{"id":2974,"date":"2023-10-05T21:48:25","date_gmt":"2023-10-05T13:48:25","guid":{"rendered":"https:\/\/maxtormetal.com\/?post_type=product&#038;p=2974"},"modified":"2026-06-15T12:08:28","modified_gmt":"2026-06-15T04:08:28","slug":"laminas-circulares","status":"publish","type":"product","link":"https:\/\/maxtormetal.com\/pt\/produto\/laminas-circulares\/","title":{"rendered":"L\u00e2minas de Facas Circulares Industriais"},"content":{"rendered":"<h2 data-sourcepos=\"1:1-1:34\">Fundamentos T\u00e9cnicos de Facas Circulares<\/h2>\r\n<p>As facas circulares de corte longitudinal de precis\u00e3o (tamb\u00e9m referidas como facas rotativas de corte ou l\u00e2minas circulares de fenda) utilizam uma cinem\u00e1tica rotativa cont\u00ednua em conjunto com uma contra-faca inferior (Corte por Cisalhamento), uma configura\u00e7\u00e3o de l\u00e2mina\/gilete (Corte por L\u00e2mina de Barbear) ou um rolo bigorna temperado (Corte por Esmagamento) para executar cortes longitudinais ininterruptos, fatiamento, rebobinamento ou vinco de bobinas em movimento. Essas ferramentas rotativas avan\u00e7adas s\u00e3o projetadas especificamente para rebobinadoras de corte de alta capacidade, cortadeiras-vincadeiras de papel\u00e3o ondulado e linhas autom\u00e1ticas de corte de eletrodos de baterias de \u00edons de l\u00edtio.<\/p>\r\n<h3>1.1 OEM System Compatibility<\/h3>\r\n<p>This technical standard is engineered to meet or exceed the performance parameters of leading international slitting machinery manufacturers, including Kampf, Atlas, Goebel, Pasaban, Valmet, Dienes, Tidland, and ASHE.<\/p>\r\n<h3>1.2 Core Engineering Parameter Matrix<\/h3>\r\n<table width=\"624\">\r\n<tbody>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Engineering Parameter<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p><strong>Li-ion Electrode &amp; Foil Classification<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p><strong>High-Speed Film, Tape &amp; Paper<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p><strong>Heavy-Duty Silicon Steel &amp; Slitting Lines<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Materiais recomendados<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Sub-micron Tungsten Carbide (WC)<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>M2\/M42 HSS, SK5, SK7, 1065 Carbon<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>DC53, LD, D2 (1.2379) \/ SKD11<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Hardness Matrix<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>HRA 89 \u2013 93<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>HRC 62 \u2013 64 (HSS) \/ HRC 56 \u2013 60<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>HRC 60 \u2013 63 (DC53\/LD)<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Outer Diameter (OD) Range<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>40mm \u2013 350mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>100mm \u2013 680mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>80mm \u2013 500mm<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Inner Diameter (Bore) Tolerance<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>H7 \/ G6 Precision Slide Fit<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>H7 Standard Fit<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>H7 Precision Fit<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Toler\u00e2ncia de espessura<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u00b1 0.001mm to \u00b1 0.002mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u00b1 0.005mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u00b1 0.003mm<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>axial (oscila\u00e7\u00e3o lateral)<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>&lt; 0.005mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>&lt; 0.015mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>&lt; 0.010mm<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Radial Runout (Out-of-Round)<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u22640.010mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u22640.020mm<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>\u22640.015mm<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Cutting Edge Roughness (Ra)<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 0.4\u00b5m (Mirror Polish)<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 0.8\u00b5m<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 0.6\u00b5m<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Side Face Roughness (Ra)<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 0.8\u00b5m<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 1.6\u00b5m<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>Ra &lt; 1.2\u00b5m<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"156\">\r\n<p><strong>Dimensional Standard<\/strong><\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>ISO 2768-mK<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>ISO 2768-mK<\/p>\r\n<\/td>\r\n<td width=\"156\">\r\n<p>ISO 2768-mK<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>Vis\u00e3o Geral da Engenharia de Produto: Cinem\u00e1tica de Cisalhamento Rotativo e Desgaste Tribol\u00f3gico<\/h2>\r\n<p>In modern high-speed longitudinal slitting systems, the cutting edge of a circular blade experiences complex <strong>cyclic shear stress fields<\/strong> combined with high-velocity <strong>three-body abrasive wear<\/strong>. Because the tool rotates continuously, every discrete micro-segment along the blade&#8217;s circumference undergoes a rapid transition into and out of the material stress zone, rendering it highly susceptible to rolling contact fatigue.<\/p>\r\n<h3>2.1 Kinematics of the Shear Overlap Zone<\/h3>\r\n<p>In a synchronized shear slitting system (where the upper male blade overlaps and intersects with the lower female blade), the quality of the slit edge is governed by the configuration of the overlapping geometry:<\/p>\r\n<ul>\r\n<li><strong>Axial Side Clearance:<\/strong> For metallic foils, hard polymers, and silicon sheets, the physical horizontal gap between the upper and lower knives must be held strictly between 0.002mm and 0.01mm. If this clearance is exceeded, the substrate experiences localized bending and tensile elongation rather than true shear, generating catastrophic burrs. Conversely, an insufficient gap causes micro-rubbing, forcing an exponential increase in localized compressive stress and accelerating micro-chipping. For soft materials like paper and tissue, spring-loaded setups utilizing a constant pneumatic or mechanical axial preload are implemented to achieve a self-adjusting &#8220;zero-clearance&#8221; plane.<\/li>\r\n<li><strong><a href=\"https:\/\/maxtormetal.com\/pt\/slitter-overlap-depth-clearance-coptimization\/\" target=\"_blank\" rel=\"noopener\"><em>Overlap Depth<\/em><\/a>:<\/strong> The vertical intersection depth of the male blade into the female channel must be calibrated between 0.5mm and 1.5mm. Excessive overlap depth increases the lateral friction contact area between the sides of the blades, transforming rotational kinetic energy into localized thermal energy, which softens the martensitic matrix of the cutting tip.