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一、前言 塑料模架中导柱、导套的精度要求和其对应孔的配合要求,国内已经有了统一的设计标准。但是,对于如何保证模架中导柱、导套孔的准确对中,目前国内尚无一个统一的设计标准。
I. INTRODUCTION The precision requirements of the guide posts and guide bosses in the plastic mold frame and the matching requirements of the corresponding holes have already provided a unified design standard in China. However, there is no unified design standard for how to ensure accurate alignment of guide posts and guide bush holes in the mold frame.