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使用公差第一件大事是决定采用基孔制呢还是基轴制,基轴与基孔实际上各有利弊,而且牵涉极广(细节非本文目的,故不赘述),一经决定,影响以后出品的质量成本甚巨,所以事先应加周详考虑,慎重从事,决不是件随心所欲的非技术工作,目前似有不加研究的偏向,并一概使用基孔制,(工业不上
The use of tolerance The first big thing is to decide whether to use the base hole system or the basic shaft system, the basic shaft and the base hole in fact has its own advantages and disadvantages, and involves a very wide (details of non-purpose of this article, it does not go into details), once decided, The cost of quality is very huge. Therefore, careful consideration and careful consideration should be given in advance. It is by no means a non-technical work that is arbitrary. At present, there seems to be no research bias.