<\/li>\r\n<\/ul>\r\n<h3>2.2 Fatigue Micro-Fractures &amp; Dust Generation Kinetics<\/h3>\r\n<p>When a circular slitter runs at high linear velocities (e.g., 400\u20131200 m\/min), any microscopic deviation in edge roughness (Ra) or structural homogeneity acts as a stress concentrator. As the blade dulls, the failure mode of the substrate shifts from clean shearing to compressive fracture. This transition creates micro-cracks in brittle coatings (such as battery cathode slurries) or fibers, discharging large quantities of microscopic debris and airborne dust. This dust can migrate onto the face of the blade, changing the friction coefficient (\u03bc) and triggering a destructive thermal loop.<\/p>\r\n<h2>Aplica\u00e7\u00f5es Industriais: An\u00e1lise Espec\u00edfica por Setor<\/h2>\r\n<h3>3.1 Lithium-Ion Battery Electrode Slitting<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> Copper foil, aluminum foil, and substrates double-coated with highly abrasive lithium iron phosphate (LFP) or nickel-manganese-cobalt (NMC) chemistries.<\/li>\r\n<li><strong>Machinery:<\/strong> High-precision automated battery electrode slitting lines.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> The abrasive slurry contains hard ceramic-like particles that aggressively erode iron-based matrices. This application mandates <strong>Sub-micron Grain Tungsten Carbide (WC)<\/strong> with an HRA of 89\u201393. Thickness tolerances must be held to \u00b10.001mm to prevent axial tracking drift, which eliminates coating delamination and edge detachment on the current collector.<\/li>\r\n<\/ul>\r\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7671  aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703.jpg\" alt=\"circular Carbide slitter\" width=\"444\" height=\"441\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-300x298.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-768x763.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-600x596.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/05\/20260430_130703-100x100.jpg 100w\" sizes=\"(max-width: 444px) 100vw, 444px\" \/><\/p>\r\n<h3>3.2 High-Velocity Polymer Film Conversion<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> High-tensile BOPP, PET, and PI (Polyimide) films.<\/li>\r\n<li><strong>Machinery:<\/strong> Kampf, Goebel, and Atlas high-speed slitter rewinders.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> Thin polymer webs running at velocities exceeding 600 m\/min are highly prone to static accumulation and frictional dragging. Thin-gauge circular blades made of <strong>SK5, SK7, or High-Carbon 1065 Spring Steel<\/strong> are specified. The cutting bevel must feature a mirror finish of Ra &lt; 0.4\u00b5m to eliminate micro-grooves that pull on the polymer chains, preventing tensile tearing and static dust draw.<\/li>\r\n<\/ul>\r\n<h3>3.3 Silicon Steel &amp; Transformer Core Slitting<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> Oriented and non-oriented electrical silicon steel sheets with high silicon content.<\/li>\r\n<li><strong>Machinery:<\/strong> Heavy-duty rotary gang slitting lines.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> Silicon steel exerts extreme elastic deformation resistance, creating severe counter-reactive normal forces during shearing. Conventional D2\/SKD11 blades frequently suffer from localized chipping under these cyclic shocks. <strong>DC53 or LD Steel<\/strong> (HRC 60\u201363) is mandatory here, leveraging its uniform carbide distribution to absorb high-impact mechanical stress.<\/li>\r\n<\/ul>\r\n<h3>3.4 Advanced Composite Prepreg Conversion<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> Carbon fiber prepregs, fiberglass weaves, and resin-impregnated multi-layer textiles.<\/li>\r\n<li><strong>Machinery:<\/strong> Continuous-feed rotary cutter modules.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> Structural fibers possess extreme abrasive characteristics that blunt standard steel edges within hours. <strong>M2 or M42 High-Speed Steel (HSS)<\/strong> (HRC 62\u201364) enhanced with a physical vapor deposition (PVD) TiAlN coating is recommended. The coating acts as a thermal barrier, preserving the underlying edge hardness against continuous dry friction.<\/li>\r\n<\/ul>\r\n<h3>3.5 Sterile Food &amp; Pharmaceutical Packaging Conversion<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> Multi-layer aluminum-plastic laminates and sterile medical pouch films.<\/li>\r\n<li><strong>Machinery:<\/strong> Cleanroom-compliant slitting lines.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> To prevent web delamination and meet rigorous sanitary standards, blades must resist oxidation when exposed to humidity or sanitizing agents. High-chromium <strong>Martensitic Stainless Steels (420 or 440C)<\/strong> are selected and optimized to a hardness of HRC 48\u201356, achieving a stable balance between corrosion resistance and edge acuity.<\/li>\r\n<\/ul>\r\n<h3>3.6 High-Speed Corrugated Board Slitting &amp; Scoring<\/h3>\r\n<ul>\r\n<li><strong>Substrates:<\/strong> Heavy multi-wall corrugated board and linerboards.<\/li>\r\n<li><strong>Machinery:<\/strong> High-speed corrugated slitter scorers.<\/li>\r\n<li><strong>Engineering Requirements:<\/strong> The medium runs at high speeds and contains abrasive recycled fibers and silica particles. Tooling requires exceptional resistance to impact and abrasion. <strong>A\u00e7o r\u00e1pido M2<\/strong> is widely utilized, and the blades must be configured with an axial runout of &lt;0.015mm to eliminate side-to-side wobble that causes crushed flutes or excess paper debris.<\/li>\r\n<\/ul>\r\n<h2>4.Problemas de Falha Comuns e Solu\u00e7\u00f5es de Engenharia<\/h2>\r\n<h3>4.1 Problem: Severe Slitting Dust Generation<\/h3>\r\n<ul>\r\n<li><strong>Root Cause:<\/strong> Micro-nicks along the ground bevel or an uncalibrated axial side clearance force the blade to crush the substrate instead of shearing it. This mechanical crushing fractures fibers and coatings, generating significant debris.<\/li>\r\n<li><strong>Engineering Solution (Trade-Off Model):<\/strong> Specify a <strong>Super-Fine Mirror Polish<\/strong> on the blade bevels and faces, reducing the roughness to Ra &lt; 0.1\u00b5m. While mirror polishing increases production cycle times and manufacturing costs by approximately 20%, it minimizes initial grinding micro-cracks and material dragging, reducing slitting dust by up to 80%.<\/li>\r\n<\/ul>\r\n<h3>4.2 Problem: Intermittent Edge Chipping (Micro-Chipping)<\/h3>\r\n<ul>\r\n<li><strong>Root Cause:<\/strong> High-hardness substrates (e.g., silicon steel, dense coatings) generate normal forces that exceed the fracture toughness of the blade&#8217;s alloy matrix. This issue is magnified by the presence of large, segregated primary carbides in standard cold-work steels like D2\/SKD11.<\/li>\r\n<li><strong>Engineering Solution:<\/strong> Replace D2\/SKD11 with <strong>DC53 or LD Tool Steel<\/strong> tempered to HRC 60\u201363. DC53 undergoes a refining process that yields a fine, uniform matrix with double the impact toughness of SKD11, preventing micro-chipping under cyclic loads.