1. Minimize the number of tools
2. After a tool is clamped, it should complete all its processing steps;
3. Crude finishing tools should be used separately, even if the same size of the tool;
4 before drilling after drilling;
5. First surface finishing, after two-dimensional contour finishing;
6. Where possible, should be used as far as possible CNC machine tool automatic tool change function, in order to improve production efficiency.
