{"id":8014,"date":"2026-08-14T10:00:00","date_gmt":"2026-08-14T02:00:00","guid":{"rendered":"https:\/\/maxtormetal.com\/?p=8014"},"modified":"2026-09-15T15:17:46","modified_gmt":"2026-09-15T07:17:46","slug":"slitting-burr-reduction-root-causes-setup-windows","status":"publish","type":"post","link":"https:\/\/maxtormetal.com\/de\/slitting-burr-reduction-root-causes-setup-windows\/","title":{"rendered":"Gratreduzierung beim L\u00e4ngsteilen: Ursachenmatrix, Einstellfenster &amp; Pr\u00fcfprotokoll"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-1024x683.jpeg\" alt=\"Engineers inspecting coil slitting burr height with a handheld microscope\" class=\"wp-image-8015\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-1024x683.jpeg 1024w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-300x200.jpeg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-768x512.jpeg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-18x12.jpeg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8-600x400.jpeg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-8.jpeg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p>Die Gratreduzierung beim L\u00e4ngsteilen geh\u00f6rt zu den scheinbar kleinen Problemen, die sich rasch zu einem erheblichen Kostenfaktor auswachsen: Schnittgrat f\u00fchrt zu Kundenreklamationen, verursacht Probleme bei der nachgelagerten Umformung und verk\u00fcrzt unbemerkt die Standzeit der Messer.<\/p><p>This handbook is compiled by\u00a0Jerry Chu, Technical Support Specialist at\u00a0Maxtor Metal, drawing on 10+ years of field troubleshooting experience across coil slitting lines processing carbon steel, AHSS, stainless, and aluminum. It is peer-reviewed by Maxtor Metal\u2019s application engineering team and written in a practical, verification-first spirit where the winning approach is disciplined setup windows, fast root-cause isolation, and consistent measurement.<\/p><p>If your line uses roller shearing blades (or equivalent slitter knife systems), the principles below still apply: treat the cut as a controlled fracture\/shear event, then lock down the few variables that actually move burr. For material selection, clearance engineering, and failure mode diagnostics specific to roller shear tooling, see Maxtor Metal\u2019s <strong><a href=\"https:\/\/maxtormetal.com\/de\/produkt\/rollenschermesser\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Leitfaden f\u00fcr Rotations-L\u00e4ngsteilmesser und Rollenscherenmesser von Maxtor Metal<\/em><\/a><\/strong>.<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Was dieses Handbuch abdeckt<\/strong><br>Eine Referenz f\u00fcr Fertigung und Technik zur Reduzierung von Schnittgrat durch Isolierung der Fehlerursachen (Schnittspalt\/Eintauchtiefe, Messerzustand, Ausrichtung, Geschwindigkeit, Schmierung, Bandzug), Definition von Start-Einstellfenstern nach Werkstoffgruppen sowie Standardisierung von Inspektion, Abnahmetoleranzen und ROI-Tracking. Dies ist kein Ersatz f\u00fcr die Zeichnungsanforderungen (Customer print) Ihrer Kunden \u2013 nutzen Sie es, um sich den Zielparametern schneller zu n\u00e4hern, und validieren Sie diese dann anhand Ihrer eigenen Prozessf\u00e4higkeit (Process capability).<\/p><\/blockquote><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Who it\u2019s for<\/strong><br>Prozessingenieure, die die Schnittqualit\u00e4t \u00fcber wechselnde Werkstoffg\u00fcten und Blechdicken hinweg optimieren; Instandhaltungsleiter, die f\u00fcr den Zustand der Messerwelle (Arbor), den Rundlauf (Runout) und die Stabilit\u00e4t des Messerpakets verantwortlich sind; Produktionsleiter, die Schnittkantenqualit\u00e4t und Anlagenverf\u00fcgbarkeit abw\u00e4gen; technischer Einkauf, der Werkzeuge, Zwischenringe (Spacers) und die Wirtschaftlichkeit des Nachschleifens bewertet.<\/p><\/blockquote><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Wie Sie es an einer laufenden Anlage anwenden:<\/strong>&nbsp;Verifizieren Sie zuerst die Messdisziplin \u2192 nutzen Sie die Ursachenmatrix, um den wahrscheinlichsten Stellhebel zu identifizieren, bevor Sie \u00c4nderungen vornehmen \u2192 wenden Sie das Werkstoff-Einstellfenster als Ausgangspunkt an und feineinstellen Sie in kleinen Schritten \u2192 fahren Sie nach jeder \u00c4nderung einen kurzen Pr\u00fcfstreifen (Teststreifen) und messen Sie erneut.<\/p><\/blockquote><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Wichtige Kennzahlen zur \u00dcberwachung<\/strong><br>Grath\u00f6he in % der Banddicke (und\/oder absolute H\u00f6he bei Kundenspezifikation) \u00b7 Breitentoleranz und Abweichung (inklusive kumulativer Zwischenring-\/Paketierfehler) \u00b7 Auswirkung auf Betriebszeit \/ OEE (R\u00fcstzeit, Messerwechsel, ungeplante Stopps) \u00b7 Werkzeugstandzeit (Tonnage pro Nachschliff, Tonnage pro Satz und Ausfallursache: Verschlei\u00df vs. Ausbr\u00f6ckelung\/Mikroausbr\u00fcche).