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挖掘机铲斗连杆的尺寸较大，在锋床上加工时镜杆恳伸较长，刚性不足，使银刀刀头产牛振动，造成加工精度达不到要求；减少吃刀量又会降低生产率。针对这一问题，我们研制了一种新铺夹具。1零件工艺性分析图1所示为挖掘机铲斗液压缸连杆零件结构简图，材料为球墨铸铁：QT450－10
Excavator bucket connecting rod larger size, processing in the front edge of the mirror lever to strengthen the long, lack of rigidity, so that silver knife knife head cattle vibration, resulting in processing accuracy can not meet the requirements; reduce the amount of knife will be reduced productivity. In response to this problem, we developed a new shop fixture. 1 part of the process of analysis Figure 1 shows the excavator bucket cylinder rod structure diagram, the material is ductile iron: QT450-10