在冲模上实现薄壁方管弯曲成U形的方法

介绍了薄壁方管在冲床上通过模具实现弯曲成U型的方法，相对于利用弯管机进行弯曲加工。此法减少了装夹次数，避免了基准面的更换，无需校正，一次装夹中完成加工，保证了产品的质量和加工精度，极大的提高了生产的效率，降低了生产成本。

This essay briefly introduces a way to bend thin-walled square tube into U-shape components by stamping die on press. Compared with bending on tube bender, this way needs less change of clamp and no change of datum plane and no revising. Bending and shaping is finished in one clamp, and the quality and tolerance are guaranteed. This way greatly increased productivity and reduced costs.