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gong xu chi cun de gen zong tu jie fa
Author(s): 
Pages: 15-16,29
Year: Issue:  4
Journal: GANSU SCIENCE AND TECHNOLOGY

Keyword:  设计基准工艺基准尺寸链工序尺寸跟踪图解;
Abstract: 在制定零件的机械加工工艺时,由于工艺上的原因,常常需要进行尺寸换算以求得其工序尺寸及其公差.特别是轴套类工件轴向方向的尺寸较多,在加工这些尺寸时定位基准需要多次转换,所以其工序尺寸、余量及其公差的确定就比较复杂.通过实例介绍工艺尺寸的换算方法:跟踪图解法.用此法来建立工艺尺寸链、计算各工序尺寸及其公差的数值尤为方便.
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