45° Crush Cutting Knives

45° (2)_精修 拷贝
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45°_精修 拷贝
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45° (2)_精修 拷贝
45°_精修 拷贝

45° Crush Cutting Knives

45° Crush Cutting Knives are precision-manufactured slitting knives designed for slitter rewinders, flexographic printing machines, inspection equipment, and integrated slitting systems. The 45-degree cutting edge provides reliable crush-cutting performance for a wide range of lightweight and flexible web materials.
They are suitable for cutting lightweight paperboard, adhesive tapes, labels, metal foils, laminates, flexible composites, and nonwoven materials (NWF). Standard knife diameters range from 35 mm to 180 mm, while custom dimensions can be manufactured according to customer drawings, machine specifications, and application requirements.
WINGCHONG KNIFE manufactures custom crush cutting knives using high-quality tool steel, high-chromium steel, and other suitable steel grades selected according to the material and cutting conditions.

Key Features

  • 45° precision cutting edge for controlled crush cutting

  • Standard diameters from 35 mm to 180 mm

  • Rounded and serrated edge profiles available

  • Suitable for paperboard, films, labels, tapes, laminates, and nonwoven materials

  • Tool steel and high-chromium steel options

  • Custom dimensions and tolerances available

  • Compatible with major pneumatic knife holders

  • Custom counter sleeves and bottom shaft components available

Materials We Can Cut

45° Crush Cutting Knives are suitable for:

  • Lightweight paper and paperboard

  • Adhesive tapes

  • Labels

  • Plastic and metal films

  • Flexible laminates

  • Composite materials

  • Nonwoven fabrics (NWF)

 

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

Custom Crush Cutting Knife Manufacturing

As a custom slitting knife manufacturer, WINGCHONG KNIFE manufactures crush cutting knives according to your 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

● Steel grade

● Surface finish

● Dimensional tolerances

 

Although 45° is the primary cutting angle of this knife series, 30° and 60° cutting angles can also be manufactured for applications requiring different cutting geometries.

Pneumatic Knife Holder Compatibility

 Crush Cut Knives

These 45° Crush Cutting Knives are designed for use with pneumatic knife holders and slitting systems used in printing, converting, and web-processing applications.

For complete system compatibility, WINGCHONG KNIFE can also manufacture custom counter sleeves, bottom knife shaft components, and related slitting accessories according to customer drawings and equipment specifications.

Applications

 Crush Cut Knives

45° Crush Cutting Knives are commonly used in:

 

● Slitter rewinders

● Flexographic printing machines

● Inspection machines

● Integrated slitting systems

● Label converting

● Flexible packaging

● Adhesive tape converting

● Film and foil processing

● Nonwoven converting

Why Choose WINGCHONG KNIFE?

  • 01

    Custom Manufacturer: Manufactured according to drawings, samples, or machine specifications.

  • 02

    Precision Cutting Geometry: 45° edges provide controlled cutting performance for different web materials.

  • 03

    Flexible Edge Profiles: Rounded and serrated edge designs are available.

  • 04

    Material Selection: Tool steel, high-chromium steel, and other suitable grades can be specified.

  • 05

    Complete Component Support: Counter sleeves and bottom shaft components can be manufactured to match your slitting system.

  • 06

    B2B Manufacturing Capability: Suitable for OEM replacement, machine builders, distributors, and industrial 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