<\/p><\/blockquote><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Wichtigste Erkenntnis:<\/strong>&nbsp;Burr improvement that isn\u2019t logged and verified against the print will not stay improved.<\/p><\/blockquote><h2 class=\"wp-block-heading\" id=\"59d40ae9-96ae-4ab5-a335-84a4b60a1b22\">Ursachenmatrix zur Gratreduzierung beim L\u00e4ngsteilen<\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1018\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade.jpg\" alt=\"Ursachenmatrix zur Gratreduzierung beim L\u00e4ngsteilen\" class=\"wp-image-5558\" style=\"width:540px;height:auto\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade-295x300.jpg 295w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade-768x782.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Roll-Shear-Blade-600x611.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"0b47687e-4151-4b77-aaa0-d7a7ab0e5f96\">Schneidspalt- und \u00dcberlappungsfehler<\/h3><p>Beginnen Sie hier, da der horizontale Schneidspalt und die vertikale \u00dcberlappung oft die Variablen mit der gr\u00f6\u00dften Hebelwirkung und der schnellsten \u00dcberpr\u00fcfbarkeit sind. Praktische Branchenrichtlinien f\u00fchren Gratbildung konsequent auf einen falschen Schneidspalt und eine \u00fcberm\u00e4\u00dfige \u00dcberlappung zur\u00fcck.<a href=\"https:\/\/www.thefabricator.com\/thefabricator\/article\/bending\/how-to-avoid-slit-in-coil-slitting-problems\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>The Fabricator: \u201cHow to avoid slit-in coil slitting problems\u201d (2006)<\/strong><\/em><\/a><\/p><p>Was zu pr\u00fcfen ist (in dieser Reihenfolge):<\/p><ul><li><strong>Horizontaler Schneidspalt (%t)<\/strong>: Ein zu enger Spalt kann die Kante reiben\/verformen; ein zu weiter Spalt kann das Material eher rei\u00dfen als scheren. (Oft diskutiert als&nbsp;<em>Prozentsatz des L\u00e4ngsteilmesser-Schneidspalts<\/em>.)<\/li>\n\n<li><strong>Vertikale \u00dcberlappung<\/strong>: Eine zu tiefe \u00dcberlappung erh\u00f6ht die Gratbildung und Kantenbesch\u00e4digung; eine zu geringe \u00dcberlappung kann den Schnitt instabil machen. (Ihre&nbsp;<em>L\u00e4ngsteiler-\u00dcberlappungseinstellung<\/em>&nbsp;ist ebenso wichtig wie %t.)<\/li>\n\n<li><strong>Einseitige Gratbildung<\/strong>: Ein st\u00e4rkerer Grat an einer Kante deutet oft auf Ausrichtungs- oder Paketierungsprobleme hin, nicht nur auf ein \u201cfalsches %t\u201d.\u201d<\/li><\/ul><p>Korrekturma\u00dfnahmen:<\/p><ul><li>Setzen Sie den Schneidspalt auf einen&nbsp;<em>materialabh\u00e4ngigen Startbereich zur\u00fcck<\/em>&nbsp;(siehe Einrichtfenster nach Material).<\/li>\n\n<li>Reduzieren Sie die \u00dcberlappung in kleinen Schritten, wenn der Grat mit zunehmender Tiefe gr\u00f6\u00dfer wird.<\/li>\n\n<li>\u00dcberpr\u00fcfen Sie die Symmetrie des Messeraufbaus und den Zustand der Zwischenringe, wenn das Gratmuster \u00fcber die Streifen hinweg ungleichm\u00e4\u00dfig ist.<\/li><\/ul><p>For the full mechanics behind overlap-to-clearance coordination \u2014 including burnish\/break ratio interpretation, material-specific penetration windows, and arbor positioning best practices \u2014 see the <strong><a href=\"https:\/\/maxtormetal.com\/de\/rotary-knife-overlap-settings-clean-edge-quality-slitting\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>rotary knife overlap settings guide<\/em><\/a><\/strong>.<\/p><p>Fehlerbilder, die zeigen, dass Sie an der falschen Stelle ansetzen:<\/p><ul><li>Der Grat verringert sich kurzzeitig, kehrt aber innerhalb von Minuten zur\u00fcck \u2192 Zustand der Schneidkante oder Problem mit Schmutz\/Hitze.<\/li>\n\n<li>Der Grat ist bei niedriger Geschwindigkeit in Ordnung, verschlechtert sich jedoch bei Produktionsgeschwindigkeit \u2192 Zugspannungsstabilit\u00e4t, Schmierung oder dynamische Ausrichtung.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"9d0a3bc6-7af8-4d85-9808-965ecffac366\">Messersch\u00e4rfe, Geometrie und Beschichtungen<\/h3><p>Gratbildung ist oft ein Problem des Messerzustands, das sich als Einrichtungsproblem tarnen l\u00e4sst.<\/p><p>Was zu pr\u00fcfen ist:<\/p><ul><li><strong>Zunahme des Kantenradius<\/strong>&nbsp;(Abstumpfung) und&nbsp;<strong>Mikroausbr\u00fcche<\/strong>&nbsp;(insbesondere bei AHSS\/Edelstahl).<\/li>\n\n<li><strong>Geometrische Konsistenz<\/strong>&nbsp;\u00fcber den gesamten Satz hinweg (Fasensymmetrie, Planlauf).<\/li>\n\n<li><strong>Kaltverschwei\u00dfung \/ Materialaufbau<\/strong>&nbsp;auf Edelstahl oder Aluminium (eine h\u00e4ufige Ursache f\u00fcr \u201cpl\u00f6tzliche Gratbildung\u201d).