Analysis of Elastohydronamic Lubrication of the Roller Enveloping End Face Engagement Worm Drive

Xiaolong Wang

doi:10.16578/j.issn.1004.2539.2020.09.020

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Analysis of Elastohydronamic Lubrication of the Roller Enveloping End Face Engagement Worm Drive

Test·Analysis | 更新时间：2022-11-02

- Analysis of Elastohydronamic Lubrication of the Roller Enveloping End Face Engagement Worm Drive
- Journal of Mechanical Transmission Vol. 44, Issue 9, Pages: 128-132(2020)
- 作者机构：
  
  1.成都大学机械工程学院，四川成都 610106
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.09.020
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王小龙.滚柱包络端面啮合蜗杆传动弹流润滑分析[J].机械传动,2020,44(09):128-132.

Wang Xiaolong.Analysis of Elastohydronamic Lubrication of the Roller Enveloping End Face Engagement Worm Drive[J].Journal of Mechanical Transmission,2020,44(09):128-132.
王小龙.滚柱包络端面啮合蜗杆传动弹流润滑分析[J].机械传动,2020,44(09):128-132. DOI： 10.16578/j.issn.1004.2539.2020.09.020.

Wang Xiaolong.Analysis of Elastohydronamic Lubrication of the Roller Enveloping End Face Engagement Worm Drive[J].Journal of Mechanical Transmission,2020,44(09):128-132. DOI： 10.16578/j.issn.1004.2539.2020.09.020.

摘要

为了研究滚柱包络端面啮合蜗杆传动的润滑性能，在滚柱包络端面啮合蜗杆传动啮合理论和弹性流体动力润滑理论的基础上，建立了滚柱包络端面啮合蜗杆传动的简化弹性流体动力润滑模型；基于各润滑状态区内近似膜厚和膜厚比计算公式，运用Matlab软件进行了数值仿真，得出了该传动副在整个传动过程中的润滑状态、最小油膜厚度时域分布规律，结果表明，该传动副具有较好的润滑性能；最后，分析了滚柱半径,R,和喉径系数,k,对该传动副润滑性能的影响，结果表明，要使该传动副保持良好的润滑性能，滚柱半径,R,不宜过大，喉径系数,k,不宜过小。

Abstract

To study the lubrication performance of roller enveloping end face engagement worm drive， the elastohydrodynamic lubrication （EHL） model is established based on meshing theory of roller enveloping end face engagement worm drive and the theory of EHL. Based on calculation formula of approximate film thickness and film thickness ratio in every lubrication condition area， the simulation is conducted using Matlab software， and the time-domain distribution of lubrication condition， minimum film thickness and film thickness ratio are analyzed， it can be concluded as that this transmission pair has better lubrication performance. Finally， the influences of roller radius ,R, and orifice coefficient ,k, on lubrication performance of the transmission pair are analyzed. The results show that the roller radius ,R, should not too bigger， orifice coefficient ,k ,should not too smaller， for effectively improving the lubrication performance of the roller enveloping end face engagement worm drive．

关键词

滚柱包络端面啮合蜗杆弹性流体动力润滑润滑性能最小油膜厚度

Keywords

Roller envelopingEnd face engagement worm gearElastohydrodynamic lubricationLubrication performanceMinimum film thickness

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