All the parameters of the tool are determined by the relative movement of the grinding wheel and the tool. Therefore, the diameter of the grinding wheel, the angle at which the grinding wheel directly participates in the cutting, the flange length of the grinding wheel shaft, the wear of the grinding wheel and the particle size of the grinding wheel all affect the tool's performance. Accuracy.

Accuracy of grinding wheel diameter measurement Inaccurate measurement of grinding wheel diameter may cause: the outer diameter of the tool does not meet the requirements; the width of the cutting edge does not meet the requirements; the shape and depth of the knife groove do not meet the requirements; the stepped part of the step drill Cannot clear the root or clear the root too deep.

Accuracy of the angle measurement or input of the grinding wheel. Inaccurate measurement or input of the angle of the grinding wheel may cause: the width of the cutting edge band does not meet the requirements; the angle of the stepped surface of the step tool does not meet the requirements; the position or angle of the rear angle of the tool has an error; There is an error in the groove angle of the chip flute.

The accuracy of the distance measurement of the grinding wheel flange If the distance measurement of the grinding wheel flange is not accurate, the actual grinding point of the grinding wheel will change, and the above problems will also occur.

The degree of wear of the grinding wheel The grinding wheel will wear a certain amount after a period of use. When the worn grinding wheel is used for grinding, the actual grinding point of the grinding wheel has been changed, which will directly affect the geometric accuracy of the tool. Part of the root removal and the position of the tool flank do not meet the requirements.

The particle size of the grinding wheel affects the accuracy of the tool. The particle size of the grinding wheel has a direct impact on the surface roughness of the tool. Since the machining of slender rod-shaped tools is formed by one clamping and grinding, and the same grinding wheel is used for rough and fine grinding, the choice of a larger and harder grinding wheel for processing will help improve the surface roughness of the tool.