第二个过程：纸张经前推气挡板之作用，再往复至第二层滚筒完成后边折边。

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.

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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。

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.

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浮动式边刷，可调整式主刷，大垃圾挡板，操作计时器，吸入风扇切断装置，专利保护过滤器除尘系统，移动式尘箱。

Bulk waste flap, mobile container, operating hour meter, patented filter shaker system, roller brush, justierbar, side brush, pendelnd, suction fan cut - out.

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