<\/li><\/ul><p>Korrekturma\u00dfnahmen:<\/p><ul><li>Verlegen Sie die Inspektion zeitlich nach vorne: \u00dcberpr\u00fcfen Sie die Schneidkanten, bevor die Qualit\u00e4t einbricht.<\/li>\n\n<li>Unterscheiden Sie zwischen \u201cverschlei\u00dfbedingtem Grat\u201d und \u201causbruchsbedingtem Grat\u201d: Verschlei\u00df entwickelt sich allm\u00e4hlich; Ausbr\u00fcche f\u00fchren zu sprunghaften Ver\u00e4nderungen.<\/li>\n\n<li>Nutzen Sie eine auf das Fehlerbild abgestimmte Beschichtungslogik (Kaltverschwei\u00dfung vs. abrasiver Verschlei\u00df).<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"79edf0ac-ba24-47de-a107-1c504a3d8218\">Ausrichtung, Geschwindigkeit, Schmierung und Zugspannung<\/h3><p>Wenn Schneidspalt\/\u00dcberlappung im Toleranzbereich liegen und die Messer gut aussehen, liegt die Ursache meist darin, dass \u201cdie Anlage den Schnitt verschiebt\u201d.\u201d<\/p><p>Was zu pr\u00fcfen ist:<\/p><ul><li><strong>Ausrichtung<\/strong>: Wellenparallelit\u00e4t, Planlauf der Messer, Zentrierung von F\u00fchrungen und Separatoren.<\/li>\n\n<li><strong>Geschwindigkeit<\/strong>: Wenn der Grat nichtlinear mit der Geschwindigkeit zunimmt, \u00fcberpr\u00fcfen Sie Hitzeentwicklung, Vibrationen und Bandf\u00fchrung.<\/li>\n\n<li><strong>Schmierung<\/strong>: Betrachten Sie den Schmierstoffauftrag als prim\u00e4re Variable zur Kantenkontrolle. Beim L\u00e4ngsteilen von Aluminium und Edelstahl reduzieren leichte synthetische \u00d6le oder Verfl\u00fcchtigungs\u00f6le, die \u00fcber Filzpads oder Spr\u00fchd\u00fcsen aufgetragen werden, die Reibung und verhindern Materialaufbau (Kaltverschwei\u00dfung) auf der Messerfl\u00e4che. Bei schweren Kohlenstoffst\u00e4hlen leiten Grenzschmierstoffe die Reibungsw\u00e4rme in der Scherzone ab, die andernfalls die thermische Erweichung der Messerschneide beschleunigen w\u00fcrde.<\/li>\n\n<li><strong>Spannung<\/strong>: Eine instabile Einlauf-\/Auslaufzugspannung kann das Band verformen, Flattern verursachen und Kantenbesch\u00e4digungen hervorrufen.<\/li><\/ul><p>Reference point: an industry association bulletin notes burr height can be minimized by attention to slitter rigidity, horizontal\/vertical clearance, and resharpening discipline (Australian Steel Institute, Technical Bulletin TB-F2).<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-1024x683.jpeg\" alt=\"Infographic: decision flow for diagnosing excessive burr in coil slitting\" class=\"wp-image-8018\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-1024x683.jpeg 1024w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-300x200.jpeg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-768x512.jpeg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-18x12.jpeg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10-600x400.jpeg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-10.jpeg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\" id=\"e7c703c5-cc80-4eb8-a80d-c9ca7a7bac06\">Einstellfenster nach Werkstoff<\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool.jpg\" alt=\"Einstellfenster nach Werkstoff\" class=\"wp-image-5560\" style=\"width:624px;height:auto\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Rotary-Slitting-Tool-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div><p>These are&nbsp;<em>starting windows<\/em>&nbsp;to shorten setup time and reduce trial-and-error. Always validate against your customer print and your line\u2019s stiffness, knife diameter, and arbor condition. If you need the keyword-friendly phrasing: this section is your practical&nbsp;<strong>slitting setup window by material<\/strong>.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><th>Material Group<\/th><th>Horizontal Clearance (%t)<\/th><th>Vertical Overlap (mm \/ in)<\/th><th>Key Focus Areas<\/th><\/tr><tr><td>CR \/ HR Carbon Steel<\/td><td>8% \u2013 12% t (Mid-grade: ~10% t)<\/td><td>+0.25 mm to +0.50 mm (+0.010\u2033 to +0.020\u2033)<\/td><td>Balance shear-to-break ratio; avoid excessive overlap<\/td><\/tr><tr><td>AHSS \/ Stainless Steel<\/td><td>10% \u2013 15% t (High tensile: ~12% t)<\/td><td>+0.10 mm to +0.30 mm (+0.004\u2033 to +0.012\u2033)<\/td><td>Prevent micro-chipping; monitor edge radius &amp; galling<\/td><\/tr><tr><td>Aluminum &amp; Soft Alloys<\/td><td>5% \u2013 8% t (Tight alignment required)<\/td><td>+0.05 mm to +0.20 mm (+0.002\u2033 to +0.008\u2033)<\/td><td>Anti-galling coatings (DLC); prevent pickup &amp; galling<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\" id=\"c395e0eb-3aaa-4ff8-aa27-338d409ba61d\">CR\/HR steels<\/h3><p>Starting intent: stable shear zone with minimal tearing.