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Factors Affecting Tool Life
In order to improve the service life of the tool, it is necessary to know the material and state of each workpiece to be processed, as well as the range of the linear speed of the selected tool.
Release time:
2022-09-01
1. Linear speed
Linear speed has the greatest impact on tool life. In order to improve the service life of the tool, it is necessary to know the material and state of each workpiece to be processed, as well as the range of the linear speed of the selected tool. The data of the line speed during roughing and finishing are not consistent. The rough machining is mainly to remove the allowance, and the line speed is low; the finishing is mainly to ensure the dimensional accuracy and roughness, and the line speed is high.
2. Depth of cut
The effect of depth of cut on tool life is not as large as that of linear speed. Each geometry has a relatively large depth of cut range. When roughing, the depth of cut should be increased as much as possible to ensure the maximum allowance removal rate; when finishing, the depth of cut should be as small as possible to ensure the dimensional accuracy and surface quality of the workpiece. However, the depth of cut cannot exceed the cutting range of the geometry.
3. Feed
Compared with linear speed and depth of cut, feed has the least impact on tool life, but has the greatest impact on workpiece surface quality. When roughing, increasing the feed can improve the removal rate of the allowance; when finishing, reducing the feed can improve the surface roughness of the workpiece. When the roughness allows, the feed can be increased as much as possible to improve the processing efficiency.
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