<\/li>\r\n<\/ul>\r\n<h3>4.3 Problem: S-Curve Profile or &#8220;Snake Cuts&#8221;<\/h3>\r\n<ul>\r\n<li><strong>Root Cause:<\/strong> Excessive <a href=\"https:\/\/maxtormetal.com\/pt\/axial-runout-slitting-edge-quality\/\" target=\"_blank\" rel=\"noopener\"><em><strong>axial (oscila\u00e7\u00e3o lateral)<\/strong><\/em><\/a> causes the blade to deviate horizontally during rotation. This issue can also be caused by <a href=\"https:\/\/maxtormetal.com\/pt\/slit-width-variation-troubleshooting-controlling-cumulative-thickness-tolerance-in-multi-knife-slitting\/\" target=\"_blank\" rel=\"noopener\"><em><strong>cumulative thickness tolerances across a gang-slitting setup<\/strong><\/em><\/a> or an inadequate bore-to-shaft fit.<\/li>\r\n<li><strong>Engineering Solution:<\/strong> Tighten the blade&#8217;s thickness tolerance to \u00b10.001mm and restrict the maximum allowable axial runout to &lt;0.005mm via dynamic balancing and precision side grinding. Ensure the bore diameter follows an H7 or G6 slide-fit protocol to eliminate shaft eccentricity.<\/li>\r\n<\/ul>\r\n<h3>4.4 Problem: Adhesive Accumulation and &#8220;Galling&#8221; (Material Sticking)<\/h3>\r\n<ul>\r\n<li><strong>Root Cause:<\/strong> When slitting pressure-sensitive adhesives, protective films, or soft aluminum foils, frictional heat causes adhesive polymers to melt or ductile metal to cold-weld onto the micro-roughness of the blade faces.<\/li>\r\n<li><strong>Engineering Solution:<\/strong> Implement targeted surface modification coatings. For adhesive-backed tapes, apply a <strong>Hydrophobic Fluoropolymer (PTFE\/Teflon) Coating<\/strong>. For non-ferrous aluminum\/copper slitting, apply a <strong>Revestimento de carbono tipo diamante (DLC)<\/strong>. The extreme hardness and minimal friction coefficient of DLC stop material transfer at the atomic level. Note that coated blades cannot be conventionally resharpened on their faces; they require specialized edge-only grinding or recoating.<\/li>\r\n<\/ul>\r\n<h2>Guia de Engenharia de Materiais: Perfis Metal\u00fargicos<\/h2>\r\n<p>The rotational kinematics of circular cutting demand tool materials that offer balanced resistance to rolling contact fatigue, compression, and abrasive wear.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7773\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Knife-Material-Optimization-Matrix.png\" alt=\"Circular Slitter Knife Material Optimization Matrix\" width=\"345\" height=\"471\" \/><\/p>\r\n<ol>\r\n<li><strong>Sub-micron Grain Tungsten Carbide (WC)<\/strong>\r\n<ul>\r\n<li><em>Metallurgical Matrix:<\/em> Composed of ultra-fine sub-micron tungsten carbide hard phases bonded within a high-toughness cobalt (Co) matrix, with an average grain diameter of \u22640.6\u03bc m.<\/li>\r\n<li><em>Mechanical Profile:<\/em> Provides exceptional hardness (HRA 89\u201393) and excellent resistance to abrasive slurry wear. However, it exhibits low bending strength and high brittleness; any metal-to-metal collision or foreign body impact will cause catastrophic fracturing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>DC53 \/ LD Matrix Steel<\/strong>\r\n<ul>\r\n<li><em>Metallurgical Matrix:<\/em> A cold-work tool steel designed to eliminate the coarse, segregated primary chromium carbides characteristic of traditional D2\/SKD11 steels.<\/li>\r\n<li><em>Mechanical Profile:<\/em> Achieves a heat-treated hardness of HRC 60\u201363. Its uniform microstructure yields double the impact toughness of SKD11, making it highly effective at preventing edge chipping when shearing high-tensile metals or thick polymers.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>M2 \/ M42 High-Speed Steel (HSS)<\/strong>\r\n<ul>\r\n<li><em>Metallurgical Matrix:<\/em> Heavily alloyed with Tungsten (W), Molybdenum (Mo), Chromium (Cr), and Vanadium (V) to form a dense distribution of thermally stable M<sub>6<\/sub>C and MC secondary carbides.<\/li>\r\n<li><em>Mechanical Profile:<\/em> Possesses high &#8220;Red Hardness&#8221; (retaining structural integrity up to 500\u00b0C) and excellent impact resistance. This makes it suitable for high-speed corrugated paper and composite conversion lines experiencing high-frequency friction.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>440C &amp; 420 Martensitic Stainless Steels<\/strong>\r\n<ul>\r\n<li><em>Metallurgical Matrix:<\/em> Contains 12%\u201318% Chromium, which forms a passive chromium oxide film upon thermal hardening, embedded within a tempered martensitic matrix.<\/li>\r\n<li><em>Mechanical Profile:<\/em> Delivers a controlled hardness of HRC 48\u201356. It provides reliable protection against oxidation, pitting, and chemical exposure in humid or sterile food and pharmaceutical converting facilities.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<h2>Tratamento T\u00e9rmico e Dureza: L\u00f3gica de Modifica\u00e7\u00e3o T\u00e9rmica<\/h2>\r\n<p>The dimensional stability and edge retention of a circular blade depend heavily on its internal crystalline matrix. Thermal processing errors will cause axial warping and distortion under high-speed rotation.<\/p>\r\n<h3>6.1 Multi-Stage Vacuum Gas Quenching &amp; Tempering<\/h3>\r\n<p>To prevent decarburization and surface oxidation, all steel slitter blanks undergo heat treatment inside a high-vacuum furnace operating at 10<sup>-3<\/sup>mbar. The blades are brought up through multi-stage preheating cycles to eliminate thermal gradients and prevent warping in thin-disc configurations. They are austenitized at 1020\u2103-1100\u2103(depending on the alloy grade) and quenched using high-pressure, high-purity nitrogen gas (6\u201310 bar). This is followed by three distinct tempering cycles to minimize residual internal stresses.<\/p>\r\n<h3>6.2 Cryogenic Transformation for Ultra-Precise Tolerances<\/h3>\r\n<p>For high-specification applications requiring sub-micron thickness tolerances (\u00b10.001mm), a comprehensive <strong>Deep Cryogenic Treatment (Sub-Zero Liquid Nitrogen Soaking at -196\u00b0C)<\/strong> is performed:<\/p>\r\n<p><em> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7774 size-full aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/From-Retained-Austenite-to-stable-Martensite.png\" alt=\"From Retained Austenite to stable Martensite\" width=\"530\" height=\"63\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/From-Retained-Austenite-to-stable-Martensite.png 530w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/From-Retained-Austenite-to-stable-Martensite-300x36.png 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/From-Retained-Austenite-to-stable-Martensite-18x2.png 18w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/em><\/p>\r\n<p>Cryogenic processing drives the near-total conversion of unstable retained austenite into hardened martensite while precipitating ultra-fine secondary \\eta-carbides throughout the matrix. This provides two key engineering benefits:<\/p>\r\n<ul>\r\n<li><strong>Elimination of Thermal Distortion:<\/strong> It prevents microscopic dimensional shift or axial bowing when the blade warms up under high-speed friction, ensuring a true cutting line.<\/li>\r\n<li><strong>Extended Wear Life:<\/strong> Field performance data indicates that cryogenically treated slitter blades exhibit a 30% or greater increase in wear resistance compared to conventionally treated alternatives.<\/li>\r\n<\/ul>\r\n<h2>7.Geometria da L\u00e2mina e Engenharia do Filo<\/h2>\r\n<p>The geometric tolerances of a circular slitter directly impact its rotational stability. Even minor side-to-side variations can cause wavy cut paths or premature tool failure.