The order of the processing sequence should be considered according to the structure of the part and the condition of the blank, as well as the need for positioning and clamping. The key point is that the rigidity of the workpiece is not destroyed. The order should generally be based on the following principles:
1. The processing of the previous process can not affect the positioning and clamping of the next process, and the intermediate machining process must be considered in the middle.
2. First, the internal cavity is added to the process, and then the shape processing process is performed.
3. It is best to connect the same positioning, clamping method or the same knife processing to reduce the number of repeated positioning, the number of tool changes and the number of moving plates.
4. In the multiple processes carried out in the same installation, the process of rigid damage to the workpiece should be arranged first.
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