Bellow Rubber Air Spring Convoluted Type For Industrial Equipment Air Acurtour 1B 5030

Bellow Rubber Air Spring Convoluted Type For Industrial Equipment Air Acurtour 1B 5030

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Air Springs Information

Air springs contain a column of air in an elastomeric bellow or sleeve to provide suspension, isolation, or actuation. Commonly found in vehicle suspension systems, occasionally in conjunction with a coil spring, they are also used to insulate vibration in machinery and as linear or angular actuators.

Air springs are employed through the use of an air compressor which fills and empties the pliable air bladder. The load is not distributed to the rubber liner, which only serves to contain the gas; the weight is attached to a piston or bead plate, which is directly supported by the air with very little deflection. A self-leveling mechanism is common to keep the air spring's load stable, and occasionally a separate coil spring is incorporated into the design. Also available are electronic air spring systems that can monitor air pressure, filter compressor air (preventing damage to the rubber bellows), and a lock to keep air inside of the spring in case of compressor or air line failure.

Air springs are most common in vehicle suspensions, but can also be used to keep vibrating/rotating machinery from affecting other components. Occasionally used as actuators, air springs can provide linear and angular translation.

• Air fitting: A tapped hole allowing for the spring to be fed from the air compressor
• Nut/bolt/mount: The method for attaching the air spring to the component. Some air springs incorporate a bolt and air fitting combination device.
• Bead plate: Crimped metal plate enclosing the spring and allowing attachment. This is typically forged steel, cast zinc alloy or cast aluminum.
• Bellows: The physical, multi-layer material withholding the compressed gas. Usually made of neoprene or rubber.
• Girdle: Only found in air springs of convoluted design, separating the bellows chambers.

• Bumper: An optional layer of padding protecting the piston from damage if the air spring fails.

• Piston: The component attached to the machinery requiring suspension, which is in turn supported by the enclosed air. The piston housing is typically attached with further hardware.