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7772  aligncenter\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration.png\" alt=\"Circular Slitter Blade Dimensional Configuration\" width=\"717\" height=\"350\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration.png 770w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration-300x146.png 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration-768x375.png 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration-18x9.png 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-Slitter-Blade-Dimensional-Configuration-600x293.png 600w\" sizes=\"(max-width: 717px) 100vw, 717px\" \/><\/p>\r\n<h3>7.1 Geometric Tolerance Chains<\/h3>\r\n<ul>\r\n<li><strong>Bore-to-Shaft Concentricity:<\/strong> The central bore must be finished to an ISO H7 or G6 tolerance class to establish a precise slide fit with the slitter shaft. A bore clearance error as small as 0.01mm introduces an eccentric rotation axis, magnifying the Radial Runout and causing uneven material engagement.<\/li>\r\n<li><strong>Axial Runout Control:<\/strong> Side wobble must be restricted to &lt;0.005mm for high-precision applications and &lt;0.020mm for general converting. Exceeding these limits causes the overlapping faces of the male and female knives to impact each other during rotation, generating micro-shocks that cause chipping, accelerated face wear, and ragged edges.<\/li>\r\n<\/ul>\r\n<p>For a detailed treatment of ISO 286 fit selection, assembled TIR verification, and the assembly practices that keep runout repeatable at speed, see <a href=\"https:\/\/maxtormetal.com\/pt\/central-bore-tolerance-slitter-knives\/\" target=\"_blank\" rel=\"noopener\"><strong><em>Central Bore Tolerance and Runout: Optimizing ISO 286 Fits for High-Speed Slitter Knives<\/em><\/strong><\/a>.<\/p>\r\n<h3>7.2 Bevel Profiling &amp; Cut Dynamics<\/h3>\r\n<p>Blades can be ground to a Single Bevel, Double Bevel, or Compound Bevel configuration, with included angles ranging from 20\u00b0 to 45\u00b0:<\/p>\r\n<ul>\r\n<li><strong>Acute Bevel Angles (20<\/strong>\u00b0<strong> &#8211; 25<\/strong>\u00b0<strong>):<\/strong> Minimize the specific cutting force (k<sub>c<\/sub>) and drag resistance. This configuration is suitable for delicate, non-woven materials and ultra-thin packaging films, though it offers lower structural edge strength.<\/li>\r\n<li><strong>Obtuse Bevel Angles (35<\/strong>\u00b0<strong> &#8211; 45<\/strong>\u00b0<strong>):<\/strong> Provide a robust wedge profile with excellent mechanical backing. This is the standard configuration for processing tough substrates like silicon steel or abrasive mineral-filled sheets.<\/li>\r\n<\/ul>\r\n<h2>8.Processo de Fabrica\u00e7\u00e3o e Inspe\u00e7\u00e3o de Qualidade<\/h2>\r\n<ol>\r\n<li><strong>Ingot Metallurgy &amp; Consolidation:<\/strong> High-purity tool steel blanks are processed via Electro-Slag Remelting (ESR). For tungsten carbide, blanks are produced using Hot Isostatic Pressing (HIP) vacuum sintering to ensure a void-free, homogeneous structure.<\/li>\r\n<li><strong>CNC Core Machining:<\/strong> Precision turning of the central bore, drive notches, and locating faces to satisfy H7\/G6 specifications.<\/li>\r\n<li><strong>Vacuum Thermal Modification &amp; Deep Cryogenics:<\/strong> Hardening and subsequent sub-zero processing at -196\u00b0C to eliminate residual stresses.<\/li>\r\n<li><strong>Double-Disc Parallel Grinding:<\/strong> Multi-pass grinding under constant-temperature coolant lubrication to achieve flat, parallel sides with a thickness tolerance down to \u00b10.001mm.<\/li>\r\n<li><strong>Rotary Edge Bevel Grinding:<\/strong> Using dedicated high-rigidity grinding centers equipped with vitrified diamond wheels to profile the cutting edge to a finish of Ra &lt; 0.4\u00b5m.<\/li>\r\n<li><strong>Quality Control Protocol:<\/strong>\r\n<ul>\r\n<li><em>Laser Interferometric Axial Runout Verification:<\/em> Every high-precision blade is evaluated across its entire circumference. Side wobble is mapped and documented to confirm compliance with the &lt;0.005mm internal threshold.<\/li>\r\n<li><em>Surface Profilometry:<\/em> Direct stylus measurement of the bevel&#8217;s surface finish (Ra).<\/li>\r\n<li><em>Multi-Point Rockwell Hardness Mapping:<\/em> Verifies that the hardness variance across the blade face does not exceed 0.5 HRC.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<h2>Estudos de Caso: Desempenho Documentado em Campo<\/h2>\r\n<h3>Case Study A: Lithium-Ion Battery Anode Slitting (Graphite-Coated Copper Foil)<\/h3>\r\n<ul>\r\n<li><strong>Client Profile:<\/strong> A tier-one manufacturer of electric vehicle battery cells.<\/li>\r\n<li><strong>Initial Problem:<\/strong> The client was utilizing commercial-grade carbide rotary blades with a thickness tolerance of \u00b10.005mm and an edge roughness of Ra 0.8\u00b5m. Abrasive graphite particles caused material to adhere to the blade faces, limiting linear slitting speeds to 200 m\/min. Micro-chipping occurred after 15 hours of operation, causing coating delamination and micro-burrs along the copper foil.<\/li>\r\n<li><strong>Engineering Intervention:<\/strong> Installed <strong>Sub-micron Tungsten Carbide Blades<\/strong> featuring a mirror polish of Ra &lt; 0.1\u00b5m and a thickness tolerance held strictly to \u00b10.001mm.<\/li>\r\n<li><strong>Quantifiable Outcomes:<\/strong> Face adhesion was eliminated, allowing production speeds to be increased from 200 m\/min to 550 m\/min (a 175% increase in throughput). Individual blade service life rose from 15 hours to 120 hours between grinds, while micro-dust emissions fell by 88%.<\/li>\r\n<\/ul>\r\n<h3>Case Study B: High-Frequency Electrical Silicon Steel Gang Slitting Line<\/h3>\r\n<ul>\r\n<li><strong>Client Profile:<\/strong> A steel service center specializing in transformer core laminations.<\/li>\r\n<li><strong>Initial Problem:<\/strong> The line used standard D2 (SKD11) circular blades (HRC 58\u201360) to slit 0.35mm thick grain-oriented silicon steel. The material&#8217;s high deformation resistance caused micro-fractures along the blade edges within 32 operating hours. This dulling produced edge burrs exceeding 0.08mm, which caused electromagnetic performance loss in the final transformer stacks.<\/li>\r\n<li><strong>Engineering Intervention:<\/strong> Transitioned to <strong>DC53 Matrix Steel Circular Blades<\/strong> subjected to vacuum quenching and deep cryogenic stabilization, achieving a uniform hardness of HRC 61\u201362.<\/li>\r\n<li><strong>Quantifiable Outcomes:<\/strong> The high fracture toughness of DC53 eliminated micro-chipping. The required resharpening interval was extended from 32 hours to 145 hours of continuous operation. Slit edge burrs were maintained below \u22640.015mm, reducing sheet rejection rates by 92%.<\/li>\r\n<\/ul>\r\n<h2>FAQ: Refer\u00eancia de Engenharia e Suprimentos<\/h2>\r\n<ol>\r\n<li><strong>Por que a toler\u00e2ncia de espessura \u00e9 cr\u00edtica ao configurar um sistema de corte longitudinal m\u00faltiplo (gang-slitting) com an\u00e9is espa\u00e7adores?