How is part machining performed?

It is impossible for part processing to complete all the processing contents of all surfaces in one process. The entire processing process of parts processing can be divided into the following stages. Let me know about you below.

First, the roughing stage. Most of the machining allowance of each machined surface is removed, and the fine reference is machined, and the main consideration is to increase the productivity as much as possible.

Second, the semi-finishing stage. To remove the defects that may occur after rough machining, to prepare for the finishing of the surface, it is required to achieve a certain machining accuracy, ensure an appropriate finishing allowance, and complete the machining of the secondary surface at the same time.

Third, the finishing stage. At this stage, parts processing adopts large cutting speed, small feed and cutting depth, and removes the finishing allowance left by the previous process, so that the surface of the part meets the technical requirements of the pattern.

Fourth, the finishing stage. It is mainly used to reduce the surface roughness value or strengthen the machined surface. It is mainly used for surface machining with high surface roughness requirements (ra≤0.32 μm).

Fifth, the ultra-precision machining stage. The processing accuracy is 0.1-0.01μm, and the surface roughness value ra≤0.001μm is in the processing stage. The main processing methods are: precision cutting, fine mirror grinding, precision grinding and polishing.

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