Surface polishing to avoid possible adverse effects on tool performance running effect. Research shows that, the overall carbide tool in the 10 borehole initially made are in the "running" state, andthe feed force almost only half. Cutter polished showed very good as there is no "performancerunning". In order to ensure that the tool performance, the surface treatment is an absolute necessity in dry cutting. But even in wet cutting in the traditional surface polishing, throughappropriate can significantly prolong tool life, the cutting is more reliable. ?

Most of the surface after grinding with a grinding traces of typical periodic structure. If immediatecoating, the shape is preserved. However, because of the impact on surface processes such asedge rounding (mostly by sandblasting or brushing) or coating pretreatment are necessary, and must therefore be modified grinding surface. The right of these processes can have a beneficial impact on. Horizontal grinding marks along the swarf discharging direction will have a negative impact on discharge swarf, should be smooth, obtain a macroscopically smooth surfaces. The surface of such pre treated can be polished again in the coating, this is more simple and effective.