What preparations should be made before CNC programming?

After determining the machining process, it is necessary to understand before programming:

1. Workpiece clamping method;

2. The size of the workpiece's rough embryo - in order to determine the processing range or whether multiple clamping is required;

3. The material of the workpiece - in order to choose which tool to use for processing;

4. What are the tools in stock? Avoid modifying the program due to the lack of this tool during processing. If it is necessary to use this tool, it can be prepared in advance.