叶片/插座连接器副振动诱导微动分析与预测

F. Xie, G. Flowers, Chen Chen, M. Bozack, J. Suhling, B. Rickett, R. Malucci, C. Manlapaz
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引用次数: 5

摘要

连接器的微动倾向通常是通过一系列详尽的实验测试来评估的,这使得连接器的设计和验证过程既耗时又昂贵。因此,利用建模和仿真技术来预测各种设计因素对电连接器振动诱发微动倾向的影响,对于连接器设计和应用人员来说是非常有益的。一种方法是使用连接器系统的详细有限元模型,将接触界面的实际动力学与微动开始所需的阈值振动水平和相对运动传递函数联系起来。本研究描述了单个镀锡叶片/插座连接器对的一个这样的模型。同时进行了模拟和实验研究,以评估阈值振动水平作为激励频率,界面摩擦系数和法向力的函数。实验观测结果与模型预测结果具有较好的相关性。对这种建模方法的有效性也提出了一些见解和观察。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis and Prediction of Vibration-Induced Fretting Motion in a Blade/Receptacle Connector Pair
Connector fretting propensity is generally evaluated through an exhaustive series of experimental tests, making the connector design and validation process time consuming and costly. Thus, a method using modeling and simulation techniques to predict the influence of various design factors on vibration-induced fretting propensity in electrical connectors method would very beneficial to those responsible for connector design and application. One approach is to use detailed finite element models for the connector system to relate the actual dynamics of the contact interface to the threshold vibration levels required for the onset of fretting and the relative motion transfer function. The present study describes one such model for a single tin-plated blade/receptacle connector pair. Concurrent simulation and experimental studies were performed to evaluate the threshold vibration levels as a function of excitation frequency, interface friction coefficient, and normal force. Good correlation between the experimentally observed results and those predicted by the models was obtained. Some insights and observations with regard to the effectiveness of such a modeling approach are also presented.
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