<\/strong>\r\n<ul>\r\n<li>Em um conjunto de corte longitudinal de m\u00faltiplas l\u00e2minas, as toler\u00e2ncias de espessura individuais acumulam-se ao longo do eixo. Uma varia\u00e7\u00e3o menor de \u00b10.01 mm por l\u00e2mina pode resultar em um deslocamento axial agregado de mais de 0.1 mm em uma configura\u00e7\u00e3o de 10 l\u00e2minas. Esse deslocamento altera a folga lateral horizontal calibrada entre os gumes superior e inferior, causando rebarbas graves ou colis\u00f5es entre as l\u00e2minas. Apertar as toler\u00e2ncias individuais para \u00b10.001 mm minimiza esse erro cumulativo.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>O que diferencia a estrutura metal\u00fargica de carbonetos do DC53 em rela\u00e7\u00e3o ao D2\/SKD11 tradicional?<\/strong>\r\n<ul>\r\n<li>O a\u00e7o ferramenta D2 tradicional cont\u00e9m grandes carbonetos prim\u00e1rios de cromo segregados (frequentemente con di\u00e2metro \u226520 \u03bcm) que formam redes fr\u00e1geis durante a solidifica\u00e7\u00e3o. Esses grandes carbonetos podem trincar sob as altas for\u00e7as normais geradas no corte longitudinal de a\u00e7o sil\u00edcio. O DC53 passa por uma modifica\u00e7\u00e3o qu\u00edmica refinada e uma rotina de processamento que substitui esses grandes aglomerados por carbonetos secund\u00e1rios finos e uniformemente dispersos, dobrando a tenacidade ao impacto do material.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Nossa linha de corte longitudinal apresenta oscila\u00e7\u00e3o da bobina (web weaving) e bordas irregulares em filme BOPP a 800 m\/min. O que devemos verificar primeiro?<\/strong>\r\n<ul>\r\n<li>Comece verificando o batimento <strong>axial (oscila\u00e7\u00e3o lateral)<\/strong> das l\u00e2minas superiores usando un rel\u00f3gio comparador de alta precis\u00e3o ou medidor a laser. Se o batimento exceder 0.020mm, a l\u00e2mina oscilar\u00e1 horizontalmente ao longo da trajet\u00f3ria da bobina, causando um perfil de borda ondulado. Em seguida, verifique se a rugosidade do gume est\u00e1 abaixo de Ra 0.4\u00b5m; gumes mais rugosos podem prender as cadeias de pol\u00edmero em altas velocidades, causando rasgos localizados.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>As facas circulares de corte longitudinal de carboneto de tungst\u00eanio podem ser reafiadas com sucesso? Quais s\u00e3o as principais restri\u00e7\u00f5es?<\/strong>\r\n<ul>\r\n<li>Sim, as facas circulares de metal duro (carboneto) podem ser reafiadas, mas exigem uma retificadora de alta rigidez equipada com um rebolo diamantado de liga resin\u00f3ide e um sistema de refrigera\u00e7\u00e3o por inunda\u00e7\u00e3o cont\u00ednuo e de alto volume. A retifica\u00e7\u00e3o a seco ou inst\u00e1vel cria gradientes t\u00e9rmicos locais intensos que induzem microtrincas ao longo da matriz fr\u00e1gil de carboneto, levando \u00e0 falha prematura do gume na linha de produ\u00e7\u00e3o.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Como um acabamento polido espelho (Ra &lt; 0.1\u00b5m) evita a gera\u00e7\u00e3o de poeira de corte longitudinal?<\/strong>\r\n<ul>\r\n<li>O polimento espelho elimina as cristas e sulcos microsc\u00f3picos de retifica\u00e7\u00e3o presentes nos gumes das ferramentas padr\u00e3o. Essa superf\u00edcie lisa reduz o coeficiente de fric\u00e7\u00e3o (\u03bc) entre a face da l\u00e2mina e o substrato da bobina em movimento. Sem micro-rugosidades para riscar ou puxar o material, a separa\u00e7\u00e3o mec\u00e2nica permanece um corte limpo por cisalhamento, reduzindo as emiss\u00f5es de poeira.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>O que \u00e9 um sistema de \"micro-pr\u00e9-carga\" carregado por mola e quando ele deve ser implementado?<\/strong>\r\n<ul>\r\n<li>Para bobinas finas e flex\u00edveis, como papel toalha\/len\u00e7o (tissue), papel de cigarro ou filmes finos de embalagem, pode ser dif\u00edcil definir uma folga lateral f\u00edsica fixa com espa\u00e7adores r\u00edgidos. Um sistema de micro-pr\u00e9-carga utiliza um mecanismo pneum\u00e1tico ou de mola calibrada para aplicar uma for\u00e7a lateral constante, mantendo um plano de corte com folga zero que evita que o substrato fino dobre entre as l\u00e2minas.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>O balanceamento din\u00e2mico \u00e9 necess\u00e1rio para todas as facas circulares de corte longitudinal?<\/strong>\r\n<ul>\r\n<li>O balanceamento din\u00e2mico torna-se essencial quando a velocidade da linha de corte longitudinal excede 1000 m\/min. Nessas velocidades, mesmo uma pequena assimetria de massa ao longo do per\u00edmetro da faca gera vibra\u00e7\u00f5es centr\u00edfugas de alta frequ\u00eancia significativas. Essa vibra\u00e7\u00e3o degrada a estabilidade do plano de corte, acelerando o desgaste do gume e causando uma qualidade de corte inconsistente.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Quando devo selecionar um revestimento de Teflon em vez de um revestimento de DLC para uma aplica\u00e7\u00e3o de corte longitudinal?<\/strong>\r\n<ul>\r\n<li>Choisissez un rev\u00eatement en fluoropolym\u00e8re (T\u00e9flon) pour le refendage d'adh\u00e9sifs sensibles \u00e0 la pression, de rubans de transfert ou de pansements m\u00e9dicaux, car il offre une excellente r\u00e9sistance \u00e0 l'adh\u00e9rence. Cependant, le T\u00e9flon a une faible duret\u00e9 m\u00e9canique. Pour le refendage de m\u00e9taux non ferreux comme les feuilles d'aluminium ou de cuivre, optez pour un rev\u00eatement en carbone sous forme de diamant amorphe (DLC) ; sa duret\u00e9 \u00e9lev\u00e9e r\u00e9siste \u00e0 l'usure abrasive tout en emp\u00eachant le transfert de m\u00e9tal et le soudage \u00e0 froid.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Por que o a\u00e7o r\u00e1pido M2\/M42 \u00e9 preferido em rela\u00e7\u00e3o ao carboneto de tungst\u00eanio para a convers\u00e3o de papel de grande volume?<\/strong>\r\n<ul>\r\n<li>As linhas de convers\u00e3o de papel de alta velocidade enfrentam frequentemente flutua\u00e7\u00f5es na tens\u00e3o da bobina, emendas e contaminantes externos ocasionais. Embora o carboneto de tungst\u00eanio ofere\u00e7a excelente resist\u00eancia ao desgaste, sua baixa tenacidade \u00e0 fratura o torna propenso a lascar ou quebrar sob choques repentinos de tens\u00e3o. O a\u00e7o r\u00e1pido (HSS) M2\/M42 oferece alta dureza a quente combinada com excelente tenacidade ao impacto, permitindo suportar choques mec\u00e2nicos sem falhas estruturais.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Como uma alta concentra\u00e7\u00e3o de austenita retida degrada o desempenho pr\u00e1tico de uma faca de corte longitudinal de precis\u00e3o?<\/strong>\r\n<ul>\r\n<li>A austenita retida \u00e9 uma fase cristalina inst\u00e1vel e de alta energia em temperatura ambiente. Sob a influ\u00eancia do estresse mec\u00e2nico c\u00edclico e do calor friccional gerado durante o corte, ela pode se transformar em martensita. Essa transforma\u00e7\u00e3o \u00e9 acompanhada por uma expans\u00e3o volum\u00e9trica localizada, que pode alterar o perfil plano da l\u00e2mina, levando ao aumento do batimento axial (oscila\u00e7\u00e3o lateral) e \u00e0 perda da precis\u00e3o de corte.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Por que as l\u00e2minas de a\u00e7o inoxid\u00e1vel 440C apresentam um desgaste (embotamento) acelerado ao cortar materiais compostos densos?