The Analysis of Weld Strength of UD Clutch Hub Assembly Based on the Experiment
Weld strength is an important part in designing clutch hub assembly. In order to guarantee clutch hub assembly reliability, weld strength is analyzed and researched with FEA theory and bench test. Firstly, FEA model is established to analyze weld strength of clutch hub assembly according to the company standard and test requirements document. And then the result of FEA is obtained. During weld strength test of clutch hub assembly, five test pieces are chosen. Bench test of it is finished with principle of work. The failure mode of all test pieces happens at welding line between clutch hub and inner tower. The weld strength typical value of all test pieces is 227.81 kN. The shear stress range of the assembly is [244.25, 245.37] MPa. After the results of FEA and bench test are studied, the conclusion can be reached that simulation curves are similar to test curves. Yield stress appears about 155 KN in the simulation curve, while Yield stress appears about 150–160 KN in the test curve. Based on analysis and discussion, the relation curve of load and displacement has a better linear relation in the elastic deformation. Finally the clutch hub supplies the demand of design.
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Document Type: Research Article
Publication date: November 1, 2013
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