Manufacturer of industrial machine knives for printing, packaging, converting, food processing and recycling. OEM and custom solutions. Engineering-grade D2, HSS and carbide blades.https://www.machine-knives.net/https://www.machine-knives.net/17-4ph/https://www.machine-knives.net/17-4ph/Materials encyclopedia entry for 17-4PH.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/420/https://www.machine-knives.net/420/Materials encyclopedia entry for 420.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/440a/https://www.machine-knives.net/440a/Materials encyclopedia entry for 440A.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/440b/https://www.machine-knives.net/440b/Materials encyclopedia entry for 440B.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/6crw2si/https://www.machine-knives.net/6crw2si/Materials encyclopedia entry for 6CrW2Si.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/9cr18mov-vs-440c/https://www.machine-knives.net/9cr18mov-vs-440c/Chinese GB 9Cr18MoV and AISI 440C are the most-quoted martensitic stainless steels for industrial blades that need corrosion resistance. They are not identical — the Mo and V content make 9Cr18MoV the tougher of the two. Here is the engineering comparison.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/a2/https://www.machine-knives.net/a2/Materials encyclopedia entry for A2.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/a6/https://www.machine-knives.net/a6/Materials encyclopedia entry for A6.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/a8/https://www.machine-knives.net/a8/Materials encyclopedia entry for A8.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/asp2060/https://www.machine-knives.net/asp2060/Materials encyclopedia entry for ASP 2060.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-aluminum-foil-slitter/https://www.machine-knives.net/case-study-aluminum-foil-slitter/A Vietnamese converter slitting 30 µm aluminium foil at 400 m/min was getting 5 days from a D2 slitter. The fix was a M2 HSS slitter with a ta-C coating. 18 days. The case study walks through the audit, the trial, the result, and the cost of welding.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-circular-blades-poland/https://www.machine-knives.net/case-study-circular-blades-poland/A Polish converter cutting 12 µm BOPP film at 600 m/min was burning through 4 D2 slitters per week. The fix was a 2-week field audit, a steel-grade change, an edge-prep change, and a coolant-nozzle relocation. This case study walks through the diagnostic, the trial, and the result — a 6× service life improvement that paid back the entire project cost in 11 weeks.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-granulator-rotor-automotive/https://www.machine-knives.net/case-study-granulator-rotor-automotive/An automotive shredder residue recycler in Germany was getting 3 days from a D2 rotor knife. The fix was a YG15 carbide rotor + YG10X bed, 4-edge reversible geometry, and a torque-wrench discipline. 22 days. The case study walks through the audit, the trial, the result, and the surprising downstream impact on screen wear.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-pharma-blade-stainless/https://www.machine-knives.net/case-study-pharma-blade-stainless/An Indian pharma converter cutting 50 µm 304 stainless foil at 80 m/min was getting 7 days from a D2 slitter. The fix was a 9Cr18MoV stainless slitter. 35 days. The case study walks through the audit, the trial, and the FDA / GMP compliance angle.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-shear-stainless-turkey/https://www.machine-knives.net/case-study-shear-stainless-turkey/A Turkish service centre cutting 6 mm 304 stainless plate was getting 1,200 strokes from a D2 shear blade. The fix was M2 HSS at HRC 64, a 0.12 mm chamfer, a TiN coating and a tighter blade gap. 18,000 strokes. The case study walks through the audit, the trial, the result and the ROI.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/case-study-textile-nonwoven-slitter/https://www.machine-knives.net/case-study-textile-nonwoven-slitter/A European non-woven producer slitting 25 gsm spunbond at 600 m/min was getting 4 days from a D2 slitter. The fix was a M2 HSS slitter with TiCN coating. 18 days. The case study walks through the audit, the trial, and the role of abrasive fillers in non-woven wear.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/coatings-comparison/https://www.machine-knives.net/coatings-comparison/TiN, TiCN, CrN, AlCrN, TiAlN, DLC and CrAlN compared across hardness, friction coefficient, max operating temperature, substrate fit and field performance. A side-by-side reference for industrial slitter, shear and granulator blades.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/d2-vs-skd11/https://www.machine-knives.net/d2-vs-skd11/AISI D2 and JIS SKD11 are the most-quoted cold-work tool steels in industrial blade manufacturing. They share a spec sheet — but the heat treatment, dimensional consistency and field performance are not identical. Here is the engineering comparison.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/d3/https://www.machine-knives.net/d3/Materials encyclopedia entry for D3.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/d4/https://www.machine-knives.net/d4/Materials encyclopedia entry for D4.