Aluminum ball joint is an advanced structure using to connect steering parts with the merits of simple and lighting. Usually the ball sealed in the Aluminum housing through riveting forming method which has an impact on the push out strength and ball joint torques directly. So how to control the riveting process and achieve the best properties match is very important. In the paper, the relations in the riveting processes, push out strength and torque are studied using experimental method. The parameters affected the push out strength and torque are studied and the influence rules are achieved. The analytical model to present the push out strength is established.
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