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图中所示为货车用手制动机手轮,加工用翻边模具的凸凹模示意图。按习惯方法其加工工艺流程为:钳制样板→锻件退火→车→划线→钻孔→铣形并留修研量→钳工修整研磨→铣尺→钳工修磨整形→热处理→钳工修整研磨、抛光。由于该工件中有8处异
Shown in the figure hand brake hand truck hand wheel, flange die stamping process schematic. According to the customary method of its processing flow: forging model → Forging annealing → car → scribe → drilling → milling and leaving the amount of research and repair → fitter dressing grinding → milling → fitter Shaver shaping → heat treatment → fitter dressing Grinding and polishing . There are 8 different places in this work piece