Lithium Battery / Aluminum Foil Film Circular Cutting Blades

Lithium battery and aluminum foil film circular cutting blades are high-precision industrial cutters engineered specifically for slitting electrode materials, battery foils, composite films, and separator membranes used in modern battery production. These blades are commonly manufactured from tungsten carbide or technical ceramic materials, delivering superior wear resistance, sharpness, and dimensional stability.

With their ultra-fine edge finish and extremely tight tolerances, they ensure clean cuts, zero burrs, and minimal dust generation, which is critical for high-efficiency lithium battery manufacturing.

Purpose

These circular cutting blades are designed to:

• Achieve precise slitting of lithium battery materials

• Produce clean, burr-free cuts for improved battery safety and performance

• Maintain stable cutting quality during high-speed continuous production

• Reduce foil deformation, wrinkling, and edge defects

• Extend operational life, minimizing downtime and replacement frequency

Key Features

1. Ultra-Sharp Cutting Edge

• Precision edge grinding ensures smooth, clean cuts

• Reduces burrs, preventing metal particles that can affect battery quality

2. High Wear Resistance

• Tungsten carbide and ceramic materials provide long cutting life

• Excellent under continuous high-speed operations

3. High Dimensional Accuracy

• Ultra-tight tolerances (±0.003–0.01 mm)

• Ensures consistent material width and stable roll formation

4. Stable at High Temperatures

• Maintains hardness during high-friction, high-speed cutting

• Prevents blade softening and deformation

5. Smooth Cutting Surface

• Reduces friction and drag

• Protects soft separator films and composite materials from tearing

6. Customizable Specifications

• Outer diameter, inner diameter, thickness

• Single bevel / double bevel / compound bevel

• Surface treatments: TiN, TiCN, DLC, ceramic coatings

• Material options: HSS, tungsten carbide, zirconia ceramic