JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A

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Analysis of a load application point in spline coupling teeth

Author(s): Francesca Cur, Andrea Mura
Affiliation(s): . Department of Mechanical and Aerospace Engineering, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
Corresponding email(s): andrea.mura@polito.it
Key Words: Spline coupling, Pitch force, Teeth load, Parallel offset

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Francesca Cur�, Andrea Mura. Analysis of a load application point in spline coupling teeth[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A1300323

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doi="https://doi.org/10.1631/jzus.A1300323"

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A1 - Francesca Cur�
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Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: The objective of this paper is to investigate the position of the resultant force in involute spline coupling teeth due to the contact pressure distribution for both ideal and misaligned conditions. In general, spline coupling teeth are in contact all along the involute profile and the load is far from uniform along the contact line. Theoretical models available in publications consider the resultant contact force as it is applied at the pitch diameter, and this study aims to evaluate the error introduced within the confines of a common approximation environment. This analysis is carried out through using finite element method (FEM) models, considering spline couplings in both ideal and misaligned conditions. Results show that the differences between the load application diameter and pitch diameter are not very obvious in both ideal and misaligned conditions; however, this approximation becomes more important for the calculation of the tooth stiffness.

花键联接齿轮荷载点的分析

研究目的：研究理想和偏差条件下接触压力分布导致的花键联接渐开线齿的合力位置。
创新要点：分别给出了额定条件和两轴偏移条件下载荷直径和节径的偏差，并分析了荷载点齿轮刚度和接触压力分布的影响。
研究方法：运用有限元模型分别分析在理想条件和两轴偏移条件下花键联接的影响。
重要结论：验证了传统上应用于径节的花键联接啮合齿接触合力的近似法。在额定条件下，载荷直径和径节的偏差随载荷等级的增加而增加。在0.08 mm两轴偏移模型下，有限元法获得的结果与理论径节的最大偏差为2.94%。一般的，在理想联接和两轴偏移花键联接条件下，载荷直径和径节的偏差并不大。径节处载荷和实际荷载点所获得的刚度偏差接近15%。荷载点变化的影响与轴向压力分布相关，即该参数受荷载点位置的影响。

关键词组：花键联接；节距力；齿轮载荷；两轴偏移

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花键联接齿轮荷载点的分析

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References