Research of Involute Gear Modification Curve based on Finite Element Contact Analysis

Yuan Yazhou; Shao Nian; Lu Baochun; Zhang Leilei

doi:10.16578/j.issn.1004.2539.2017.04.008

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Research of Involute Gear Modification Curve based on Finite Element Contact Analysis

更新时间：2022-10-20

- Research of Involute Gear Modification Curve based on Finite Element Contact Analysis
- Vol. 41, Issue 4, Pages: 34-37(2017)
- 作者机构：
  
  1. 南京理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.04.008
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[1]袁亚洲,邵年,陆宝春,张磊磊.基于接触有限元分析的渐开线齿轮修形曲线的研究[J].机械传动,2017,41(04):34-37.

Yuan Yazhou, Shao Nian, Lu Baochun, et al. Research of Involute Gear Modification Curve based on Finite Element Contact Analysis. [J]. 41(4):34-37(2017)
[1]袁亚洲,邵年,陆宝春,张磊磊.基于接触有限元分析的渐开线齿轮修形曲线的研究[J].机械传动,2017,41(04):34-37. DOI： 10.16578/j.issn.1004.2539.2017.04.008.

Yuan Yazhou, Shao Nian, Lu Baochun, et al. Research of Involute Gear Modification Curve based on Finite Element Contact Analysis. [J]. 41(4):34-37(2017) DOI： 10.16578/j.issn.1004.2539.2017.04.008.

摘要

为了减小齿轮啮合冲击,研究了齿轮修形三要素确立方法和探讨了修形曲线优化方式。建立渐开线标准齿轮三维啮合模型,进行有限元接触分析,将啮合线方向综合弹性变形作为修形量,再对比短、长修形方式下齿面接触应力分析结果,发现短修形具有更好的修形效果。并针对二次曲线和正弦曲线下齿轮修形结果的各自优缺点,将两者组合成新的优化曲线对齿轮修形,分析该设计方案的仿真效果和特点,研究表明,该种修形方式消除了齿轮啮入和啮出冲击时的应力突变现象,为渐开线齿轮提供了新的修形曲线。

Abstract

In order to reduce the gear meshing impact,the method about how to determinate the three factors of gear modification is studied and the optimization of modification curve is discussed. The 3D meshing model of standard involute gear is set up,the finite element contact analysis is carried out. Regarding the integrated elastic deformation of the meshing tooth as the modification value of the gear pair,the contact stress analysis results between long-distance modification and short-distance modification are compared,it is found that the short-distance modification has a better effect. The quadric curve and the sine curve have their virtues and their faults,so combining them into a new curve and the modification effect and feature are discussed. Research shows that,the sudden change of stress with a lower impaction of tooth mesh in and out is eliminated by the new modification method. A new modification curve is provided for involute gear.

关键词

有限元渐开线齿轮齿廓修形组合曲线β取值

Keywords

Finite elementInvolute gearTooth profile modificationCombined curveValue of β

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