Take 601 crankshaft as a example, the upset bending processes of RR,TR and NTR are numerically simulated based rigid-plastic FE .

• 以601曲轴为例,模拟了RR法、TR法和NTR法的弯曲镦锻变形过程,得到了包括应力分布、模具型腔充填程度及弯曲力和镦粗力等各种场量信息。