1. When the workpiece is too high, it should be roughened by cutting tools of different lengths in layers. After roughening with a big knife, the remaining materials should be removed with a small knife.
2. Use a flat bottom knife to process the plane, and use less ball knives, so as to reduce the processing time; If there is a slope and it is an integer, it should be processed with a slope cutter.
3. Reasonably set the machining tolerance, balance the machining accuracy with the computer calculation time, and do more procedures to reduce the empty tool time.
4. If the hardness of the blank material is high, reverse milling should be selected; The hardness of the blank material is low, so the forward milling should be selected. Reverse milling is preferred for rough machining and forward milling is preferred for finish machining.
5. Machining equipment. The tool material with good toughness and low hardness is suitable for rough machining, and the tool material with poor toughness and high hardness is suitable for finish machining.
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