Abstract
The control arms, as an important part of automobile chassises, are using Aluminum alloy in more and more cases instead of steel. The ball joint sealing of control arms is a key process to chassises assembly and the sealing quality directly determine the lifespan of steering systems of automobiles. In this paper, based on the aluminum control arms, revolving-reveting processes for ball joint sealing of control arms are studied through finite element methods and experiments, and the effects of housing shape on the quality of ball joint sealing are also studied. The results show that the sealing quality for ball joint is related to the housing shape, and a better sealing quality can be achieved when the housing has a sloped edge, and verified by the experiments, which will provide elementary technical support to the ball joint sealing of automobile control arms. Keywords: Ball joint sealing; Revolving-reveting technology; Aluminium control arm.
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