Gas up collar

What is the inflatable sets

Inflatable sets (also called bulging tight connection, free key bearing, etc.) is a kind of keyless coupling device, the principle and purpose is through the effect of high strength bolt tension, between inner ring and the shaft, the outer ring between the wheel and a huge hug tight force, in order to realize the parts with keyless connection of shaft. When the load, by locking and accompanied by a combination of pressure parts, shaft and transmission torque, axial force of friction composite load or both.