Determine the route and arrange the processing sequence (Figure)

The main task of the numerical control process design is to further determine the processing content, cutting amount, process equipment, positioning and clamping mode and tool movement trajectory of this process, and prepare for the preparation of the machining program.

The path of the tool is the trajectory of the tool in the whole process. It not only includes the content of the step, but also reflects the sequence of steps. The route is one of the basis for writing the program. The following points should be noted when determining the route:

1. Seek the shortest machining route and reduce the emptying time to improve machining efficiency

For example, the hole system on the part shown in Fig. 1a is processed. The running path of the figure b is to machine the inner ring hole after the outer ring hole is processed. If you use the c-route route, you can save nearly double the positioning time.

a

b

c

Figure 1 Design of the shortest route

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