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在壳体的圆周面上冲制百叶窗孔难度较大,脱模困难。图1是内径为93毫米,高度为38毫米的零件,在其圆弧面上冲24只百叶窗孔。
It is more difficult to punch the shutter holes on the circumferential surface of the housing, and it is difficult to release the shutter. Figure 1 is an inner diameter of 93 mm, a height of 38 mm parts, in its circular arc surface 24 shutter holes.