Meanwhile, as a part needs high precision as flanging for example, flanging die with hyperbatic structure is described.
同时，以一翻边精度要求较高的零件为例，介绍了一种倒装式结构的翻边模。
2
Third process: After operated by the back forward gas baffler, the paper reciprocates to the drum of the third layer to perform flanging of the front side.
第三个过程：纸张经后推气挡板之作用，再往复至第二层滚筒完成前边折边。
3
Second process: After operated by the front forward gas baffler, the paper reciprocates to the drum of the second layer to perform flanging of the backside.