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Experimental measurement of gear mesh stiffness of cracked spur gear by strain gauge technique

机译：用应变仪技术测量裂纹正齿轮齿轮啮合刚度的实验测量

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In this paper, an experimental technique based on strain gauge has been proposed to measure the gear mesh stiffness of healthy spur gear as well as of cracked spur gear pair system. Calculation of mesh stiffness of healthy and cracked spur gear tooth are based on strain energy and strain energy release rate respectively. The location of strain gauge plays an important role in calculation of strain energy stored in gear tooth. The locations of strain gauge on gear tooth are illustrated for healthy and cracked gear. Stress intensity factor (SIF) has been calculated by strain gauge technique for calculating the stiffness of cracked pinion tooth. The effect of crack length on mesh stiffness has been investigated by strain gauge technique and results are compared with the established analytical method. (C) 2016 Published by Elsevier Ltd.
机译：本文提出了一种基于应变仪的实验技术，用于测量健康正齿轮和裂纹正齿轮对系统的齿轮啮合刚度。健康和裂纹正齿轮的啮合刚度的计算分别基于应变能和应变能释放率。应变仪的位置在计算齿轮齿中存储的应变能时起着重要作用。图示了齿轮齿上应变仪的位置，以确保齿轮健康且破裂。应力强度因子（SIF）已通过应变仪技术计算出，以计算开裂的小齿轮齿的刚度。通过应变仪技术研究了裂纹长度对网格刚度的影响，并将结果与​​既定的分析方法进行了比较。 （C）2016由Elsevier Ltd.出版

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