Engaged in the operation of CNC machine tools, you must understand:
1. Understand the drawings. Fundamentals of mechanical industry.
2. NC programming. The foundation of numerical control industry.
3. Tool knowledge.
4. Treatment method.
5. Material foundation, a little knowledge can reasonably choose tools and cutting parameters.
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If you want to engage in design, you must understand the foundation and technology of mechanical design.
I just arrived at the factory from school, and I think I was taken by the master for a while. Personally, I feel that many things are unfamiliar. This has nothing to do with it. The most important thing is that there can be no problems on the basis of reading pictures and programming, otherwise the master will have to start from scratch.