Q & A Helps You Finding the Best Circular Rolling Knife Partner

Published On: August 5, 2020

Which areas are circular rolling knife used in?

Papermaking, finished paper processing, adhesive tape products, films, wires and cables, rubber, aluminum foil, chemical fiber, non-fabricated fabrics, packaging materials, telecommunications appliances, cigarettes, leather, printing, food, clothing, etc. Because the circular rolling knife has a wide range of applications, it is favored by many manufacturers. Among them, circular rolling knife is widely used in large steel manufacturing plants, steel pipe plants, non-ferrous metal processing plants, cold rolling plants, packaging material plants, etc.


What is the general material for high quality circular rolling knife?

High-quality round circular rolling knife is firstly made of hard alloy as raw material, through a set of perfect vacuum heat treatment process, uniform hardness and precision processing.

Round rolling knife’s high requirements for processing accuracy

Round rolling knife is the most important part of the slitting machine, and its processing precision is extremely high. For the flat surface, you need to use the ultra-fine ice grinding machine, which is ground by a special grinding method and undergoes strict quality control to ensure that the thickness and flatness of all finished products are within 0.003mm (max).

How to tell if your round rolling knife is of high quality?

You should first identify it from the surface: high-quality round rolling knife usually have the following characteristics: low blade resistance, excellent wear resistance, sharpness and durability, cutting edges, and applying grease, sharp edge wear resistance. If the blade has all the above advantages, then this blade is a high-quality round rolling knife。

Analyze from chemical structure :

Micron-level accuracy standards:
Thickness tolerance is within ± 0.003mm (max)
Surface roughness: Rao. 1u


It is said that Rome is not built in a day, and finding suitable suppliers and establishing long-term stable cooperation is not easy to achieve in one day. With a detailed understanding of the above problems, it will be of great help to find the right round rolling knife manufacture for your business. May wish you have a try.

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