Optimization Design of RV Reducer Turning Arm Bearings

Abstract

Abstract: In order to improve the fatigue life of RV reducer, an optimization design of crankshaft bearings was introduced based on genetic algorithm. The basic dynamic capacities of the bearings were selected as objective function. The design variables including the bearing pitch diameter, the diameter of the roller, the effective length of the roller, and the number of rollers were defined. The constraints were given on geometry, strength, lubrication and friction. The sensitivity of optimization results was analyzed. Optimal results show that the fatigue life of RV reducer may be improved by the optimization design method.

Key words:

rotate vector(RV) reducer, turning arm bearing, optimized design, genetic algorithm, sensitivity analysis

摘要：

为延长RV减速器疲劳寿命，利用遗传算法对RV减速器转臂轴承进行了设计优化。设定基本额定动载荷为目标函数，以轴承节圆直径、滚子直径、滚子数量、滚子有效接触长度为设计变量，从几何、强度、润滑和摩擦方面给出约束，并对优化结果进行灵敏度分析。优化结果表明，优化设计方法可以有效提高RV减速器的疲劳寿命。

关键词: RV减速器, 转臂轴承, 优化设计, 遗传算法, 灵敏度分析

CLC Number:

TH132.414

LYU Fengpeng;LI Chaoyang;HUANG Jian;CHEN Bingkui . Optimization Design of RV Reducer Turning Arm Bearings[J]. China Mechanical Engineering.

吕凤鹏;李朝阳;黄健;陈兵奎. RV减速器转臂轴承的优化设计[J]. 中国机械工程.

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