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CNC machining plastic prototypes and metal prototypes are similar, but there are also many different places because there are many kinds of plastic, different plastics are also processed differently. CNC plastic prototypes need to pay attention to a lot of details. What details need to be paid attention?
1. When CNC machining a plastic prototype, the problem that often occurs is--Break, crack, collapse, scratch. At the end of the day, the knife speed is wrong, everything is in vain. Domestic plastic material suppliers are really mixed, so when processing, it takes a short period of trial operation. If it is not in a hurry, different batches of materials need to be trial-produced! The change of things brought by the supplier becomes beyond recognition.
2. Another problem is the choice of the knife, don't use tools that process metal to process plastic prototypes. The hardness between different materials is different. For example, nylon processing is not like processing metal. One knife goes down and debris flies.
3. When arranging the processing process, it should be based on the principle of coarse refinement. First arrange heavy cutting and rough machining, remove the machining allowance on the blank, and then arrange the content with low machining accuracy requirements.
4, using a large flow cooling method, in order to reduce the impact of a large amount of heat generated during processing on the processing accuracy, in order to improve the durability of the tool, it is necessary to actively adopt a large flow cooling method.
The above is the problem that needs attention when CNC machining plastic prototypes.
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