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我厂为外商加工如图1所示的五金件,材料为45钢。其加工工艺如下: (1)把圆坯料车出两边凸台。 (2)在冲床上冲出工件外形和长条孔。
I plant for foreign workers in the hardware shown in Figure 1, the material is 45 steel. The processing is as follows: (1) round billet bosses on both sides. (2) punch out the workpiece shape and long holes in the punch.