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在技工学校钳工生产实习教学中,掌握具有对称度要求工件的加工工艺方法,是凹凸体配合(图1)技能训练课题的教学重点,而解工艺尺寸链是其工艺方法中的一个核心环节。但是长期以来,在各种钳工生产实习和技能训练教材中都未能看到解凹凸体配合工艺尺寸链的计算过程,给教学工作造成了极大的不便。我们曾就此问题展开广泛讨论,深感有必要对此问题进行探究。为此,我进行了一些尝试,在这里供大家参考。由于自己水平有限,不当之处在所难免,欢迎同仁批评指正。
In the production of practical training of fitter school, mastering the processing technology with symmetry requirements of the workpiece is the teaching focus of the asperities with the skill training task (Figure 1), and solving the process of dimensional chain is a core part of its process method. However, for a long time, all kinds of fitter production internship and skills training materials failed to see the solution asperities with the process of calculating the size of the chain, to teaching has caused great inconvenience. We have held extensive discussions on this issue and it is deeply felt that this issue needs to be explored. To this end, I made some attempts, for your reference here. Due to their limited level, the inappropriate place is inevitable, welcome to criticize and correct colleagues.