<\/strong>\r\n<ul>\r\n<li>O 440C \u00e9 um a\u00e7o inoxid\u00e1vel martens\u00edtico projetado principalmente para resist\u00eancia \u00e0 corros\u00e3o. Para manter suas propriedades inoxid\u00e1veis, uma parte significativa de seu cromo permanece dentro da matriz de solu\u00e7\u00e3o s\u00f3lida, deixando menos carbono livre e elementos de liga para formar carbonetos duros de van\u00e1dio ou molibd\u00eanio. Consequentemente, sua resist\u00eancia m\u00e1xima ao desgaste abrasivo \u00e9 menor do que a de a\u00e7os ferramenta dedicados, como o DC53 ou o a\u00e7o r\u00e1pido (HSS) M2.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Quais s\u00e3o as consequ\u00eancias de uma toler\u00e2ncia de ovaliza\u00e7\u00e3o (fora de redondeza) do furo interno no conjunto do eixo de uma cortadora longitudinal?<\/strong>\r\n<ul>\r\n<li>Se a toler\u00e2ncia do furo interno exceder a especifica\u00e7\u00e3o H7\/G6, a l\u00e2mina ficar\u00e1 frouxa no eixo da cortadora, criando um eixo de rota\u00e7\u00e3o exc\u00eantrico. Essa excentricidade faz com que o batimento radial (excentricidade radial) dispare, o que significa que a l\u00e2mina engajar\u00e1 o material em profundidades vari\u00e1veis ao longo de sua rota\u00e7\u00e3o, causando desgaste c\u00edclico e profundidades de corte inconsistentes.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Quais caracter\u00edsticas tornam os pr\u00e9-impregnados (prepregs) de fibra de vidro altamente abrasivos para os gumes das ferramentas?<\/strong>\r\n<ul>\r\n<li>As fibras de vidro s\u00e3o compostas por filamentos de s\u00edlica amorfa com alta dureza f\u00edsica. Durante o corte longitudinal, esses filamentos atuam como abrasivos finos contra o gume de corte. Se o material da l\u00e2mina n\u00e3o tiver volume ou dureza de carbonetos secund\u00e1rios suficientes, as fibras em movimento erodir\u00e3o rapidamente a matriz, arredondando o perfil do gume.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Qual \u00e9 o limite de manuten\u00e7\u00e3o recomendado para cronogramas de afia\u00e7\u00e3o durante paradas programadas?<\/strong>\r\n<ul>\r\n<li>As l\u00e2minas devem ser programadas para reafiamento quando o raio do microgume<sub>\u03b2<\/sub>(r\u03b2)estiver desgastado entre 0,1 mm e 0,2 mm, ou quando a altura da rebarba do produto exceder os limites de qualidade. Esperar que ocorram macro lascamentos ou embotamento severo exige a remo\u00e7\u00e3o de uma quantidade significativa de material durante a ret\u00edfica, o que reduz o n\u00famero total de ciclos de afia\u00e7\u00e3o e corta a vida \u00fatil geral da ferramenta em at\u00e9 60%.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Qual \u00e9 a principal diferen\u00e7a entre uma configura\u00e7\u00e3o de bisel simples (mono-bisel) e uma de bisel composto?<a href=\"https:\/\/maxtormetal.com\/pt\/bevels-circular-slitter-knives-single-double-compound\/\" target=\"_blank\" rel=\"noopener\"><em> a single bevel and a compound bevel<\/em> <\/a>configuration?<\/strong>\r\n<ul>\r\n<li>Um bisel simples apresenta um plano inclinado cont\u00ednuo que leva at\u00e9 o gume de corte, proporcionando um perfil altamente afiado com baixa resist\u00eancia ao corte. J\u00e1 o bisel composto introduz um microbisel secund\u00e1rio na extremidade final do gume. Esse microbisel refor\u00e7a o gume de corte contra altas for\u00e7as normais e lascamentos, prolongando a vida \u00fatil da ferramenta em aplica\u00e7\u00f5es exigentes com apenas um aumento m\u00ednimo na resist\u00eancia ao corte.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<hr \/>\r\n<p>\"\u00a0<span style=\"color: #ff9900;\"><em><strong><a style=\"color: #ff9900;\" href=\"https:\/\/maxtormetal.com\/pt\/contact\/\" target=\"_blank\" rel=\"noopener\">Bem-vindo a consultar!<\/a><\/strong><\/em><\/span><\/p>\r\n<p>Se n\u00e3o encontrar a l\u00e2mina de corte que procura, tamb\u00e9m podemos personaliz\u00e1-la, consulte nosso \u201c<span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/maxtormetal.com\/pt\/custom-blades\/\" target=\"_blank\" rel=\"noopener\"><em><strong>L\u00e2minas Personalizadas<\/strong><\/em><\/a><\/span>\u201d para saber como!<\/p>\r\n<h4><span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/maxtormetal.com\/pt\/brochures\/\" target=\"_blank\" rel=\"noopener\"><strong><em>Abrir Brochuras<\/em><\/strong><\/a><\/span><\/h4>\r\n<hr \/>\r\n<h2>Exibi\u00e7\u00e3o de facas circulares:<\/h2>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7187\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--768x769.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--600x601.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade--100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/rotary-slitter-blade-.jpg 801w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7183\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-768x767.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-600x599.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/CIRCULAR-BLADE.jpg 799w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7186\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-300x297.jpg\" alt=\"\" width=\"300\" height=\"297\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-300x297.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-768x761.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-600x595.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Knife-Rings1.jpg 771w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7184\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279178-Round-custom-knife.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7185\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-768x767.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-600x599.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/E0279803-Multiple-cutting-knife.jpg 801w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7182\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-768x769.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-600x601.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/50-mm-OD-Custom-press-cutter-Blade-1.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\u00a0<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5990\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-300x300.jpg\" alt=\"DISCO CUCHILLA ROTATIVA\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-768x767.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-600x599.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/DISCO-CUCHILLA-ROTATIVA.jpg 817w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5983\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-300x300.jpg\" alt=\"l\u00e2mina circular personalizada\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/custom-circular-blade.jpg 740w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5971\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-300x300.jpg\" alt=\"L\u00e2mina circular personalizada de 425 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-600x601.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/425mm-Diameter-Circular-Custom-Blade.jpg 753w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5969\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-300x298.jpg\" alt=\"\" width=\"300\" height=\"298\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-300x298.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-768x763.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-600x596.