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/d5/https://www.machine-knives.net/d5/Materials encyclopedia entry for D5.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/d7/https://www.machine-knives.net/d7/Materials encyclopedia entry for D7.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/dc53/https://www.machine-knives.net/dc53/Materials encyclopedia entry for DC53.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-abrasive-wear/https://www.machine-knives.net/glossary-abrasive-wear/Definition of abrasive wear in industrial cutting: loss of knife material by hard particles in the substrate ploughing or cutting into the edge.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-adhesive-wear/https://www.machine-knives.net/glossary-adhesive-wear/Definition of adhesive wear in industrial cutting: loss of knife material when micro-welds between the edge and the substrate fracture at the knife side, not the substrate side.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-alcrn-coating/https://www.machine-knives.net/glossary-alcrn-coating/Definition of AlCrN (Aluminium Chromium Nitride) PVD coating for industrial blades: the hardest standard PVD coating, ideal for high-temperature and dry cutting applications.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-built-up-edge/https://www.machine-knives.net/glossary-built-up-edge/Definition of built-up edge (BUE) in industrial cutting: weld-like adhesion of substrate material to the cutting edge, a common cause of poor cut quality on stainless, aluminium and gummy plastics.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-burr/https://www.machine-knives.net/glossary-burr/Definition of burr in industrial cutting: the unwanted projection of material on the cut edge, how it is measured, what causes it, and how to minimise it on slitter, shear and granulator blades.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-chipping/https://www.machine-knives.net/glossary-chipping/Definition of chipping in industrial cutting: small fragments breaking off the cutting edge, the four root causes, and how edge hone, hardness and impact load determine chipping resistance.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-clearance-angle/https://www.machine-knives.net/glossary-clearance-angle/Definition of clearance angle (also called relief angle) in industrial cutting: the angle of the back face behind the cutting edge, the substrate-by-substrate range, and how it interacts with hone and burr.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-crn-coating/https://www.machine-knives.net/glossary-crn-coating/Definition of CrN (Chromium Nitride) PVD coating for industrial blades: a corrosion-resistant silver-grey coating, the standard for food-contact and wet applications.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-dead-zone/https://www.machine-knives.net/glossary-dead-zone/Definition of dead zone in industrial slitting: the area immediately around the cut where the substrate is unsupported and can wrinkle, tear, or lift.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-dlc-coating/https://www.machine-knives.net/glossary-dlc-coating/Definition of DLC (Diamond-Like Carbon) PVD coating for industrial blades: the lowest-friction coating available, eliminates built-up edge on stainless, aluminium and sticky polymers.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-dressing/https://www.machine-knives.net/glossary-dressing/Definition of dressing in industrial blade grinding: the process of re-sharpening or re-shaping a grinding wheel to expose fresh abrasive and restore geometry.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-edge-rollover/https://www.machine-knives.net/glossary-edge-rollover/Definition of edge rollover in industrial cutting: deformation of the edge where the substrate pushes the steel over instead of cutting it, common on a too-soft knife or a too-sharp edge.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-fatigue-wear/https://www.machine-knives.net/glossary-fatigue-wear/Definition of fatigue wear in industrial cutting: loss of knife material by sub-surface crack propagation under repeated thermal-mechanical cycling, common on high-speed lines.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-flatness/https://www.machine-knives.net/glossary-flatness/Definition of flatness in industrial blade measurement: the deviation of a face from a perfect plane, and how flatness affects the contact area between knife and anvil.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-galling/https://www.machine-knives.net/glossary-galling/Definition of galling in industrial cutting: severe adhesive wear where substrate material welds to the edge, tears off, and re-welds, common on stainless and aluminium cutting without lubrication.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-grit-size/https://www.machine-knives.net/glossary-grit-size/Definition of grit size in industrial blade grinding: the abrasive particle size of a grinding wheel, and how grit size affects surface finish, stock removal and thermal load on the workpiece.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-gross-fracture/https://www.machine-knives.net/glossary-gross-fracture/Definition of gross fracture in industrial cutting: complete break of a knife, usually catastrophic and immediate. The rarest but most expensive failure mode.