Aluminum parts with rapid tooling PRODUCTÂ DESCRIPTION For the problem of the injection mold processing process, there are generally four stages, first preparation stage, second surface processing, reheating stage, and final debugging identification stage. Each stage plays a key role, such as the preparation stage. It can be imagined that it is the same thing to have a plan and an implementation plan. In the preparation stage, we need the overall requirements of the mold, design, parts, and process. , materials, finished product estimates, etc. are written and determined. Heat treatment stage, an important part of quality assurance