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duan gai zhi kou shen du de ce liang
Author(s): 
Pages: 51
Year: Issue:  3
Journal: S&M Electric Machines

Keyword:  端盖止口测量夹具重大意义深度游标卡尺百分表轴向窜动电机测量法离散性标准高度;
Abstract: <正> 测量Y80~160端盖止口深度的偏差大小,对保证电机的轴向窜动、提高电机质量具有重大意义。过去我们测量的方法相当繁琐,参见图1,用深度游标卡尺测出图示的高度h1、h2,再计算出H=h2-h1,即用简接测量法来测量。由于尺寸H的公差一般为0.16mm以下,这样测量误差显然较大。其次是效率较低。由于在批量生产中,数量较多,这一个尺寸却要测量两次,还要计算。更为严重的是,测量数据离散性较大。
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