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-hardness-file-test/https://www.machine-knives.net/glossary-hardness-file-test/Definition of the hardness file test in industrial blade quality control: a quick, portable method for verifying blade hardness using calibrated files, the 5-point convention, and the limits of the test.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-hone/https://www.machine-knives.net/glossary-hone/Definition of hone (also micro-hone or edge radius) in industrial cutting: the small radius at the very tip of a cutting edge, the substrate-by-substrate range, and the relationship to coating thickness and burr.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-infeed/https://www.machine-knives.net/glossary-infeed/Definition of infeed in industrial blade grinding: the per-pass depth that the grinding wheel advances into the workpiece, and how infeed affects surface finish, thermal load and grinding time.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-kerf/https://www.machine-knives.net/glossary-kerf/Definition of kerf in industrial cutting: the width of material removed by the cut, how it is measured, the substrate-by-substrate range, and how it relates to slitter-set-up and material yield.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-kerf-clearance/https://www.machine-knives.net/glossary-kerf-clearance/Definition of kerf clearance in industrial cutting: the lateral gap between the knife and the substrate after the cut, and why a positive kerf clearance is essential for clean cuts.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-land/https://www.machine-knives.net/glossary-land/Definition of land in industrial cutting: the small flat behind the cutting edge that supports the hone, used on shear blades and heavy-duty slitter knives for edge strength.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-lip-angle/https://www.machine-knives.net/glossary-lip-angle/Definition of lip angle in industrial cutting: the angle of the cutting edge of a granulator rotor knife, equivalent to the rake angle on a slitter.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-micro-chipping/https://www.machine-knives.net/glossary-micro-chipping/Definition of micro-chipping in industrial cutting: loss of small fragments (0.1–2 mm) from the cutting edge, usually a precursor to gross chipping or a wear-rate problem.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-nose-radius/https://www.machine-knives.net/glossary-nose-radius/Definition of nose radius in industrial cutting: the radius at the corner of a punch, drill, or specialised blade edge.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-parallelism/https://www.machine-knives.net/glossary-parallelism/Definition of parallelism in industrial blade measurement: the difference between two parallel reference surfaces of a knife, and how parallelism affects cut quality on a slitter or shear.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-point-angle/https://www.machine-knives.net/glossary-point-angle/Definition of point angle in industrial cutting: the included angle at the tip of a drill bit, rarely used in slitter and shear blade specification.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-primary-bevel/https://www.machine-knives.net/glossary-primary-bevel/Definition of primary bevel in industrial cutting: the first angled face behind the cutting edge, typically the largest relief face on a shear blade or slitter knife.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-pvd-coating/https://www.machine-knives.net/glossary-pvd-coating/Definition of PVD (Physical Vapour Deposition) coating for industrial blades: the family of vacuum-deposited ceramic coatings (TiN, TiCN, CrN, AlCrN, TiAlN, DLC) that extend knife life 20–50 %.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-rake-angle/https://www.machine-knives.net/glossary-rake-angle/Definition of rake angle (also called rake, top rake or cutting rake) in industrial cutting: the angle of the front face of the cutting edge measured from vertical, and how positive vs negative rake affects cutting force, chip flow and blade life.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-relief/https://www.machine-knives.net/glossary-relief/Definition of relief in industrial cutting: the surface behind the cutting edge that prevents the body of the knife from rubbing on the cut surface.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-runout/https://www.machine-knives.net/glossary-runout/Definition of runout in industrial blade measurement: the total indicated reading (TIR) of the knife as it rotates on a spindle, and how runout affects cut quality.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-secondary-bevel/https://www.machine-knives.net/glossary-secondary-bevel/Definition of secondary bevel in industrial cutting: a smaller angled face behind the primary bevel, used to add strength without sacrificing hone.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-side-clearance/https://www.machine-knives.net/glossary-side-clearance/Definition of side clearance (also called side relief or lateral clearance) in industrial cutting: the angle that lets the substrate separate from the knife after the cut, on circular and rectangular slitter blades.