氮气瓶
There is a located groove on the flanging concave die, which solves the interferential problem with piercing terrace die, it uses nitrogen cylinder to adjust the pressure on material, as the results, the die structure is simplified, and the productive efficiency gets improved.
翻边凹模设有让位槽,解决了其与冲孔凸模干涉的问题;使用了氮气缸来调节压料力,简化了模具结构,提高了生产效率。
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