1n n\u00f3ng.<\/p>\r\n<p>\u0110\u00e3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh k\u1ef9 thu\u1eadt b\u1edfi: Chuy\u00ean gia luy\u1ec7n kim cao c\u1ea5p t\u1ea1i Maxtor Metal.<\/p>\r\n<hr \/>\r\n<p>Ch\u1ecdn <a href=\"https:\/\/maxtormetal.com\/vi\/about\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ffcc00;\"><em>Nam Kinh Metal c\u00f4ng nghi\u1ec7p<\/em><\/span><\/a>c\u1ee7a l\u01b0\u1ee1i c\u1eaft quay \u0111\u1ec3 s\u1ea3n xu\u1ea5t r\u1ea1ch kim lo\u1ea1i hi\u1ec7u qu\u1ea3 v\u00e0 ch\u00ednh x\u00e1c h\u01a1n, \u0111\u1ed3ng th\u1eddi t\u1eadn h\u01b0\u1edfng s\u1ef1 \u0111\u1ea3m b\u1ea3o v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ec1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\r\n<h4><a href=\"https:\/\/maxtormetal.com\/vi\/brochures\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ffcc00;\"><em>M\u1edf T\u00e0i Li\u1ec7u Qu\u1ea3ng C\u00e1o<\/em><\/span><\/a><\/h4>\r\n<hr \/>\r\n<h2>T\u1ea1i Sao Ch\u1ecdn METAL?<\/h2>\r\n<ol>\r\n<li><strong> D\u1ecbch V\u1ee5 Nh\u1eadp Kh\u1ea9u Tr\u1ecdn G\u00f3i, Kh\u00f4ng R\u1eafc R\u1ed1i<\/strong><\/li>\r\n<\/ol>\r\n<p>T\u1eadn h\u01b0\u1edfng s\u1ef1 ti\u1ec7n l\u1ee3i c\u1ee7a vi\u1ec7c nh\u1eadp kh\u1ea9u li\u1ec1n m\u1ea1ch. T\u1eeb v\u1eadn chuy\u1ec3n \u0111\u1ebfn th\u00f4ng quan, ch\u00fang t\u00f4i x\u1eed l\u00fd to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh. T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n l\u00e0m l\u00e0 thanh to\u00e1n VAT v\u00e0 ch\u1edd h\u00e0ng \u0111\u1ebfn c\u00f4ng ty.<\/p>\r\n<ol start=\"2\">\r\n<li><strong> Gi\u00e1 C\u1ea3 C\u1ea1nh Tranh<\/strong><\/li>\r\n<\/ol>\r\n<p>Ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn l\u01b0\u1ee1i dao c\u1ee7a m\u00ecnh xu\u1ea5t s\u1eafc trong v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng v\u00e0 s\u1eb5n s\u00e0ng x\u1eed l\u00fd b\u1ea5t k\u1ef3 d\u1ef1 \u00e1n n\u00e0o b\u1ea1n giao ph\u00f3 - mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n v\u00e0 m\u1ee9c gi\u00e1 c\u1ea1nh tranh kh\u00f4ng \u0111\u1ed1i th\u1ee7.<\/p>\r\n<ol start=\"3\">\r\n<li><strong> ODM &amp; OEM C\u00f3 S\u1eb5n<\/strong><\/li>\r\n<\/ol>\r\n<p>Cho d\u00f9 b\u1ea1n cung c\u1ea5p b\u1ea3n v\u1ebd, ph\u00e1c th\u1ea3o hay m\u1eabu, ch\u00fang t\u00f4i \u0111\u1ec1u c\u00f3 th\u1ec3 v\u1ebd v\u00e0 s\u1ea3n xu\u1ea5t cho b\u1ea1n. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 s\u1eeda \u0111\u1ed5i c\u00e1c thi\u1ebft k\u1ebf v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7n c\u00f3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n h\u1ea7u h\u1ebft m\u1ecdi \u1ee9ng d\u1ee5ng d\u1ee5ng c\u1ee5 c\u00f4ng nghi\u1ec7p. Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng chuy\u00ean tr\u00e1ch c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\r\n<ol start=\"4\">\r\n<li><strong> Ki\u1ec3m So\u00e1t Ch\u1ea5t L\u01b0\u1ee3ng Nghi\u00eam Ng\u1eb7t<\/strong><\/li>\r\n<\/ol>\r\n<p>M\u1ed9t lo\u1ea1t c\u00e1c th\u1eed nghi\u1ec7m v\u00e0 ki\u1ec3m tra \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, bao g\u1ed3m ki\u1ec3m tra s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean, ki\u1ec3m tra nguy\u00ean v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng.<\/p>\r\n<ol start=\"5\">\r\n<li><strong> Mua S\u1eafm Linh Ho\u1ea1t, H\u1ee3p T\u00e1c Kh\u00f4ng Gi\u1edbi H\u1ea1n<\/strong><\/li>\r\n<\/ol>\r\n<p>D\u00f9 b\u1ea1n l\u00e0 nh\u00e0 nh\u1eadp kh\u1ea9u, nh\u00e0 ph\u00e2n ph\u1ed1i, nh\u00e0 b\u00e1n bu\u00f4n hay ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, ch\u00fang t\u00f4i \u0111\u1ec1u ch\u00e0o \u0111\u00f3n b\u1ea1n tham gia v\u1edbi MOQ t\u1ed1i thi\u1ec3u, kh\u00f4ng r\u1eafc r\u1ed1i khi y\u00eau c\u1ea7u v\u00e0 t\u1ef1 do mua h\u00e0ng h\u01a1n.