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-spark-out/https://www.machine-knives.net/glossary-spark-out/Definition of spark-out in industrial blade grinding: the final pass at zero infeed that removes residual stress and produces a stable surface finish.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-surface-roughness/https://www.machine-knives.net/glossary-surface-roughness/Definition of surface roughness (Ra) in industrial blade measurement: the arithmetic average of the absolute deviations of the surface profile from the mean, and the typical Ra targets for slitter and shear blades.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-swarf/https://www.machine-knives.net/glossary-swarf/Definition of swarf in industrial cutting: the chips and particles generated by the cut, and how swarf handling affects knife life and line cleanliness.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-ta-c-coating/https://www.machine-knives.net/glossary-ta-c-coating/Definition of ta-C (tetrahedral amorphous carbon) PVD coating for industrial blades: a harder, lower-friction variant of DLC, ideal for aluminium foil and medical cutting.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-thermal-fatigue/https://www.machine-knives.net/glossary-thermal-fatigue/Definition of thermal fatigue in industrial cutting: failure by repeated thermal cycling at the edge, common on high-speed tissue and film slitting without active cooling.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-tialn-coating/https://www.machine-knives.net/glossary-tialn-coating/Definition of TiAlN (Titanium Aluminium Nitride) PVD coating for industrial blades: a violet-black high-temperature coating for hot-work and foil slitting applications.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-ticn-coating/https://www.machine-knives.net/glossary-ticn-coating/Definition of TiCN (Titanium Carbonitride) PVD coating for industrial blades: a harder and more wear-resistant variant of TiN, ideal for abrasive substrates.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-tin-coating/https://www.machine-knives.net/glossary-tin-coating/Definition of TiN (Titanium Nitride) PVD coating for industrial blades: a gold-coloured ceramic coating that reduces friction and extends knife life 20–30 % on general-purpose slitting and shearing.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-wedge-angle/https://www.machine-knives.net/glossary-wedge-angle/Definition of wedge angle in industrial cutting: the included angle between the front and back faces of a cutting edge, and how it balances edge sharpness against edge strength.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/glossary-wire-edge/https://www.machine-knives.net/glossary-wire-edge/Definition of wire edge in industrial cutting: a thin, fragile burr on the very tip of the edge caused by a re-grind with too fine a wheel or no spark-out.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/h11/https://www.machine-knives.net/h11/Materials encyclopedia entry for H11.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/h13/https://www.machine-knives.net/h13/Materials encyclopedia entry for H13.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/hss-vs-carbide/https://www.machine-knives.net/hss-vs-carbide/A side-by-side comparison of high-speed steel and tungsten carbide for industrial machine knives — covering hardness, toughness, cost, edge retention and the substrates each material was actually designed to cut.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m1/https://www.machine-knives.net/m1/Materials encyclopedia entry for M1.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m2-vs-m4-hss/https://www.machine-knives.net/m2-vs-m4-hss/AISI M2 is the workhorse high-speed steel of the converting industry. AISI M4 is its higher-vanadium cousin. The 1 % V difference looks small on a chemistry sheet but it changes how the knife cuts, how it grinds, and how long it lasts. Here is the engineering comparison.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m3/https://www.machine-knives.net/m3/Materials encyclopedia entry for M3.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m35/https://www.machine-knives.net/m35/Materials encyclopedia entry for M35.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m42/https://www.machine-knives.net/m42/Materials encyclopedia entry for M42.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/m50/https://www.machine-knives.net/m50/Materials encyclopedia entry for M50.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-end-of-life-replacement/https://www.machine-knives.net/maintenance-end-of-life-replacement/A knife that is past its design life is a chip waiting to happen. The four retirement criteria, the protocol for retiring and re-purposing, and how to avoid the most common retirement mistakes.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-preventive-schedule/https://www.machine-knives.net/maintenance-preventive-schedule/A preventive maintenance schedule catches the 80 % of premature blade failures that show up as predictable symptoms. This SOP covers daily / weekly / monthly / quarterly checks for slitter, shear and granulator blades, the inspection form, the parts replacement plan, and the line-side conditions that must be measured and held.