凸轮轴浮动凹模闭式模锻工艺３３０００２江西省机械科学研究院章跃荣神州金属制品厂陈伍华康佳电子集团胡利民汽车后桥制动器凸轮轴（图１ａ）是一种生产批量较大的汽车零件，该件的锻坯在平锻机上顶镦锻造最为方便。但目前大多数中小工厂很少拥有这类设备，因而通常都采... Camshaft floating die close forging process 330002 Jiangxi Institute of Mechanical Science Zhang Yue Rong Shenzhou 金属制品厂 Chen Wuhua Konka Electronics Group Hu Limin Automobile rear axle brake camshaft (Figure 1a) is a production of large quantities of automotive parts, The piece of forging billet in forging machine upset forging the most convenient. However, at present, most small and medium-sized factories seldom own such equipment, so they are usually taken ...