Simulation of effects of material deformation on thickness variation in conventional spinning

This paper reports the development of Finite Element simulations of a conventional metal spinning process. Using Finite Element dynamic explicit formulations, the simulation of the forming of a cylindrical spun part by the single pass of a roller was conducted, with the intention to understand the effect of the material deformation on variations in wall thickness of the spun part. The simulation provides predictions of distributions of radial, tangential and thickness strains induced in the workpiece during spinning. The results show that unbalanced and non-uniformly distributed radial and tangential strains have a determinant effect on thickness variations of the formed part in metal spinning processes.