Industry Information

How to divide CNC machining processes?

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

1. The centralized tool sorting 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. Use the second and third knives to complete other parts that they can complete. This can reduce the number of tool changes, compress the idle time, and reduce unnecessary positioning errors.

2. For parts with a lot of CNC machining content, the machining part can be divided into several parts according to its structural characteristics, such as internal shape, external shape, curved surface or plane, using the sorting method of machining parts. Generally, the plane and positioning surface are processed first, and then the hole is processed; First process simple geometric shapes, then process complex geometric shapes; First process the parts with lower accuracy, and then process the parts with higher accuracy requirements.

3. For parts that are prone to CNC machining deformation, the rough and fine CNC machining sequence method requires calibration due to the possible deformation after rough machining. Therefore, generally speaking, all processes that require rough and fine machining must be separated. In summary, when dividing processes, it is necessary to flexibly grasp the structure and craftsmanship of the parts, the functions of the machine tool, the amount of CNC machining content for the parts, the number of installations, and the production organization status of the unit. It is also recommended to adopt the principle of centralized or decentralized processes, which should be determined based on the actual situation, but must strive to be reasonable.

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