What Is an Air Shaft?

Air bearings (also known as air bearings) refer to plain bearings that use a gas (usually air, but also other gases) as a lubricant. Air has less viscosity than oil, high temperature resistance, and no pollution, so it can be used in high-speed machines, instruments and radioactive devices, but its load capacity is lower than oil. Air bearings are divided into three categories: air static pressure bearings, air dynamic pressure bearings and squeeze film bearings. In general industry, aerostatic bearings are widely used.

Air bearing

Air bearing (also known as

The inner and outer rings of the bearing have air inlet and outlet holes on the outer ring and a nozzle on the inner ring.

Air bearing is a new type of bearing that uses the elastic energy of air to support it.

Based on the inherent properties of air (low viscosity, small change with temperature, radiation resistance, etc.), air bearings show unique advantages in high-speed, low-friction, high-temperature, low-temperature, and radiant places. For example, in the technology of high-speed grinding heads, high-speed centrifugal separators, gyroscopes, compressors for atomic reactor cooling, high-speed blowers, and electronic computer memory devices, the use of air bearings has broken through the difficulties that cannot be solved by using rolling bearings or oil film bearings. .