3) Select the tool according to the processing stage of the parts. That is, the rough machining stage to remove the allowance, should choose a better rigidity, low accuracy of the tool, semi-finishing, finishing stage to ensure the processing precision and product quality of the parts, should choose high durability, high precision of the tool, the precision of the rough machining stage of the tool is the lowest, and the precision of the finishing stage of the tool.
If the same tool is selected for rough and finish machining, it is recommended that the tool selected for finish machining be eliminated during rough machining, because the tool wear situation of finish machining is mostly slight edge wear, coating wear and finish, continue to use will affect the quality of finish machining, but the impact on rough machining is small.
Kevin
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