<\/p><p>Standard carbon steels feature balanced ductility and tensile strength, allowing a traditional 1\/3 shear and 2\/3 break edge ratio. Operating within 8%\u201312% t clearance achieves a clean fracture transition without excessive edge rolling or deep tearing.<\/p><ul><li>Clearance: start mid-window (~10% t), then tune toward minimum burr.<\/li>\n\n<li>Overlap: moderate; avoid \u201cdeep overlap as insurance.\u201d<\/li>\n\n<li>Speed: increase only after burr is stable at low-to-mid speed.<\/li>\n\n<li>Lubrication: use consistent lubrication strategy to prevent heat-driven edge degradation.<\/li><\/ul><p>Practical note: ASI\u2019s TB-F2 bulletin illustrates that recommended clearances vary by need (general production vs minimum burr) and highlights that optimum clearance reduces burr.<a href=\"https:\/\/www.steel.org.au\/getattachment\/b1439a6f-bbf0-42b5-9aa3-00a825e53e36\/TB-F2-Shearing-and-slitting-steel-sheet-and-strip_BSL.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><em><strong>Australian Steel Institute Technical Bulletin TB-F2 (Shearing and slitting steel sheet and strip<\/strong><\/em><\/a><a href=\"https:\/\/www.steel.org.au\/getattachment\/b1439a6f-bbf0-42b5-9aa3-00a825e53e36\/TB-F2-Shearing-and-slitting-steel-sheet-and-strip_BSL.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>)<\/strong><\/em><\/a><\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Profi-Tipp<\/strong>: When you widen the window for throughput, document what you changed (clearance, overlap, speed, tension). Otherwise your next \u201csame material\u201d run won\u2019t actually be the same.<\/p><\/blockquote><h3 class=\"wp-block-heading\" id=\"2a12140f-337c-4abe-a21b-0b30fc3c9429\">AHSS, stainless, and coated steels<\/h3><p>Starting intent: prevent chipping and edge cracking while maintaining burr control.<\/p><p>High-tensile AHSS and work-hardening stainless steels exhibit extreme yield strengths and low elongation. Wider clearance (10%\u201315% t) is critical to relieve peak side-thrust forces on the knife edge, preventing micro-chipping while accommodating the abrupt shear fracture characteristic of high-strength alloys.<\/p><ul><li>Clearance: keep within a controlled window (~12% t); avoid extremes.<\/li>\n\n<li>Overlap: conservative; too deep can spike edge damage.<\/li>\n\n<li>Knife condition: inspect more frequently; micro-chips matter.<\/li>\n\n<li>Lubrication: treat as critical\u2014pickup and heat are common triggers.<\/li>\n\n<li>Tension: prioritize stability over maximum throughput.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"67a5235d-a8f8-4374-8b7c-248e74ffa3f4\">Aluminum grades<\/h3><p>Starting intent: prevent pickup\/galling and protect edge finish.<\/p><p>Aluminum and soft non-ferrous alloys possess high ductility and a strong tendency toward material adhesion (galling). A tighter clearance (5%\u20138% t) prevents the soft strip from dragging and folding over the knife edge, which would otherwise form heavy, continuous roll-over burrs.<\/p><ul><li>Clearance: typically tighter than steels (5%\u20138% t), but only when alignment is proven.<\/li>\n\n<li>Overlap: conservative; avoid unnecessary depth.<\/li>\n\n<li>Lubrication: ensure the method matches the alloy and surface requirements.<\/li>\n\n<li>Knife surface condition: watch for pickup\u2014small deposits can produce large burr changes.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-1024x683.jpeg\" alt=\"Chart: starting setup windows for clearance, overlap, rake angle, speed, and lubrication by material group\" class=\"wp-image-8017\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-1024x683.jpeg 1024w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-300x200.jpeg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-768x512.jpeg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-18x12.jpeg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9-600x400.jpeg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2026\/08\/image-9.jpeg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\" id=\"84a7f485-70cb-4800-b536-37a524f00ee7\">Werkzeugauswahl und Wartung<\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"755\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife.jpg\" alt=\"Werkzeugauswahl und Wartung\" class=\"wp-image-5556\" style=\"width:618px;height:auto\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife-300x227.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife-768x580.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife-16x12.jpg 16w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Coil-Slitting-Knife-600x453.