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How to divide cnc processing procedures

Jun 24 , 2021

The division of CNC machining procedures can generally be carried out according to the following methods:


1. The tool centralized ordering method is to divide the processes according to the tools used, and use the same tool cnc to process all the parts that can be completed on the part. Use the second knife and the third knife to complete other parts they can complete. This can reduce the number of tool changes, reduce idle time, and reduce unnecessary positioning errors.


2. According to the ordering method of processing parts, for parts with a lot of CNC processing content, the processing part can be divided into several parts according to its structural characteristics, such as inner shape, shape, curved surface or plane, etc. Generally, the plane and positioning surface are processed first, and then the hole is processed; the simple geometric shape is processed first, and then the complex geometric shape is processed; the parts with lower precision are processed first, and then the parts with higher precision requirements are processed.


3. For parts that are prone to CNC machining deformation by the rough and fine CNC machining sequence method, due to the deformation that may occur after rough machining, the shape needs to be corrected. Therefore, in general, all the rough and finishing processes must be adjusted. separate. In summary, when dividing the process, we must flexibly grasp the structure and manufacture ability of the part, the function of the machine tool, the number of CNC machining content of the part, the number of installations and the production organization of the unit. It is also recommended to adopt the principle of process concentration or the principle of process dispersion, which should be determined according to the actual situation, but must strive to be reasonable.

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