It is therefore very important to research the non-uniform deformation behaviors of the deep drawing process of tailor-welded square boxes, such as flange wrinkling and the movement of weld seams.

• 因此对拼焊板方盒件拉深过程中非均匀变形的研究是非常重要的，比如法兰区起皱和焊缝的移动等。