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固定外壳体的椭圆形孔是冲压出来的,而圆孔是钻出来的(图1)。孔间距离为1毫米,这使同时穿孔产生了困难。建议将圆形孔和椭圆形孔改为用一次工序冲压出来的几何形孔(图2)。采纳这项建议,可使劳动强度降低30%。
The oval hole in the fixed housing is stamped and the hole drilled (Figure 1). The distance between the holes is 1 mm, which makes it difficult to punch at the same time. It is recommended to change the circular hole and the oval hole into a single hole punched out of the geometric hole (Figure 2). Adopting this proposal can reduce labor intensity by 30%.