Optimization of Tooth Profile Modification Amount and Manufacturing Tolerance Allocation for RV Reducer under Reliability Constraint

IF 2.9 3区工程技术 Q2 ENGINEERING, MECHANICAL Journal of Mechanical Design Pub Date : 2023-12-14 DOI:10.1115/1.4064277

Yutao Li, Yuewen Su, Shaohu Wang

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Abstract

RV reducer is mainly applied in high precision transmission. Its manufacturing errors strongly influence transmission accuracy. In order to select the optimal gear profile parameters and manufacturing accuracy to meet the transmission conditions in actual machining, a model of gear tooth contact analysis of involute and cycloid transmission considering tooth profile modification and manufacturing errors was established according to the principle of coordinate transformation and conjugate contact of gear. The sensitivity of different manufacturing errors to transmission errors was analyzed. At the same time, the optimization method of gear tooth profile modification parameters and manufacturing accuracy configuration under transmission reliability constraints was designed. The results showed that based on the optimization calculation of samples by DIRECT algorithm, it was possible to obtain a set of RV reducer modification parameters and manufacturing tolerance bands with the lowest manufacturing cost under the condition of transmission accuracy. The selected parameters had high reliability characteristics. Therefore, this method provides a theoretical optimization reference for manufacturing high reliability RV reducer.

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可靠性约束下 RV 减速器齿形修改量和制造公差分配的优化

RV 减速器主要应用于高精度传动。其制造误差对传动精度影响很大。为了在实际加工中选择满足传动条件的最佳齿廓参数和制造精度，根据齿轮的坐标变换和共轭接触原理，建立了考虑齿廓修正和制造误差的渐开线和摆线传动轮齿接触分析模型。分析了不同制造误差对传动误差的敏感性。同时，设计了在传动可靠性约束下的齿形修正参数和制造精度配置的优化方法。结果表明，基于 DIRECT 算法对样本的优化计算，可以获得一组在传动精度条件下制造成本最低的 RV 减速器齿形修正参数和制造公差带。所选参数具有高可靠性的特点。因此，该方法为制造高可靠性 RV 减速器提供了理论优化参考。

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来源期刊

Journal of Mechanical Design 工程技术-工程：机械

CiteScore

8.00

自引率

18.20%

发文量

139

审稿时长

3.9 months

期刊介绍： The Journal of Mechanical Design (JMD) serves the broad design community as the venue for scholarly, archival research in all aspects of the design activity with emphasis on design synthesis. JMD has traditionally served the ASME Design Engineering Division and its technical committees, but it welcomes contributions from all areas of design with emphasis on synthesis. JMD communicates original contributions, primarily in the form of research articles of considerable depth, but also technical briefs, design innovation papers, book reviews, and editorials. Scope: The Journal of Mechanical Design (JMD) serves the broad design community as the venue for scholarly, archival research in all aspects of the design activity with emphasis on design synthesis. JMD has traditionally served the ASME Design Engineering Division and its technical committees, but it welcomes contributions from all areas of design with emphasis on synthesis. JMD communicates original contributions, primarily in the form of research articles of considerable depth, but also technical briefs, design innovation papers, book reviews, and editorials.