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Porcelain Faucet Handle Failure Analysis

机译:瓷水龙头手柄故障分析

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摘要

A porcelain faucet handle failed after years of use in a residential rental property. Determining the cause of failure was hampered by the fact that the failed handle was no longer available. The analysis included mechanical testing of exemplar faucet handles to measure the reasonable forces that could be applied by hand and the forces necessary to cause failure. Interface geometry between the porcelain handle and the interior metal nut was a factor. Finite Element Analysis facilitated the study. Results showed that if the faucet handle had sustained damage during a gasket repair, then the failure could be accounted for.
机译:在住宅租赁物业中使用多年后,瓷器水龙头把手失效。失败的句柄不再可用这一事实妨碍了确定失败的原因。分析包括对示例性水龙头把手的机械测试,以测量可以用手施加的合理力以及引起故障的必要力。瓷质手柄和内部金属螺母之间的界面几何形状是一个因素。有限元分析促进了研究。结果表明,如果水龙头手柄在垫圈维修过程中遭受了持续的损坏,则可以排除故障。

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