<\/p>\r\n<ol start=\"6\">\r\n<li><strong> Gi\u00e1m S\u00e1t N\u01b0\u1edbc Ngo\u00e0i, B\u00e1o C\u00e1o Ti\u1ebfn \u0110\u1ed9 S\u1ea3n Xu\u1ea5t Th\u1eddi Gian Th\u1ef1c<\/strong><\/li>\r\n<\/ol>\r\n<p>Tr\u1edf th\u00e0nh ng\u01b0\u1eddi gi\u00e1m s\u00e1t \u0111\u1ed9c quy\u1ec1n c\u1ee7a b\u1ea1n, truy\u1ec1n t\u1ea3i th\u01b0\u1eddng xuy\u00ean m\u1ecdi n\u00fat quan tr\u1ecdng trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, d\u00f9 \u1edf xa \u0111\u1ebfn \u0111\u00e2u, ti\u1ebfn \u0111\u1ed9 c\u1ee7a s\u1ea3n ph\u1ea9m s\u1ebd \u0111\u01b0\u1ee3c n\u1eafm b\u1eaft m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\r\n<hr \/>\r\n<h2>L\u01b0\u1ee1i c\u1eaft con l\u0103n Hi\u1ec3n th\u1ecb:<\/h2>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4853\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"792\" height=\"525\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111.jpg 1630w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-300x199.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-1024x678.jpg 1024w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-768x509.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-1536x1018.jpg 1536w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-18x12.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247111-600x398.jpg 600w\" sizes=\"(max-width: 792px) 100vw, 792px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4850\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/11.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"791\" height=\"593\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/11.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/11-300x225.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/11-16x12.jpg 16w\" sizes=\"(max-width: 791px) 100vw, 791px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4851 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"790\" height=\"706\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211.jpg 790w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211-300x268.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211-768x686.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211-13x12.jpg 13w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247211-600x536.jpg 600w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4852 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"790\" height=\"626\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311.jpg 790w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311-300x238.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311-768x609.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311-15x12.jpg 15w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311-600x475.jpg 600w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4854 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"790\" height=\"590\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211.jpg 790w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211-300x224.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211-768x574.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211-16x12.jpg 16w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247211-600x448.jpg 600w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4855 size-full\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311.jpg\" alt=\"l\u01b0\u1ee1i c\u1eaft con l\u0103n\" width=\"790\" height=\"757\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311.jpg 790w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311-300x287.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311-768x736.