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"3edadd4d-21cd-4224-aaf3-1d41ecaa9194\">Knife steels and surface coatings<\/h3><p>Maxtor Metal\u2019s standard coating selection follows a failure-mode-first logic:&nbsp;<strong>Zusatzinhalt<\/strong>&nbsp;is the default choice when galling and pickup are the primary risk (stainless steel, aluminum, and coated substrates);&nbsp;<strong>TiAlN<\/strong>&nbsp;is selected when abrasive wear and heat at the cutting edge dominate (high-speed AHSS processing, heavy-gauge carbon steel). For mixed-material lines, Maxtor Metal\u2019s after-sales team typically recommends trialing one coating per failure mode on separate knife sets, then comparing tons-per-grind and edge condition trends over 3\u20135 production runs before standardizing.<\/p><h3 class=\"wp-block-heading\" id=\"2ee28813-678c-4ece-9481-f41b6b67933f\">Regrind intervals and edge inspection (30\u201350\u00d7)<\/h3><p>A workable standard is to inspect at&nbsp;<strong>30\u201350\u00d7 magnification<\/strong>&nbsp;on a schedule that matches your burr tolerance and material severity.<\/p><p>To move from reactive grinding (sharpening only after burr complaints) to scheduled preventive maintenance, baseline your regrind frequency using practical tonnage thresholds:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><th>Material Severity<\/th><th>Typical Tonnage Interval (per Set)<\/th><th>Inspection Focus at 30\u201350\u00d7<\/th><\/tr><tr><td>Standard Carbon Steel (CR\/HR)<\/td><td>Every 200 \u2013 400 tons<\/td><td>Uniform edge radius growth (&lt;0.03 mm)<\/td><\/tr><tr><td>AHSS \/ High-Strength Alloys<\/td><td>Every 100 \u2013 180 tons<\/td><td>Micro-chipping, notch wear, edge breakdown<\/td><\/tr><tr><td>Stainless Steel \/ Aluminum<\/td><td>Every 120 \u2013 250 tons<\/td><td>Metal pickup\/galling, land face buildup<\/td><\/tr><\/tbody><\/table><\/figure><p>What to standardize:<\/p><ul><li><strong>Inspection triggers<\/strong>: first coil after changeover, after speed ramp, and when burr trends upward.<\/li>\n\n<li><strong>Edge criteria<\/strong>: edge radius growth, micro-chips, pickup, and uneven wear.<\/li>\n\n<li><strong>Regrind rule<\/strong>: regrind before burr becomes your \u201calarm,\u201d not after.<\/li><\/ul><p>What failure looks like:<\/p><ul><li>You only regrind after burr fails the customer spec \u2192 your process is reactive, not controlled.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"1da36fcb-78d1-4c46-a5ac-a03702bd5ece\">Spacer accuracy and stack integrity<\/h3><p>Spacer and stack control is a width-tolerance problem&nbsp;<em>und<\/em>&nbsp;a burr problem.<\/p><p>What to standardize:<\/p><ul><li>Spacer verification and traceability (measured thickness, wear history).<\/li>\n\n<li>Stack build procedure (cleanliness, torque discipline, consistent orientation).<\/li>\n\n<li>Periodic checks for cumulative error across multi-knife setups.<\/li><\/ul><p>What failure looks like:<\/p><ul><li>Width drift over a run, plus burr variability strand-to-strand \u2192 stack integrity and runout are suspects.<\/li><\/ul><p>For spacer tolerance specifications, rubber ring compression targets, and a rebuild checklist template, see the&nbsp;<a href=\"https:\/\/maxtormetal.com\/de\/precision-slitting-spacers-rubber-rings-blade-life\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>precision slitting spacers and rubber rings guide<\/strong><\/em><\/a>.<\/p><h2 class=\"wp-block-heading\" id=\"c6bb1835-532b-4b7c-8595-08010f287eda\">Ausrichtung und Zugspannungsregelung<\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"790\" height=\"626\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/10\/\u5200\u7247311.jpg\" alt=\"Ausrichtung und Zugspannungsregelung\" class=\"wp-image-4852\" style=\"width:678px;height:auto\" 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\" \/><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"c8f38762-a089-4681-9657-2c11ffc71974\">Arbor parallelism and runout checks<\/h3><p>If your arbors are not parallel or runout is uncontrolled, clearance becomes \u201cdifferent at every angle.\u201d<\/p><p>Practical checks:<\/p><ul><li>Measure runout on relevant surfaces (arbor, knife face seating).<\/li>\n\n<li>Confirm parallelism across the working width.<\/li>\n\n<li>Re-check after maintenance events and after any tooling crash.<\/li><\/ul><p>For a structured runout verification procedure \u2014 covering dial indicator setup, TIR acceptance tiers, and blue-check protocol \u2014 see the&nbsp;<a href=\"https:\/\/maxtormetal.com\/de\/oem-slitter-knife-blueprint-spindle-fit-audit-checklist\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>OEM-Kreismesser-Bauplan: Spindelpassungs-Audit, ISO-Toleranzen &amp; TIR-Grenzwerte<\/strong><\/em><\/a>.