Modification of polishing process belongs to the surface topography. The surface of grinding or coating with different polishing methods. In addition to the Troyes polishing parts of large batch,there are commonly used in tool in the production of brush method and blasting method. These methods are not novel, has been in use for many years in the production of cutting blade, such ascauliflower like surface structure for polishing of CVD thick coating. Cutting blade is polished in cutting 6 minutes after the show wear very uniform. Without polishing blade show micro cracksparallel, this can lead to rapid wear band becomes wider, and the tool failure in advance. ?

The polishing method is now also often used for PVD coating. As in the hole machining of bladesurface of a PVD coating, can be seen in the PVD arc method is called "structure of liquid drop".These droplets role as the bed of stones, hindering the process of elimination of chip, which was especially bad in hole machining. If can make chip quickly and less friction excluded, then cut thecontact time between chip and tool to reduce the quantity of heat transfer, the tool also reduced.From chip hinder excluded the cutting force is smaller, avoid chip produce occlusive and jam in thedrill bit, milling slot. Regulating the quality depends on the selection of process parameters on thepolishing and polishing method.

The polishing process is explicit, we look at a Hemp flowers bit example. A measuring instrument for the final inspection and development, determination of cutting chip flute of friction. Reduce thefriction and surface condition on. Drill groove friction coefficient polished only unpolished 25%. The processed bit allows the cutting parameters and the drilling depth of higher. In addition, the chipmore stable exclude also prolongs tool life.