High Precision Tungsten Carbide Film Paper Copper Foil Slitting Knives | OEM Machine Knives & Blades Factory
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High Precision Tungsten Carbide Film Paper Copper Foil Slitting Knives

High Precision Tungsten Carbide Film Paper Copper Foil Slitting Knives

Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a leading manufacturer of high-precision circular slitting knives engineered for the most demanding thin material slitting applications. Our industrial-grade slitting blades are designed to deliver clean, burr-free cuts on ultra-thin films, paper, and copper foil at high production speeds. Manufactured from premium tool steels and tungsten carbide with advanced heat treatment and precision grinding, these blades offer exceptional edge retention and micron-level accuracy, maximizing your slitting line efficiency and product quality.

  • Order(MOQ) :

    1
  • Payment :

    TT,LC
  • Product Origin :

    China
  • Color :

    N/A
  • Shipping Port :

    Ma'anshan Shipping Port
  • Lead Time :

    30 days

Ma'anshan Guangchuan circular slitting knives feature mirror-polished cutting edges and ultra-high flatness, delivering consistent performance on all major slitting and rewinding machines. They effectively eliminate common issues like burr formation, edge fraying, and material deformation, ensuring superior slit quality.

Technical Specifications

Parameter

Description

Material Options D2 (SKD11), HSS (M2), LD, High-Grade Tungsten Carbide (Customizable)
Hardness (HRC) 58-64 HRC (Tool Steel); 88-92 HRA (Tungsten Carbide)
Outer Diameter (OD) Range: 50mm to 300mm+ (Fully Customizable)
Inner Diameter (ID) Precision bore size for secure fit on arbors (e.g., 25.4mm, 40mm, 50mm)
Edge Geometry Single Bevel, Double Bevel, Razor Edge, Custom Cutting Angles (15°-30°)
Application Vacuum Heat Treatment, Deep Cryogenic Treatment, Precision CNC Grinding, Mirror Polishing

Main Features

  • Micron-Level Precision Machining: Manufactured to industry-leading flatness and runout tolerances, ensuring uniform cutting pressure across the entire blade circumference.
  • Mirror-Polished Cutting Edge: Ultra-smooth edge finish prevents material adhesion and tearing, critical for slitting delicate copper foil and thin films.
  • Premium Tungsten Carbide Option: Tungsten carbide blades provide longer service life than tool steel blades for high-volume copper foil slitting.
  • Full dynamic balancing: All blades undergo precision dynamic balancing in accordance with G1.0 standards to ensure vibration-free operation at high speeds.
  • Precision Mounting System: Accurately machined bores and keyways ensure perfect alignment with slitter arbors, eliminating blade slippage.

Advantages

  • Flawless Slit Quality: Guaranteed burr-free, straight edges on all thin materials, eliminating secondary finishing operations and improving product marketability.
  • Exceptional Edge Retention: Advanced material and heat treatment processes significantly extend blade life, reducing the frequency of blade changes.
  • Minimal Production Downtime: Quick and easy blade replacement, combined with long service intervals, maximizes slitting line uptime.
  • Ideal OEM Compatibility: Precision-machined dimensions ensure drop-in replacement for all major slitting machine brands with no modifications required.
  • Cost-effective OEM alternatives: Direct-from-manufacturer pricing makes these high-quality blades more affordable than OEM replacement parts.

Product Applications

  • Machine Compatibility: Slitting and Rewinding Machines, Rotary Shear Lines, Precision Slitters, High-Speed Converting Machines.
  • Material Compatibility: BOPP, PET, PE, PVC films, thermal paper, kraft paper, copper foil, aluminum foil, lithium battery foils.
  • Industry Applications: Flexible Packaging, Printing and Converting, Electronics Manufacturing, Battery Production, Label Manufacturing.

Why Choose Us

  • Slitting Industry Expertise: Deep understanding of the specific cutting challenges in thin material slitting operations.
  • Rigorous Quality Control: Every blade undergoes inspection for flatness, runout, and edge sharpness before shipment.
  • Advanced Manufacturing Capabilities: State-of-the-art CNC grinding and heat treatment facilities ensure consistent, high-quality production.
  • Comprehensive Customization Service: Full engineering support for custom dimensions, materials, and edge profiles.
  • End-to-End Technical Support: Our experienced team offers expert guidance on blade selection, installation, and maintenance to optimize your slitting line performance.
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