<\/p><h3 class=\"wp-block-heading\" id=\"9c904df3-ee46-4170-afb5-6cf9f60a1858\">Passline, guides, and separator setup<\/h3><p>Poor strip guidance can add lateral forces that change the effective cut.<\/p><p>Setup focus:<\/p><ul><li>Guides centered and consistent across the line.<\/li>\n\n<li>Separators aligned to prevent edge contact that creates secondary burr.<\/li>\n\n<li>Confirm the strip is not being \u201csteered\u201d into the knives.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"bd549914-91b8-443d-9713-24daf6876082\">Entry\/exit tension and recoiler settings<\/h3><p>Tension instability can look like a knife problem.<\/p><p>Controls to standardize:<\/p><ul><li>Entry\/exit tension setpoints by grade and thickness.<\/li>\n\n<li>Procedures for speed changes (ramp rates) that don\u2019t induce strip flutter.<\/li>\n\n<li>Clear rules for when to prioritize burr control over throughput.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"abf89228-653e-4587-84d0-574980d398ef\">Messung, Abnahme und ROI-Nachverfolgung<\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife.jpg\" alt=\"Messung, Abnahme und ROI-Nachverfolgung\" class=\"wp-image-5562\" style=\"width:494px;height:auto\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife.jpg 1000w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/11\/Slitting-Line-Knife-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"50e8b47a-13d0-4fac-bf83-7928c3318036\">Burr measurement and logging<\/h3><p>To reduce burr reliably, define measurement like a process parameter:<\/p><ul><li>Where to measure (edge location and distance from coil start\/end)<\/li>\n\n<li>Sampling frequency (per coil, per slit, per changeover)<\/li>\n\n<li>Method (microscope, optical measurement, or profilometry) and operator training<\/li><\/ul><p>Log at minimum:<\/p><ul><li>material grade, thickness, coating<\/li>\n\n<li>clearance (%t) and overlap setting<\/li>\n\n<li>knife set ID, regrind count, inspection findings<\/li>\n\n<li>line speed, lubrication mode, tension setpoints<\/li>\n\n<li>burr height results (and scrap\/rework events)<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"6f66e8fa-69f0-4ce3-88f6-36c0688f51ac\">Acceptance bands and documentation<\/h3><p>Align your acceptance bands to the customer print\u2014not tribal knowledge.<\/p><p>For drawing\/spec language,&nbsp;<strong>ISO 13715<\/strong>&nbsp;is the primary international reference for indicating and dimensioning edges of undefined shape (including burr\/undercut indications) on technical documentation. Industry practice guidance from major manufacturing and steel industry associations consistently emphasizes establishing clear edge condition tolerances prior to production runs.<\/p><p>Practical approach:<\/p><ul><li>Convert the customer requirement into a measurable acceptance band (absolute or %t).<\/li>\n\n<li>Include side designation when relevant (which side burr is acceptable on).<\/li>\n\n<li>Keep records auditable: who measured, what method, what calibration state.<\/li><\/ul><p>If your team uses a rebuild checklist and burr trend log as part of this process, Maxtor Metal\u2019s&nbsp;<a href=\"https:\/\/maxtormetal.com\/de\/precision-slitting-spacers-rubber-rings-blade-life\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><em>slitting spacers and ring rebuild template set<\/em><\/strong><\/a>&nbsp;provides a ready-to-use format.<\/p><h3 class=\"wp-block-heading\" id=\"7decd3ea-26f4-409f-9f9b-0dc1ccf61ead\">ROI\/TCO templates and baselining<\/h3><p>Burr reduction pays back when it reduces total cost per ton, not only when the edge \u201clooks better.\u201d Baseline before you change anything:<\/p><ul><li>Scrap and rework cost attributable to edge quality<\/li>\n\n<li>Downtime minutes from changeovers and unplanned stops<\/li>\n\n<li>Knife cost per ton (including regrinds and expedited orders)<\/li>\n\n<li>Customer returns\/chargebacks tied to burr or edge condition<\/li><\/ul><p>Then track deltas after you apply setup windows:<\/p><ul><li>Burr compliance rate (first-pass yield)<\/li>\n\n<li>Tons per grind and tons per knife set<\/li>\n\n<li>Setup time per changeover<\/li><\/ul><p>If you&#8217;re building a knife material ROI case alongside setup window improvements, the&nbsp;<a href=\"https:\/\/maxtormetal.com\/de\/rotary-slitter-knife-roi-pm-hss-vs-tool-steel\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>rotary slitter knife ROI guide<\/strong><\/em><\/a>&nbsp;provides a cost-per-ton model covering PM-HSS vs tool steel trade-offs for AHSS, stainless, and aluminum.<\/p><h4 class=\"wp-block-heading\" id=\"a6bbc84c-f3a5-460d-8c37-0b4f2b6205e1\">Case Study: Automotive Stamping Supply Line Burr Reduction<\/h4><p>A Tier-1 automotive coil slitting facility processing 1.5mm AHSS (DP780) experienced recurring edge burr exceeding 12% of material thickness, resulting in high customer reject rates and frequent knife micro-chipping.