This paper expounds the application of "graph theory" in machinofacture, Such as, analysis of process engineering, calculation of technological dimension chain and assemblage dimension chain, etc.

阐述“图论”在机械制造中的工艺过程分析、工艺尺寸链和装配尺寸链的计算等方面的应用。

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By the improvement of blanking dimension, using the technological method of only compressing profile part and conical body splice is mainly introduced.

着重介绍了通过对下料尺寸的改进，采用只压型线部分，锥筒部分拼接的工艺方法。

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So taking proper technological methods, jig and fixture is very important to assure parts' processing, according to different shape, dimension, and accuracy.

必须针对不同的零件外形、尺寸和精度要求，采取相应的工艺方法和装备来保证零件的顺利加工。

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