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-resharpening-service/https://www.machine-knives.net/maintenance-resharpening-service/Outsourcing the re-grind is the right call for most converting and fabrication operations. This article walks through how to specify a re-sharpening service, what the supplier should send back, what the SLA should be, and the four questions that separate a good re-grind from a knife-destroying one.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-sharpening-frequency/https://www.machine-knives.net/maintenance-sharpening-frequency/The right re-grinding frequency balances knife life, scrap rate, and re-grind cost. Re-grind too often wastes stock; re-grind too late produces scrap. This article gives the frequency rules per knife family and the cost model to pick the right interval.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-slitting-blade-life/https://www.machine-knives.net/maintenance-slitting-blade-life/A slitting blade is the most-asked-about consumable on a converting line. The life of the knife is set by the substrate, the steel grade, the edge prep, the heat-treat quality and the in-process care — not by luck. This maintenance guide walks through the seven variables that actually drive service life.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/maintenance-storage-handling/https://www.machine-knives.net/maintenance-storage-handling/A knife that is dropped on a concrete floor is a knife with a chipped edge you cannot see until the line trips. Storage and handling SOPs cost almost nothing and prevent the most expensive failure modes — micro-chips, rust, geometry drift — before they reach the line.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/material-grade-converter/https://www.machine-knives.net/material-grade-converter/A runnable cross-reference table for cold-work tool steel, high-speed steel, martensitic stainless and carbide grades. Find the equivalent of AISI D2, M2, M4, 440C, 9Cr18MoV, YG6X, YG8 and 30+ other grades across ASTM/AISI, JIS, DIN/EN/W.-Nr., GB, BS, AFNOR, UNI, SS and UNE.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/materials-encyclopedia-440c/https://www.machine-knives.net/materials-encyclopedia-440c/AISI 440C is the standard martensitic stainless steel for industrial cutting tools, bearings and food-contact blades. High-carbon, 17 % Cr, hardened to HRC 58–60. Cross-reference to 9Cr18MoV, 1.4125, 11Cr17.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/materials-encyclopedia-d2/https://www.machine-knives.net/materials-encyclopedia-d2/AISI D2 is a high-carbon, high-chromium cold-work tool steel widely used for industrial slitter, shear and granulator blades. Chemistry, hardness, heat treatment, applications and cross-reference (SKD11, 1.2379, Cr12Mo1V1).Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/materials-encyclopedia-m2-hss/https://www.machine-knives.net/materials-encyclopedia-m2-hss/AISI M2 is the workhorse high-speed steel (HSS) of the converting and slitting industry. Molybdenum-tungsten-vanadium tool steel, hardened to HRC 62–65, retains hardness at 500–600 °C.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/materials-encyclopedia-skd11/https://www.machine-knives.net/materials-encyclopedia-skd11/JIS SKD11 is the Japanese standard cold-work tool steel, chemically equivalent to AISI D2 but with a tighter vanadium range and typically tighter stock tolerance. The default precision-blade grade in East Asia.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/materials-encyclopedia-tungsten-carbide/https://www.machine-knives.net/materials-encyclopedia-tungsten-carbide/Cemented tungsten carbide (WC-Co) is a powder-metallurgy composite of tungsten carbide grains in a cobalt binder. The standard material for granulator, shear and high-abrasion industrial blades.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/o1/https://www.machine-knives.net/o1/Materials encyclopedia entry for O1.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-corrugated-slitter/https://www.machine-knives.net/selection-guide-corrugated-slitter/Corrugated slitting is one of the most abrasive industrial cutting applications. The substrate is a multi-layer composite of kraft paper + adhesive + flute geometry, running at 200–500 m/min. The wrong blade grade loses 50 % of life. This guide covers single-face, double-face and thin-board slitting, with grade maps and field cases.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-crusher-blade/https://www.machine-knives.net/selection-guide-crusher-blade/Crusher blades take the largest impact loads in industrial cutting. A 30 mm M16 nut in a granulator feed will shatter a D2 blade in 200 cycles. This guide covers jaw, hammer, rotary and impact crusher blades for stone, ore, scrap and ASR.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-doctor-blade-printing/https://www.machine-knives.net/selection-guide-doctor-blade-printing/Doctor blades see high-speed scraping, ink chemistry and metrology-grade edge geometry. The wrong steel grade produces streaking, ghosting, or a 20 % scrap rate. This guide walks through the substrate, the ink, the line speed, the steel grade and the edge prep for flexo, gravure and coating lines.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-foam-rubber-cutting/https://www.machine-knives.net/selection-guide-foam-rubber-cutting/Foam and rubber substrates are gummy, abrasive and chemically variable. The wrong blade grade galls immediately, the wrong edge geometry produces a torn surface, and the wrong cooling makes the problem worse. This guide covers PU foam, PE foam, EPDM rubber, silicone rubber and natural rubber slitting and shearing.