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我车间锻制了几种薄壁齿轮类锻件(如图1),过去一直采用镦粗-冲孔-马架扩孔-胎模焖形-冲毛刺-漏飞边等工序(见图2),在750
My workshop forged several thin-walled gear forgings (Figure 1), the past has been used upsetting - punching - Ma rack reaming - mold stew-shaped - red burr - leak flashover processes (see Figure 2) At 750