OD220mm Cardboard Cutting Blades For Slitter Scorer Machine

Cardboard Cutting Blades Razor Slitter Knife Slitter Scorer Machine Blade​

The corrugated cardboard slitting knives ranging in size from 220mm up to 340mm, no more than 1.5 mm thickness of thin blades. We can supply the slitter knives with keyways, pin holes and any combination required with remarkable accuracy.

We own an independent tungsten carbide pressing and sintering plant. We produce knife blanks and final finish the knives all by ourselves, thus we have our quality and cost under our monitor and control. Our corrugated cardboard cutting knife blade have high value for cost.

For the corrugated cardboard conversion and carton manufacturing industry, we can offer you high performance Slitting Blades for machines like Agnati, BHS, Fosber, Gopfert, Isowa, Marquip,Mitsibishi, Peters, TCY. Actually, we can also produce the knives and blades according to your specific demands as per your drawing or sample. We welcome you to get a free quotation from us to get additional suggestions and options.

Common Sizes of Razor Slitter Blade for Corrugated Industry:

Application of Cardboard Cutting Blades:

F.A.Q.

1. The short working life time of corrugated board knives.
Is the grain size of the grinding wheel proper?
Too coarse grain size of grinding wheel: make a short working life time of knives

2. The edges of corrugated boards cut by knives with burr and dent
Please check the cutting edge of your blade. Is the cutting edge keen enough
the corrugated board is too wet ?

3. Break of knife
1) Improper assembly will cause the quick break of blades. Any improper touch of the

blade is strictly prohibited during the working
2) Unstable swing grinding wheels break the knives, please check the bearing of

grinding wheels.
3) Improper touch or strike with other hard things
4) Accident collision of knives.

4. Chips on the cutting edge after the grinding
1) Unstable swing grinding wheels may cause this problem ,even break the knives
2) The strike of hard things may cause the chips on the cutting edge

5.The edge of corrugated board is not straight
Unmatched strength of knives for the corrugated board with high density

Libre is one of the first companies which started development and production of wear-resistant materials. It involves in the research and development of tungsten carbide material, the production of carbide industrial knives and blades and tobacco machinery spare parts. 

Libre has over 20 years' experience of making carbide industrial knvies, specializied in slitting blades. Half of our products are for exportation. We have the ability to cater to requests from customers of different countries. Our "Libre" brand industrial knives take a leading position in both domestic and overseas markets where slitting is required. 

Based in China and located in Chengdu City, we become a factory specialized in carbide slitting blades of comprehensive product category, striving to provide global customers more convenient, faster, stabler services and quality products. 

We keep oursevles at the world-class level by bringing in advanced CNC center and quality checking equipments, hiring high-tech talents to ensure the product quality. We not only develop Chinese market, but also want to have a share of the global market, and provide better and abundant spares and services.