Prediction of Spread and Contact Region in Ring Rolling Process Using Rigid- plastic Finite Element Method

The ring rolling process involves three-dimensional non-steady material Ilow and continuous change ofbr/ radius and thickness of the ring workpieee- In this study. the deformation analysis and geometric updating algorithm of the ring rolling process were veri tied by using the three-dimensional rigid-plastic finite clement method. 1\lanufaeturing processes fix plain ring and T -shaped ring were investigated by comparing experiments with simulation results. especially in side spread. load-stroke and pressure distribution. showing a good agreement It was concluded that the simulation method would be a useful tool for the design of a ring rolling process.br/