Analytical Study on the Effect of Forming Process on Springback of an Automobile Rear Frame

성형법에 따른 자동차 리어 프레임의 스프링백 해석대비

Springback after drawing and trimming is regarded as one of the most influential factors during forming structural frames since the part dimensions have dominant effect on assembly quality at later stages. In this study, analytical results were obtained from a commercial FEM package for an outer rear frame of an automobile. In terms of springback and twist the effect of forming process is compared and discussed between open and closed-ends forming