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-granulator-knife/https://www.machine-knives.net/selection-guide-granulator-knife/Granulator rotor and bed knives see impact, contamination and abrasive fillers. The right grade, geometry and edge prep separates a 2-week knife from a 6-month one. This guide covers rotor, bed, screen and wear-strip selection for film, rigid, fibre and filled polymer recycling.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-paper-converting/https://www.machine-knives.net/selection-guide-paper-converting/Paper slitting looks simple until you account for the substrate GSM, the caliper variation, the trim, the lay-flat tension and the line speed. This guide walks through the substrate map, the steel grade decision, the edge-prep and clearance targets, and the line-side conditions that determine whether your slitter lasts 7 days or 70 days.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-shear-blade-plate-steel/https://www.machine-knives.net/selection-guide-shear-blade-plate-steel/Plate shear blades see impact, work-hardening substrate and variable stock thickness. The grade, hardness and chamfer choice drive a 10× difference in service life between a mill-spec blade and a generic one. This guide covers carbon steel, stainless, high-strength and abrasion-resistant plate.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/selection-guide-stainless-steel/https://www.machine-knives.net/selection-guide-stainless-steel/Stainless steel work-hardens under the cut, and the wrong blade grade will see service life drop by 3–5×. This selection guide walks through the substrate family, the right steel grade, the right edge prep, and the heat-treat spec for cutting 304, 316, 430 and 17-4PH.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/t1/https://www.machine-knives.net/t1/Materials encyclopedia entry for T1.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/t15/https://www.machine-knives.net/t15/Materials encyclopedia entry for T15.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/troubleshooting-burr-growth/https://www.machine-knives.net/troubleshooting-burr-growth/A slitter knife that produces growing burr is almost always one of four things: hone growth from wear, substrate variation, line condition drift, or heat-treat quality. This article walks through the 10-minute diagnostic and the corrective action for each root cause.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/troubleshooting-edge-chipping-paper-slitter/https://www.machine-knives.net/troubleshooting-edge-chipping-paper-slitter/Edge chipping on a paper slitter has four root causes, and each has a different fix. This article walks through the 10-minute diagnostic — visual, dimensional, hardness, line-side — and the corrective action that actually works.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/troubleshooting-premature-wear/https://www.machine-knives.net/troubleshooting-premature-wear/Premature blade wear has five root causes: substrate mismatch, edge prep error, heat-treat quality, re-grind damage, and line-side operating conditions. This troubleshooting guide walks through the diagnostic flow, the visual tells for each failure mode, and the fixes that actually work.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/troubleshooting-shear-blade-cracking/https://www.machine-knives.net/troubleshooting-shear-blade-cracking/A plate shear blade that cracks at the edge is almost always one of four things: chamfer too small, hardness too high, blade gap wrong, or plate out of spec. This article walks through the diagnostic and the fix for each, with a field case for stainless, mild and AR plate.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/troubleshooting-thermal-damage/https://www.machine-knives.net/troubleshooting-thermal-damage/A slitter knife that turns blue, straw or purple is being annealed in service. The edge temperature has exceeded the tempering temperature. The fix is usually cooling, then grade upgrade, then coating.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/yg10/https://www.machine-knives.net/yg10/Materials encyclopedia entry for YG10.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/yg15/https://www.machine-knives.net/yg15/Materials encyclopedia entry for YG15.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/yg6/https://www.machine-knives.net/yg6/Materials encyclopedia entry for YG6.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/yg6x-vs-yg8-carbide/https://www.machine-knives.net/yg6x-vs-yg8-carbide/YG6X and YG8 are the two most-specified Chinese GB standard tungsten carbide grades for industrial knives. The 2 % cobalt difference looks small but it changes the wear-toughness trade, the impact resistance, and the substrate fit. Here is the engineering comparison.Fri, 18 Sep 2026 00:00:00 GMThttps://www.machine-knives.net/kaipu-5-factor-blade-selection-framework/https://www.machine-knives.net/kaipu-5-factor-blade-selection-framework/A structured method our engineers use to match substrate, geometry, hardness target, edge preparation and operating speed to a production line — without second-guessing the steel grade.Fri, 11 Sep 2026 00:00:00 GMT