30° Crush Cutting Knives

30° (2)_精修 拷贝
magnifying
30°_精修 拷贝
magnifying
30° (2)_精修 拷贝
30°_精修 拷贝

30° Crush Cutting Knives

30° Crush Cutting Knives are precision slitting knives designed for rewinders, flexographic printing machines, inspection equipment, and slitting machines. The 30-degree cutting edge provides controlled crush cutting performance for a wide range of lightweight and flexible web materials.
They are suitable for cutting paperboard, adhesive tapes, labels, metal films, flexible laminates, composite materials, and nonwoven fabrics (NWF). Standard diameters range from 35 mm to 180 mm, with custom dimensions available according to customer drawings or machine specifications.
WINGCHONG KNIFE manufactures custom crush cutting knives using high-quality tool steel, high-chromium steel, and other material options selected according to the cutting application.

Key Features

  • 30° precision cutting edge for controlled crush cutting

  • Standard diameters from 35 mm to 180 mm

  • Rounded-edge and serrated-edge profiles available

  • Suitable for lightweight paperboard, films, labels, tapes, laminates, and NWF

  • Tool steel and high-chromium steel options

  • Custom dimensions manufactured to drawings or machine specifications

  • Compatible with major pneumatic knife holders

  • Custom counter sleeves and bottom shaft components available

Materials We Can Cut

30° Crush Cutting Knives are suitable for various web materials, including:

  • Lightweight paper and paperboard

  • Adhesive tapes

  • Labels

  • Metal films and foils

  • Plastic films

  • Flexible laminates

  • Composite materials

  • Nonwoven fabrics (NWF)

 

The knife edge geometry and material can be selected according to the hardness, thickness, and cutting characteristics of the material.

Custom Crush Cutting Knife Manufacturing

As a custom slitting knife manufacturer, WINGCHONG KNIFE can manufacture crush cutting knives according to your specific machine and application requirements.

Customization options include:

 

Inner Diameter Thickness
25/30 5/10/15/20/25
25/40 5/10/15/20/25
25/40 5/10/15/20/25
45/60 5/10/15/20/25
60 5/10/15/20/25
60 5/10/15/20/25
60 5/10/15/20/25
80/90 5/10/15/20/25
100 / 120 5/10/15/20/25
150 / 160 / 210 5/10/15/20/25
150 / 160 / 210 5/10/15/20/25
150 / 160 / 210 5/10/15/20/25
245  
250 / 270  
310  
360  
410  
450
Material: 1.2379、chrome-alloyed (1.5 % Cr), high-chrome-alloyed tool steels (12 % Cr)

 

● Knife diameter

● Bore diameter

● Knife thickness

● Cutting angle

● Edge profile

● Rounded or serrated edge

● Material

● Surface finish

● Dimensional tolerances

 

In addition to the standard 30° cutting angle, 45° and 60° edge angles can also be manufactured for applications requiring different cutting characteristics.

Pneumatic Knife Holder Compatibility

 Crush Cut Knives

These crush cutting knives are designed for use with pneumatic knife holders and various slitting systems used in converting and printing applications.

To provide better system compatibility, WINGCHONG KNIFE can also manufacture custom counter sleeves, bottom shaft components, and related slitting accessories according to customer drawings or equipment specifications.

Applications

 Crush Cut Knives

30° Crush Cutting Knives are commonly used in:

 

● Slitter rewinders

● Flexographic printing machines

● Inspection machines

● Slitting and cutting machines

● Label converting

● Flexible packaging

● Adhesive tape converting

● Film and foil processing

● Nonwoven converting

Why Choose WINGCHONG KNIFE?

  • 01

    Custom Manufacturer: Knives are manufactured according to your drawings, samples, or machine specifications.

  • 02

    Precision Edge Geometry: 30°, 45°, and 60° cutting angles are available for different materials and applications.

  • 03

    Flexible Edge Profiles: Rounded and serrated cutting edges can be customized.

  • 04

    Material Options: Tool steel, high-chromium steel, and other knife materials are available.

  • 05

    Complete Slitting Components: Counter sleeves and bottom shaft components can be manufactured to match the knife system.

  • 06

    B2B Manufacturing Support: Suitable for OEM replacement, machine builders, distributors, and industrial end users.

WHY US

Industry-Leading Innovation Capabilities
One-Stop, Direct-Source Supply
Deep-Rooted Professional Expertise
Meticulous Quality Control
Efficient and Controllable Economic Benefits
Flexible and Diverse Customization Services
Broad and Deep Industry Insights
Unwavering Customer Trust