2. What principles should be followed in the arrangement of processing sequence?

The arrangement of machining sequence shall be considered according to the structure and blank condition of parts and the needs of positioning and clamping, with the focus on the rigidity of the workpiece not being damaged. The sequence shall generally follow the following principles:

1. The processing of the previous process shall not affect the positioning and clamping of the next process, and the general machine tool processing process interspersed in the middle shall also be comprehensively considered.

2. First carry out the machining process of inner shape and inner cavity, and then carry out the contour machining process.

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