It is suitable for rewinding and unwinding of coating, slitting, printing, compounding, paper making, bag making, plastic and other related machinery, which can effectively improve work efficiency.

The convex key type inflation shaft is generally made according to the needs of actual application. There are no standard parts, and different types are selected according to different actual needs. Common types are aluminum alloy inflation shaft, expansion key inflation shaft, blade-type inflation shaft, tile-type inflation shaft, etc., some distinguish between metal and non-metal. The inflatable shaft is generally designed by the user and provided to the manufacturer of the inflatable shaft. At the same time, the customized requirements must be attached, such as the weight of the inflatable shaft, the material and the accuracy requirements. The manufacturer will evaluate the technology according to the drawings provided by the user and other requirements, and then carry out production.