铝合金梯子加工方法与步骤.doc

:Technology of folding ladder.
把左右的扶手切成需要的长度,然后冲孔,-需要冲床或压力机加上冲模.—First to cut the profile into needed length , and open holes on profile for assembly rung—open holes should by punching machine or press machine with punching die.

machine as below:
die.
冲模图纸-drawing of punching die
machine to open tube on profile tightly .
涨牙机加工后的效果,踏步内视图:Result of expanding process, inside view of rung
view.
翻边机—flaring machine.
翻边效果—result of after flaring process
折叠梯还需要下列机器和配件:folding ladder need following machine and parts.
模具二套.

在个模具冲下面图片的4个孔, die to punching 4 holes like below picture for assembly rivet to joint hinge and profile
die to punching a gap.
is the result after punching (for gap)
还需要关接:need hinge.