FEM analysis on the heat spinning for Ni-Cr-W-Mo superalloy workpiece with strange shape

Based on the software ABAQUS Explicit/Standard modules, three-dimensional finite element model of Ni-Cr-W-Mo superalloy workpiece with strange shape was built. On the basis of orthogonal test, the process parameters of the first pass were optimized, and the distribution of stress and the hot spinning regular pattern in the process of metal forming and springback were analyzed. The results show that the rotary velocity of mandrel has the most significant influence on breakage tendency, and the roller roundness radius on wrinkle tendency. After the unloading course the springback has a little effect on the trend of distribution of equivalent stress, and the most of the regional stress has been released. After the process of hot spinning, there is some deviation between the actual thickness and theoretical thickness value.