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Pro-E and Ansys software are used for solid modeling of a single-bellows air spring, finite-element processing methods for this model are discussed, and the meshing usability is validated. Using Ansys software, we solve various orders of natural frequencies of a single-bellows air spring are solved at initial inflation pressures of0. 2, 0. 3 and 0. 4 MPa, Accordingly, the natural frequency of an air spring when operated can be regulated by adjusting its initial inflation, so as to make full use of air spring properties for engineering applications. The air spring is a new elastic vibration isolation element which is made in the rubber base material for a flexible sealed gas chamber filled with compressed air. It is a non-metallic spring using the compressibility of air to achieve resilient action. Because it has a low natural frequency, high frequency vibration absorption, noise performance, adjustable vertical stiffness and lateral stiffness and load capacity controlled by the internal pressure, etc., are widely used in many fields, such as launch vehicles, large aircraft, large ships and submarines and other important equipment, instrumentation aspects of vibration and noise reduction; land vehicles of locomotives, heavy trucks and limousines, are also extensive use of air spring vibration and noise reduction to improve ride comfort, typically vehicle suspension with air springs. This study focused on the use of a single bag of air spring Ansys software for modeling and simulation of its inherent characteristics.

Studies on modeling a single-bellows air spring and simulating its inherent characteristics