Air expansion roll is a special type roll or shaft of winding, expanding, inflating and pressure. Its features are: short inflation time, simple paper tube placement, large load bearing capacity, high economic efficiency, simple maintenance and long service life.
Classification: the key type air expansion roll, the plate type air expansion roll, the round point air expansion roll, the aluminum alloy made air expansion roll, the air nail shaft and so on.
According to the actual needs of customers, the diameter of the roll or shaft can be determined, and the high-hardness steel is used to increase the bearing capacity. The air roll or shaft can be applied to any machine that has a winding and unwinding.
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