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/320-mm-Diameter-Custom-Circular-Blade-Drawing-v21.jpg 776w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5967\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-300x300.jpg\" alt=\"L\u00e2mina circular personalizada de 300 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/300-mm-Diameter-Circular-Custom-Blade.jpg 750w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5961\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-300x300.jpg\" alt=\"L\u00e2mina circular personalizada de 120 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-768x769.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-600x601.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/120-mm-Diameter-Circular-Custom-Blade.jpg 805w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5960\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-300x300.jpg\" alt=\"L\u00e2mina circular personalizada de 95 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/95-mm-Diameter-Circular-Custom-Blade.jpg 809w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5959\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-300x300.jpg\" alt=\"L\u00e2mina circular personalizada de 76,2 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/762-mm-Diameter-Circular-Custom-Blade.jpg 785w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5953\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-300x300.jpg\" alt=\"12,7 mm OD x 5,16 mm ID x 0,65 mm Espessura Chanfro duplo de 20\u00b0\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-768x767.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-600x599.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/12.7-mm-OD-x-5.16-mm-ID-x-0.65-mm-Thickness-20\u00b0-Double-Bevel.jpg 801w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5955\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--300x300.jpg\" alt=\"L\u00e2mina circular recortada de 24&#039;&#039; de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade--100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/24-Diameter-Circular-Scalloped-Blade-.jpg 770w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5957\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-300x300.jpg\" alt=\"L\u00e2mina de serra circular personalizada com 30 mm de di\u00e2metro\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-768x769.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-600x601.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/03\/30-mm-Diameter-Circular-Custom-Saw-Blade.jpg 801w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5869\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-300x300.jpg\" alt=\"Facas circulares serrilhadas, facas perfuradas, facas pontilhadas(1)\" width=\"300\" height=\"300\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1-100x100.jpg 100w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2025\/02\/Circular-serrated-knives-perforated-knives-dotted-knives1-1.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n<hr \/>\r\n<h2>Por Que Escolher a METAL?<\/h2>\r\n<ol>\r\n<li><strong> Servi\u00e7o de Importa\u00e7\u00e3o Completo e Sem Complica\u00e7\u00f5es<\/strong><\/li>\r\n<\/ol>\r\n<p>Aproveite a conveni\u00eancia de uma importa\u00e7\u00e3o sem problemas. Do transporte ao desembara\u00e7o aduaneiro, cuidamos de todo o processo. Tudo o que voc\u00ea precisa fazer \u00e9 pagar o IVA e aguardar a chegada de suas mercadorias.<\/p>\r\n<ol start=\"2\">\r\n<li><strong> Pre\u00e7os Competitivos<\/strong><\/li>\r\n<\/ol>\r\n<p>Vimos nossas l\u00e2minas se destacarem em in\u00fameras aplica\u00e7\u00f5es e estamos prontos para qualquer projeto que voc\u00ea nos apresentar. Espere precis\u00e3o, durabilidade e pre\u00e7os competitivos inigual\u00e1veis.<\/p>\r\n<ol start=\"3\">\r\n<li><strong> ODM &amp; OEM Dispon\u00edveis<\/strong><\/li>\r\n<\/ol>\r\n<p>Seja qual for o seu caso, desenhos, esbo\u00e7os ou amostras, podemos projetar e fabricar para voc\u00ea. Tamb\u00e9m temos a capacidade de auxiliar na modifica\u00e7\u00e3o de designs e especifica\u00e7\u00f5es existentes para melhorar praticamente qualquer aplica\u00e7\u00e3o de ferramentas industriais. Entre em contato com nossa equipe de vendas dedicada para discutir suas necessidades espec\u00edficas.<\/p>\r\n<ol start=\"4\">\r\n<li><strong> Controle de Qualidade Rigoroso<\/strong><\/li>\r\n<\/ol>\r\n<p>Uma s\u00e9rie de testes e inspe\u00e7\u00f5es s\u00e3o realizadas para controlar a qualidade, incluindo inspe\u00e7\u00e3o do primeiro artigo, inspe\u00e7\u00e3o de material recebido e materiais certificados, inspe\u00e7\u00e3o de qualidade em processo e inspe\u00e7\u00e3o de qualidade final.<\/p>\r\n<ol start=\"5\">\r\n<li><strong> Aquisi\u00e7\u00e3o Flex\u00edvel, Coopera\u00e7\u00e3o Ilimitada<\/strong><\/li>\r\n<\/ol>\r\n<p>Seja voc\u00ea um importador, distribuidor, atacadista ou usu\u00e1rio final, n\u00f3s o acolhemos. Beneficie-se de MOQs m\u00ednimos, consultas sem complica\u00e7\u00f5es e maior liberdade de compra.<\/p>\r\n<ol start=\"6\">\r\n<li><strong> Monitoramento em Tempo Real do Progresso da Produ\u00e7\u00e3o<\/strong><\/li>\r\n<\/ol>\r\n<p>Considere-nos seu monitor exclusivo. Forneceremos atualiza\u00e7\u00f5es regulares sobre cada etapa crucial de sua linha de produ\u00e7\u00e3o. Independentemente da dist\u00e2ncia, voc\u00ea ter\u00e1 informa\u00e7\u00f5es em tempo real sobre o progresso de seu produto.<\/p>\r\n<hr \/>\r\n<p><iframe loading=\"lazy\" title=\"M\u00e1quina de corte de tecido com l\u00e2mina de serra redonda de v\u00e1rios tamanhos\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/vTki4KYBn-4?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>","protected":false},"excerpt":{"rendered":"<p>Circular Knives Technical Fundamentals Precision circular slitter knives (also referred to as rotary slitting knives or circular slitter blades) utilize continuous rotational kinematics in conjunction with a female bottom knife (Shear Slitting), a razor setup (Razor Slitting), or a hardened anvil roll (Crush Slitting) to execute uninterrupted longitudinal slitting, slicing, rewinding, or scoring of moving [&hellip;]<\/p>","protected":false},"featured_media":2980,"template":"","meta":[],"product_cat":[107,99,114,105,100,101,102,104,103,109],"product_tag":[443],"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>Circular Knives Blades<\/title>\n<meta name=\"description\" content=\"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions\" \/>\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\/pt\/produto\/laminas-circulares\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circular Knives Blades\" \/>\n<meta property=\"og:description\" content=\"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions\" \/>\n<meta property=\"og:url\" content=\"https:\/\/maxtormetal.com\/pt\/produto\/laminas-circulares\/\" \/>\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=\"2026-06-15T04:08:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.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\/circular-knives-blades\/\",\"url\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/\",\"name\":\"Circular Knives Blades\",\"isPartOf\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg\",\"datePublished\":\"2023-10-05T13:48:25+00:00\",\"dateModified\":\"2026-06-15T04:08:28+00:00\",\"description\":\"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions\",\"breadcrumb\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage\",\"url\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg\",\"contentUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/maxtormetal.