What can affect the quality of carbide rolls?

December 01, 2022

What can affect the quality of carbide rolls?

Tungsten carbide rolls have been used in all areas of metal plasticity processing. From non-ferrous metals to steel, from hot rolled wire rod and tube to cold rolled foil strip and rebar, tungsten carbide rolls are used. Tungsten carbide rolls are widely used from, and thus the quality of carbide rolls is increasingly demanding, so do you know what factors affect the quality of carbide rolls?
Carbide roll quality standards are: material porosity, WC grain size, total and free carbon content, density, hardness, magnetic saturation strength, coercive magnetic force, bending strength, impurity content, etc.. In addition, there is the processing accuracy and surface roughness of the rolls.

Each indicator of high or low reflects the quality of the roll and foreshadows its performance. Factors affecting the quality of rolls are: the dispersion of WC powder and Co powder in the mixture, particle size and particle size distribution, total carbon, free carbon, oxygen, iron content, etc.; the type and quantity of rubber for pressing, the temperature and time of debinding, the temperature, time and atmosphere of sintering, etc.. In addition, the precision of the grinding machine for processing rolls, the quality of diamond grinding wheels, etc. all affect the quality of rolls.

Cemented carbide rolls

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