PRODUCT DETAILS
Large Diameter D2 Tool Steel Paper Fabric Slitting Circular Knives
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a leading manufacturer of large-diameter circular slitting knives built for wide-roll paper and fabric bundle slitting operations. These heavy-duty round blades deliver clean, fray-free cuts on bulk paper rolls, woven textile bundles, non-woven fabrics and flexible sheet materials at high running speeds. Manufactured from premium tool steels with vacuum quenching and precision CNC grinding, they deliver outstanding edge retention and stable slitting accuracy, boosting overall productivity for paper converting and textile processing lines.
- Order(MOQ)
- 1
- Payment
- TT,LC
- Product Origin
- China
- Color
- N/A
- Shipping Port
- Ma'anshan Shipping Port
- Lead Time
- 30 days
Need a custom size or material? Send us your drawing.
Product details
Our large-diameter slitting knives adopt full-body hardening with mirror-finished cutting edges, fitting all mainstream wide-format slitting machines. They deliver uniform cutting pressure across the full blade diameter, eliminating edge fraying and uneven slit width on paper and fabric rolls.
Technical Specifications
|
Feature |
Technical Details |
| Material | D2 (SKD11), HSS (M2), 9CrSi, High-Grade Tungsten Carbide (Customizable) |
| Hardness | 58-62 HRC (Tool Steel); 88-92 HRA (Tungsten Carbide) |
| Tolerances | Flatness ≤ 0.003mm; Radial Runout ≤ 0.005mm; Inner Bore Tolerance H6 |
| Outer Diameter (OD) | Range: 200mm to 600mm+ (Fully customizable for wide slitting lines) |
| Inner Diameter (ID) | Precision bore for secure arbor mounting (e.g., 40mm, 50mm, 80mm, 100mm) |
| Edge Geometry | Single Bevel, Double Bevel, Razor Edge, Custom cutting angles |
| Processing | Vacuum Heat Treatment, Deep Cryogenic Treatment, Precision CNC Grinding, Mirror Polishing |
Main Features
- Wide-Roll Slitting Precision: Large-diameter structure adapts to wide-format slitting lines, with ultra-high circumferential flatness to ensure uniform cutting force and consistent slit width without edge deviation.
- Premium Wear-Resistant Steel Matrix: High-chrome D2 tool steel and optional HSS grades provide exceptional abrasion resistance, maintaining sharp cutting edges through long continuous slitting runs.
- Dynamic Balanced Construction: Every large circular knife undergoes strict dynamic balancing treatment to eliminate rotational runout and vibration, preventing fabric fraying and paper burrs at high speeds.
- Precision Machined Center Bore: Tight-tolerance inner bore ensures a tight, secure fit on slitter arbors, eliminating blade slippage and maintaining stable cutting alignment.
- Mirror-Polished Sharp Edge: Multi-stage precision grinding produces a razor-smooth, burr-free cutting edge that cuts cleanly through paper fibers and woven yarns without pulling or tearing.
Advantages
- Fray-Free Clean Cut Edges: Polished sharp edges deliver smooth, neat slit surfaces on both paper and fabric, eliminating secondary trimming and reducing raw material waste.
- Longer Production Run Time: Superior wear resistance significantly extends sharpening intervals, reducing machine downtime for blade maintenance and replacement.
- Broad Material Adaptability: Stable cutting performance across kraft paper, coated art paper, woven fabrics, non-woven textiles and bundled fabric rolls.
- Drop-In OEM Compatibility: Precision-machined dimensions enable direct replacement on all major wide-format slitting machine brands without modification.
- Cost-Effective OEM Alternative: Factory-direct pricing delivers OEM-grade quality and durability at substantially lower unit costs for high-volume production.
Product Applications
- Core Slitting Tasks: Wide-format paper roll slitting, fabric bundle slitting, non-woven fabric converting, textile roll trimming.
- Material Compatibility: Kraft paper, coated art paper, tissue paper, woven textiles, non-woven fabrics, fabric bundles, flexible film laminates.
- Industry Coverage: Paper mills, paper converting plants, textile processing factories, dyeing & finishing mills, flexible packaging manufacturers.
- Matching Equipment: Wide-format slitter rewinders, fabric slitting machines, paper slitting lines, roll slitting equipment.
Why Choose Us
- Fibrous Material Slitting Expertise: Deep understanding of cutting challenges for paper and textile materials, with optimized edge designs to minimize fraying and burrs.
- Strict Pre-Delivery Inspection: Every blade passes full tests of flatness, runout, hardness and edge sharpness to ensure consistent batch quality.
- Full Customization Capability: Custom outer diameters, inner bores, edge profiles and material grades to match unique slitting line configurations.
- Advanced Production Facilities: State-of-the-art CNC grinding equipment and vacuum heat treatment lines guarantee stable, high-precision mass production.
- Targeted Technical Support: Professional guidance on blade selection, installation clearance and sharpening maintenance to optimize slitting line performance.
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