Maximum Bending Load Estimation for a Hydraulic Flanged Tube and Adapter Connection

In this paper, a 1½ inch four-bolts split flange hydraulic connection (SAE Code 62) under a hydraulic pressure and bending loads was evaluated. To protect any potential leakage or other failure, the maximum acceptable bending forces and pre-load on the bolts were estimated through examining the contact pressure and gap distances at each interface of the connection. Compared with other method to evaluate this fastener, the finite element method analysis gave more accurate result in the complex contact problem.
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