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工艺基准一般可分为哪3个基准
更新时间: 2020-10-25 00:00:00  

工艺基准可划分为以下基准:

工序基准:在工序图上,用来确定本工序所加工表面加工后的尺寸、形状、位置所采用的基准;定位基准:加工时用来确定工件在机床上或夹具中正确位置所采用的基准;测量基准:又称大地原点,是测量的参照点;装配基准:测量时所采用的基准,即装配时确定生产对象上的某些点、线、面的位置所依据的点、线、面。

关键词: 工艺 基准 一般 分为

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