<\/p><p>By implementing the setup window and inspection protocol developed with Maxtor Metal&#8217;s technical support team \u2014 covering clearance\/overlap reset, magnification-based inspection scheduling, and first-article verification discipline:<\/p><ul><li><strong>Parameter Adjustment<\/strong>: Re-set horizontal clearance from an uncontrolled 18% t to a disciplined 11% t, and reduced vertical overlap from +0.60 mm to +0.20 mm.<\/li>\n\n<li><strong>Knife Care<\/strong>: Shifted from post-failure grinding to 40\u00d7 magnification optical inspection after every 150 tons.<\/li>\n\n<li><strong>Ergebnisse<\/strong>: Average burr height dropped from&nbsp;<strong>0.18 mm (12% t)<\/strong>&nbsp;Zu&nbsp;<strong>&lt;0.05 mm (3.3% t)<\/strong>, meeting ISO 13715 specs. Tons per regrind increased by&nbsp;<strong>42%<\/strong>, and annual edge-defect scrap cost was reduced by an&nbsp;<strong>estimated $30,000\u2013$45,000<\/strong>&nbsp;<em>(based on material cost and reject rate data provided by the facility; anonymized and range-normalized)<\/em>.<\/li>\n\n<li><strong>Einschr\u00e4nkungen<\/strong>: These results were observed under stable incoming coil flatness and arbor runout below 0.010 mm. Lines with worn bearings, uncontrolled tension, or mixed operator discipline may see smaller gains from setup window changes alone.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"e3df2a22-eb24-4b93-a598-8e57ee329434\">FAQs:<\/h2><h3 class=\"wp-block-heading\" id=\"e503a0b6-3ea1-4ed4-9767-58787bceb8ac\">Q: Was ist der schnellste Weg, um den Schnittgrat an einer Coil-L\u00e4ngsteilanlage zu reduzieren?<\/h3><p>A: Beginnen Sie mit dem horizontalen Schnittspalt und der vertikalen Eintauchtiefe und \u00fcberpr\u00fcfen Sie anschlie\u00dfend den Zustand der Messerschneide bei 30\u201350-facher Vergr\u00f6\u00dferung. Wenn sich der Grat mit der Geschwindigkeit ver\u00e4ndert, pr\u00fcfen Sie die Stabilit\u00e4t der Zugspannung und die Schmierung.<\/p><h3 class=\"wp-block-heading\" id=\"8ba41720-1684-482f-a3a7-df1d40da1b63\">Q: Mit welchem prozentualen Schnittspalt (clearance) sollte ich beim L\u00e4ngsteilen beginnen?<\/h3><p>A: Nutzen Sie ein werkstoffbasiertes Startfenster (keinen einzelnen festen %-Wert). Beginnen Sie in der Mitte des Einstellfensters, fahren Sie einen kurzen Pr\u00fcfstreifen und feineinstellen Sie in kleinen Schritten, w\u00e4hrend Sie die Grath\u00f6he dokumentieren.<\/p><h3 class=\"wp-block-heading\" id=\"b963eebc-4de6-471e-9802-020da0b5a18c\">Q: Reduziert eine gr\u00f6\u00dfere vertikale Eintauchtiefe (vertical overlap) immer den Schnittgrat?<\/h3><p>A: Nein. Eine zu gro\u00dfe Eintauchtiefe kann den Grat sogar vergr\u00f6\u00dfern und die Schneidkante besch\u00e4digen. Betrachten Sie die Eintauchtiefe als steuerbare Variable und reduzieren Sie diese, wenn der Grat mit zunehmender Tiefe ansteigt.<\/p><h3 class=\"wp-block-heading\" id=\"b1eb926a-c52e-4179-b719-f03deaf70a2c\">Q: Wie messe ich die Grath\u00f6he konsistent und reproduzierbar?<\/h3><p>A: Nutzen Sie eine definierte Messmethode (Mikroskop\/optisches Messger\u00e4t\/Profilometer), feste Probenahmestellen und eine reproduzierbare Protokollvorlage. Geben Sie die Grath\u00f6he als % der Banddicke an, sofern die Zeichnung dies zul\u00e4sst.<\/p><h3 class=\"wp-block-heading\" id=\"448aabe9-153f-4490-8d49-03e3c2c35698\">Q: Warum ist der Schnittgrat an einer Schnittkante st\u0e04\u0e38\u0e21\u0e19ger als an der anderen?<\/h3><p>A: Dieses Schnittbild deutet h\u00e4ufig auf Ausrichtungsfehler, Rundlaufabweichungen (Runout) oder Probleme im Messerpaket\/bei den Zwischenringen hin, die zu einem ungleichm\u00e4\u00dfigen Schnittspalt f\u00fchren. \u00dcberpr\u00fcfen Sie erneut die Parallelit\u00e4t der Messerwellen, den Sitz der Messer und die Genauigkeit der Zwischenringe (Spacers).<\/p><h3 class=\"wp-block-heading\" id=\"93ae3aa5-2ee2-4ba4-ab57-d7abe04a0603\">Q: Wie oft sollten Kreismesser zum L\u00e4ngsteilen (Slitter Knives) inspiziert und nachgeschliffen werden?<\/h3><p>A: Inspectieren Sie nach einem Zeitplan, der an Ihre Grattoleranz und die Werkstoffbeanspruchung gekoppelt ist, unter Verwendung einer 30\u201350-fachen Vergr\u00f6\u00dferung. Schleifen Sie nach, bevor der Schnittgrat Ihre Alarmgrenze erreicht.<\/p><h3 class=\"wp-block-heading\" id=\"b446b06f-4ba0-4bcb-ae9d-158f094638dc\">Q: Welche Beschichtung eignet sich am besten, um Kaltverschwei\u00dfungen (Galling) beim L\u00e4ngsteilen von Edelstahl oder Aluminium zu verhindern?