Mask Making Machine Use Expandable Board Type Air Shaft Air Manual Air Shaft 

1, Air expanding shaft Performance & Advantage:
In practical applications,it has advantages of convenient operation,quick, air shaft has big stress area, the stress distribution
uniformity etc.

2, Air expanding shaft Product Purpose:
It is applicable to winding and unwinding shaft of the related machines in coating,cutting,printing,compounding,paper making , bag making , plastic items , specially the occasion of the high-efficient roundness required or surface winding and unwinding of the papertube . Moreover , it also can improve efficiency and quality of the products .