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December 30, 2022
Advantages and Disadvantages of Turning Milling Composite Machining Process for Micro Parts
The turning milling compound machining of micro structural parts is a highly intensive process, which embodies the basic characteristics of complete machining. That is, all processing procedures of a part should be arranged on one machine tool as far as possible, and the number of repeated positioning and clamping should be reduced. Complete machining is first to reduce the auxiliary time of the process, improve the processing efficiency, and ensure a certain batch production capacity. More importantly, it is to avoid the machining error of parts due to the loss of coordinate information caused by dare to re clamp. Therefore, studying the complete machining process is an important way to improve the machining accuracy of parts.
In the micro mechanical turning milling composite processing, the role of machining process planning can not be ignored. Process planning includes clamping planning, processing method selection and process sequence planning. Process sequence planning is the most critical link in process planning: the process planning problem of micro turning milling parts is also the problem of determining the cutting removal sequence of different structural characteristics. Different removal sequences not only affect the processing accuracy The processing efficiency and cost also affect the stability of the processing technology of the parts and the subsequent use performance of the parts.
In addition, excellent, efficient and high-precision machining quality is often achieved by advanced processing technology and auxiliary related technologies. For example, in the processing of micro and small parts, the wear or damage of micro and small tools directly affects the processing quality of the parts, so it is necessary to carry out research on the wear rules of tools and wear and damage detection technology; The research on the surface roughness of micro parts and the optimization method of process parameters can better meet the processing requirements of high-precision and high-efficiency micro complex structural parts only by solving the key technology of turning milling composite processing technology.
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