<\/h3><p>A: Eine DLC-Beschichtung (Diamond-Like Carbon) wird h\u00e4ufig gew\u00e4hlt, um das Risiko von Kaltverschwei\u00dfungen und Materialaufbauresten (Pickup) zu reduzieren. \u00dcberpr\u00fcfen Sie dies durch \u00dcberwachung von Materialanhaftungen, Grattrends und der Tonnage pro Nachschliff unter Ihren spezifischen Schmier- und Geschwindigkeitsbedingungen.<\/p><h3 class=\"wp-block-heading\" id=\"82cf9245-ad1b-4552-8666-4f95a9abf8ff\">Q: Wie weise ich der Betriebsleitung und dem Einkauf den ROI einer Gratreduzierung nach?<\/h3><p>A: Ermitteln Sie eine Baseline f\u00fcr Ausschuss\/Nacharbeit, Stillstandszeiten und Messerkosten pro Tonne. Vergleichen Sie diese anschlie\u00dfend mit einem kontrollierten Testlauf unter Verwendung fester Einstellfenster und einer konsistenten Messdisziplin.<\/p><h2 class=\"wp-block-heading\" id=\"bc49ff5d-f0c9-4e24-84f1-8f134e3a78cb\">Fazit<\/h2><ul><li>Summarize diagnostic priorities and parameter windowsDiagnostic priority is simple:&nbsp;<strong>(1) clearance\/overlap<\/strong>,&nbsp;<strong>(2) knife condition<\/strong>, then&nbsp;<strong>(3) alignment\/tension\/lubrication<\/strong>. Use the setup windows as starting ranges, tune with small changes, and avoid simultaneous multi-variable \u201cguessing.\u201d<\/li>\n\n<li>Reinforce measurement discipline and verification against customer printsBurr control only holds if you measure it the same way every time and verify acceptance against the customer print language\u2014especially when edges are specified using formal indication practices such as&nbsp;<strong>ISO 13715<\/strong>&nbsp;(as described in the Acceptance bands section above).<a href=\"https:\/\/www.iso.org\/standard\/61328.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em><strong>ISO 13715:2017 \u2014 ISO catalog page<\/strong><\/em><\/a><\/li>\n\n<li>Next steps: pilot runs, data logging, and continuous improvementRun a short pilot on one representative grade, lock the logging fields, and convert your best settings into a controlled setup window.This is also where&nbsp;<strong>Maxtor Metal<\/strong>&#8216;s after-sales support fits most naturally: if you want a second opinion on your regrind interval, coating selection, or clearance window for a specific material, Maxtor Metal&#8217;s technical support team can review your current setup parameters and edge inspection findings \u2014 and provide documented recommendations tied to your material grade, line speed, and knife geometry.Keeping tooling decisions, regrind intervals, and acceptance bands tied to the same dataset is how improvements survive operator changes and material mix shifts.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\" id=\"c2c8a9c3-8ebb-4347-8cda-be351e351a50\">Author &amp; Technical Reviewer<\/h3><p><strong>Jerry Chu<\/strong><br><em>Technical Support Specialist, After-sales Service | Maxtor Metal<\/em><\/p><p>Jerry Chu is Technical Support Specialist at Maxtor Metal, with over 10 years of coil slitting troubleshooting experience across carbon steel, AHSS, stainless, and aluminum processing lines. His field work focuses on root-cause isolation for burr and edge quality failures \u2014 translating setup window discipline, knife inspection protocols, and regrind scheduling into measurable reductions in scrap, rework, and unplanned downtime. The diagnostic framework and setup windows in this handbook reflect the approach Jerry applies in Maxtor Metal&#8217;s after-sales technical support engagements. Certifications: PMP (Project Management Professional), CMRP (Certified Maintenance &amp; Reliability Professional).<\/p>","protected":false},"excerpt":{"rendered":"<p>Slitting burr reduction is one of those \u201csmall edge\u201d problems that becomes a big cost problem fast: burr drives customer complaints, creates downstream forming issues, and quietly shortens knife life. This handbook is compiled by&nbsp;Jerry Chu, Technical Support Specialist at&nbsp;Maxtor Metal, drawing on 10+ years of field troubleshooting experience across coil slitting lines processing carbon [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8015,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,1109],"tags":[1291],"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>Slitting Burr Reduction: Root Causes &amp; Fix Guide<\/title>\n<meta name=\"description\" content=\"Slitting burr reduction: root-cause matrix, setup windows by material, &amp; inspection templates for carbon steel, AHSS, aluminum coil slitting\" \/>\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\/de\/slitting-burr-reduction-root-causes-setup-windows\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Slitting Burr Reduction: Root-Cause Matrix, Setup Windows &amp; 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