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齿轮与差速器连接螺栓失效分析及改进优化

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某车用减速器连接输出齿轮与差速器的螺栓在运行时断裂,经分析失效原因为螺栓强度偏低、预紧传递扭矩安全系数较低等.通过采用高强度定制螺栓、提高预紧力、优化拧紧工艺等方法,实现了螺栓连接的安全可靠.
Failure Analysis and Improvement Optimization of the Connecting Bolt between the Gear and Differential Mechanism
The bolt connecting the output gear and differential of a certain vehicle reducer broke during operation.After analysis,the reasons for the failure were:low bolt strength,low safety factor of pre tightening transmission torque,etc.By using high-strength customized bolts,improving pre tightening force,optimizing tightening process,and other methods,safe and reliable bolt connection was achieved.

joint boltgeardifferential mechanismfailure analysis

郑显良、胡小山、马赟、赵旻

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中车戚墅堰机车车辆工艺研究所有限公司,江苏常州 213011

连接螺栓 齿轮 差速器 失效分析

2024

汽车零部件
中国科学技术信息研究所 中国汽车零部件工业公司

汽车零部件

影响因子:0.121
ISSN:1674-1986
年,卷(期):2024.(1)