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/maxtormetal.com\/products\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Circular Knives Blades\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/maxtormetal.com\/fr\/#website\",\"url\":\"https:\/\/maxtormetal.com\/fr\/\",\"name\":\"Maxtor Metal | Custom Industrial Blade Manufacturer &amp; Supplier\",\"description\":\"Mechanical blades and knives supplier for all machines made by China\",\"publisher\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/maxtormetal.com\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":[\"Organization\",\"Place\"],\"@id\":\"https:\/\/maxtormetal.com\/fr\/#organization\",\"name\":\"Maxtor Metal\",\"alternateName\":\"Metal Industrial\",\"url\":\"https:\/\/maxtormetal.com\/fr\/\",\"logo\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo\"},\"sameAs\":[\"https:\/\/www.facebook.com\/maxtormetalindustrial\",\"https:\/\/www.linkedin.com\/company\/maxtormetal\/\"],\"description\":\"Maxtor Metal (formerly known as Metal Industrial) is a custom industrial blade manufacturer based in Nanjing, China. Established in 2006 under Nanjing Metal Industrial CO., Limited, we specialize in manufacturing industrial machine blades, machine knives, and providing regrinding services for clients in over 80 countries worldwide.\",\"legalName\":\"Nanjing Metal Industrial CO., Limited\",\"foundingDate\":\"2006-02-18\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"11\",\"maxValue\":\"50\"},\"address\":{\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-place-address\"},\"telephone\":[],\"openingHoursSpecification\":[{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\"opens\":\"09:00\",\"closes\":\"17:00\"}],\"email\":\"sales@maxtormetal.com\",\"areaServed\":\"Worldwide\",\"globalLocationNumber\":\"+86-158-6180-3357\"},{\"@type\":\"PostalAddress\",\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-place-address\",\"streetAddress\":\"Mingjue Industrial Park, Lishui\",\"addressLocality\":\"Nanjing\",\"postalCode\":\"211223\",\"addressRegion\":\"Jiangsu\",\"addressCountry\":\"CN\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo\",\"url\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png\",\"contentUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png\",\"width\":441,\"height\":132,\"caption\":\"Maxtor Metal\"}]}<\/script>\n<meta name=\"geo.placename\" content=\"Nanjing\" \/>\n<meta name=\"geo.region\" content=\"China\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Circular Knives Blades","description":"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/maxtormetal.com\/pt\/produto\/laminas-circulares\/","og_locale":"pt_PT","og_type":"article","og_title":"Circular Knives Blades","og_description":"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions","og_url":"https:\/\/maxtormetal.com\/pt\/produto\/laminas-circulares\/","og_site_name":"Maxtor Metal | Custom Industrial Blade Manufacturer &amp; Supplier","article_publisher":"https:\/\/www.facebook.com\/maxtormetalindustrial","article_modified_time":"2026-06-15T04:08:28+00:00","og_image":[{"width":800,"height":800,"url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","ItemPage"],"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/","url":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/","name":"Circular Knives Blades","isPartOf":{"@id":"https:\/\/maxtormetal.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage"},"image":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage"},"thumbnailUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg","datePublished":"2023-10-05T13:48:25+00:00","dateModified":"2026-06-15T04:08:28+00:00","description":"Explore our high-quality circular knives and rotary blades for paper, food, metal, and more. Find durable slitting knives, disc knives, and custom solutions","breadcrumb":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/maxtormetal.com\/product\/circular-knives-blades\/"]}]},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#primaryimage","url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg","contentUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/Circular-knives-main1.jpg","width":800,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/maxtormetal.com\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/maxtormetal.com\/products\/"},{"@type":"ListItem","position":3,"name":"Circular Knives Blades"}]},{"@type":"WebSite","@id":"https:\/\/maxtormetal.com\/fr\/#website","url":"https:\/\/maxtormetal.com\/fr\/","name":"Maxtor Metal | Custom Industrial Blade Manufacturer &amp; Supplier","description":"Mechanical blades and knives supplier for all machines made by China","publisher":{"@id":"https:\/\/maxtormetal.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/maxtormetal.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-PT"},{"@type":["Organization","Place"],"@id":"https:\/\/maxtormetal.com\/fr\/#organization","name":"Maxtor Metal","alternateName":"Metal Industrial","url":"https:\/\/maxtormetal.com\/fr\/","logo":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo"},"image":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo"},"sameAs":["https:\/\/www.facebook.com\/maxtormetalindustrial","https:\/\/www.linkedin.com\/company\/maxtormetal\/"],"description":"Maxtor Metal (formerly known as Metal Industrial) is a custom industrial blade manufacturer based in Nanjing, China. Established in 2006 under Nanjing Metal Industrial CO., Limited, we specialize in manufacturing industrial machine blades, machine knives, and providing regrinding services for clients in over 80 countries worldwide.","legalName":"Nanjing Metal Industrial CO., Limited","foundingDate":"2006-02-18","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"11","maxValue":"50"},"address":{"@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-place-address"},"telephone":[],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],"opens":"09:00","closes":"17:00"}],"email":"sales@maxtormetal.com","areaServed":"Worldwide","globalLocationNumber":"+86-158-6180-3357"},{"@type":"PostalAddress","@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-place-address","streetAddress":"Mingjue Industrial Park, Lishui","addressLocality":"Nanjing","postalCode":"211223","addressRegion":"Jiangsu","addressCountry":"CN"},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/maxtormetal.com\/product\/circular-knives-blades\/#local-main-organization-logo","url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png","contentUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png","width":441,"height":132,"caption":"Maxtor Metal"}]},"geo.placename":"Nanjing","geo.region":"China"},"_links":{"self":[{"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/product\/2974"}],"collection":[{"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/media\/2980"}],"wp:attachment":[{"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/media?parent=2974"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2974"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/maxtormetal.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}