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众所周知，侧隙即两啮合轮齿的非工作齿面间存有的间隙。其主要作用是贮存润滑油，以保持齿面的良好润滑，补偿齿轮传动的热变形、弹性变形及齿轮的加工误差和安装误差对齿轮传动的影响。侧限的大小主要由齿厚的减薄量或控制两咽合齿轮的中心距来定。对于标准侧隙的齿轮传动，?
It is well-known that the backlash is the gap between the non-working tooth surfaces of the two meshing gear teeth. Its main function is to store lubricating oil, to maintain good lubrication of the tooth flanks, to compensate thermal deformation of gear transmission, elastic deformation and gear machining errors and installation errors on gear transmission. The size of the limit mainly by the thickness of the tooth thickness reduction or control of the pharyngeal gear to set the center distance. For standard backlash gear drive,?