Air expansion shaft is a special winding, unwinding reel, after high pressure inflation surface can be expanded, inflatable shaft design for special functions, for thin, thick, narrow, wide all kinds of paper tube can be applied. The air expansion shaft improved by Guangzhou Junheng Machinery has the following characteristics: 

1. Large bearing weight:

According to the actual needs of customers, to determine the size of the shaft diameter, and the use of high-hard steel, so that the load-bearing weight increased.

2. Short time of aeration operation:

The separation and placement of the air expansion shaft and the paper tube only need three seconds to complete the inflation and deflation, and the inflatable shaft can be tightly occluded with the paper tube without disassembling any parts on the end side of the shaft.

3, that placement of the pap tube is simple:

The paper tube can be moved and fixed at any position on the axial surface by the action of inflation and deflation.

4. High economic efficiency:

Air expansion shaft design for special functions, for thin, thick, narrow, wide all kinds of paper tube can be applied.

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