脱兔电竞

机械加工余量是什么意思?

  在机械加工工艺中,每一工序加工的依据是各个加工表面的工序尺寸及其公差。确定工序尺寸,首先要确定加工余量。所谓加工余量,是指在机械加工过程中,从加工表面切除的金属层厚度。加工余量分为工序余量和加工总余量。

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