flanging

1.7.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.

第二个过程：纸张推气挡板之作用，再往复至第二层滚筒完后折。

2.6.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.

第三个过程：纸张后推气挡板之作用，再往复至第二层滚筒完折。