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电力机车牵引电机及传动齿轮的制造检测中,要使用一种精密的锥度环规(见图1),这种环规的技术要求:1.环规工作面表面粗糙度(?)。2.环规工作面园锥母线直线度不大于0.004毫米。3.环规与校对塞
Electric locomotive traction motor and transmission gear manufacturing testing, to use a precision taper ring gauge (see Figure 1), this ring gauge technical requirements: 1. Ring Gauge surface roughness (?). 2. Ring Gauge Park Cone straightness is not greater than 0.004 mm. 3 ring gauge and proofing plug