The continuous drawing method for strip material with notching was introduced with the design of progressive die for thin wall and wide flange truckfest component as example.

• 以薄壁宽凸缘筒形件级进模的设计为例,介绍了采用带料切口连续拉伸方法,包括步距冲裁、切口冲裁、连续拉伸、冲孔、翻边和落料,生产效率较高。