EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY

ZHANG BaoFeng; CUI YaHui; LIU Kai; Dong YaWen

doi:10.16579/j.issn.1001.9669.2015.01.021

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EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY

更新时间：2022-09-22

- EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY
- Journal of Mechanical Strength Vol. 37, Issue 1, Pages: 122-127(2015)
- 作者机构：
  
  1. 西安理工大学机械与精密仪器工程学院
  2. 西安工程大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2015.01.021
  CLC：
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ZHANG BaoFeng, CUI YaHui, LIU Kai, et al. EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY. [J]. 37(1):122-127(2015)
DOI：

ZHANG BaoFeng, CUI YaHui, LIU Kai, et al. EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY. [J]. 37(1):122-127(2015) DOI： 10.16579/j.issn.1001.9669.2015.01.021.

摘要

以渐开线圆柱齿轮机构啮合效率为研究对象,基于齿轮副间接触反力的概念,分析了接触齿面间摩擦因数的影响因素,借鉴已有摩擦因数研究模型,分析了直齿和斜齿传动的啮合特点,推导出直齿齿轮传动的瞬时啮合效率和平均啮合效率的数学求解式;以直齿齿轮传动为例,在不同传动比、摩擦因数、压力角情况下分析了齿轮机构的啮合效率。结果表明,摩擦因数与齿轮啮合效率成反比,较大的压力角和传动比能提高齿轮的啮合效率,增速齿轮传动比减速齿轮传动的啮合效率高。

Abstract

Based on the concept of contact counterforce between gear pair,the paper studied the meshing efficiency of involute spur gear mechanism,analyzed the effect factors of friction coefficient between contact tooth surfaces. Referring to the existent research models of friction coefficient,the paper discussed the meshing characteristics of spur gear and helical gear’s transmission,and derived the mathematic expressions of instantaneous meshing efficiency and average meshing efficiency for gear transmission of spur gear and helical gear. And then under the situation of different transmission ratios,pressure angles and friction coefficients,the paper analyzed the meshing efficiency of gear mechanism. The results show that friction coefficients are in inverse proportion to gear meshing efficiency,biggish pressure angles and transmission ratios contribute to improve gear meshing efficiency,and the meshing efficiency of increasing gear is higher than reducing gear.

关键词

瞬时效率平均效率摩擦因数

Keywords

Instantaneous efficiencyAverage efficiencyFriction coefficient

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