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311-13x12.jpg 13w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u6eda\u526a\u673a\u5200\u7247311-600x575.jpg 600w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n<hr \/>\r\n<h2>Video:<\/h2>\r\n<p><iframe loading=\"lazy\" title=\"L\u01b0\u1ee1i c\u1eaft cu\u1ed9n cho d\u00e2y chuy\u1ec1n r\u1ea1ch cu\u1ed9n Metal\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/aYO-UviiYkg?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/maxtormetal.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\r\n<hr \/>\r\n<h2>B\u00e0i Vi\u1ebft Li\u00ean Quan:<\/h2>\r\n<ol>\r\n<li class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/maxtormetal.com\/vi\/choose-use-regrind-slitter-blades\/\" target=\"_blank\" rel=\"noopener\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn, s\u1eed d\u1ee5ng v\u00e0 m\u00e0i l\u1ea1i l\u01b0\u1ee1i c\u1eaft th\u00e9p t\u1ea5m?<\/a><\/li>\r\n<li>\r\n<p class=\"elementor-heading-title elementor-size-default\">\u00a0<a href=\"https:\/\/maxtormetal.com\/vi\/metal-cutting-blade-materials-chinese-suppliers\/\" target=\"_blank\" rel=\"noopener\">8 lo\u1ea1i v\u1eadt li\u1ec7u l\u01b0\u1ee1i c\u1eaft kim lo\u1ea1i \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 cung c\u1ea5p Trung Qu\u1ed1c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/a><\/p>\r\n<\/li>\r\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>1. High-Precision Roller Shearing Blades &amp; Rotary Slitter Knives At Maxtor Metal, we manufacture rotary slitter knives and roller shear blades for high-speed metal slitting lines and side trimmers, where they function as overlapping cutting tools. Operating through synchronized, paired upper and lower rotary movements, these tools execute continuous, chipless longitudinal slitting on cold-rolled, hot-rolled, [&hellip;]<\/p>\n","protected":false},"featured_media":3132,"template":"","meta":[],"product_cat":[107,114,98],"product_tag":[399,398],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High-Precision Rotary Slitter Knives &amp; Roller Shearing Blades<\/title>\n<meta name=\"description\" content=\"Industrial rotary sitter knives and roller shear blades for heavy-duty metal coil processing. Engineered for minimal axial runout &amp; maximum edge retention\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/maxtormetal.com\/vi\/san-pham\/luoi-dao-cat-cuon\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Roller shearing blades\" \/>\n<meta property=\"og:description\" content=\"Industrial rotary sitter knives and roller shear blades for heavy-duty metal coil processing. Engineered for minimal axial runout &amp; maximum edge retention\" \/>\n<meta property=\"og:url\" content=\"https:\/\/maxtormetal.com\/vi\/san-pham\/luoi-dao-cat-cuon\/\" \/>\n<meta property=\"og:site_name\" content=\"Maxtor Metal | Custom Industrial Blade Manufacturer &amp; Supplier\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/maxtormetalindustrial\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-20T05:41:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Rotary-Cutter-Blades-main21.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\/\/maxtormetal.com\/product\/roller-shearing-blades\/\",\"url\":\"https:\/\/maxtormetal.com\/product\/roller-shearing-blades\/\",\"name\":\"High-Precision Rotary Slitter Knives & Roller Shearing Blades\",\"isPartOf\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/roller-shearing-blades\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/roller-shearing-blades\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Rotary-Cutter-Blades-main21.jpg\",\"datePublished\":\"2023-10-07T02:05:47+00:00\",\"dateModified\":\"2026-07-20T05:41:51+00:00\",\"description\":\"Industrial rotary sitter knives and roller shear blades for heavy-duty metal coil processing. 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