Analysis of Influence of Pinion Tooth Trace Modification on Tooth Surface of Curved Tooth Face Gear

Zhanrong Feng; Yong Chen; Yulong Zhao; Ning Huang; Lingfeng Gao; Guangjin Xiong

doi:10.16578/j.issn.1004.2539.2022.01.006

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Analysis of Influence of Pinion Tooth Trace Modification on Tooth Surface of Curved Tooth Face Gear

Theory·Reserach | 更新时间：2022-09-23

- Analysis of Influence of Pinion Tooth Trace Modification on Tooth Surface of Curved Tooth Face Gear
- Journal of Mechanical Transmission Vol. 46, Issue 1, Pages: 50-55(2022)
- 作者机构：
  
  1.南昌航空大学航空制造工程学院，江西南昌 330063
  2.晋能控股煤业集团同忻煤矿，江西南昌 330063
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.01.006
  CLC：
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冯占荣,陈勇,赵玉龙等.小齿轮齿线修形对弧线齿面齿轮齿面影响分析[J].机械传动,2022,46(01):50-55.

Feng Zhanrong,Chen Yong,Zhao Yulong,et al.Analysis of Influence of Pinion Tooth Trace Modification on Tooth Surface of Curved Tooth Face Gear[J].Journal of Mechanical Transmission,2022,46(01):50-55.
冯占荣,陈勇,赵玉龙等.小齿轮齿线修形对弧线齿面齿轮齿面影响分析[J].机械传动,2022,46(01):50-55. DOI： 10.16578/j.issn.1004.2539.2022.01.006.

Feng Zhanrong,Chen Yong,Zhao Yulong,et al.Analysis of Influence of Pinion Tooth Trace Modification on Tooth Surface of Curved Tooth Face Gear[J].Journal of Mechanical Transmission,2022,46(01):50-55. DOI： 10.16578/j.issn.1004.2539.2022.01.006.

摘要

结合渐开线齿廓弧齿圆柱齿轮齿面生成原理，增大弧线齿圆柱齿轮凹齿面的圆弧半径，推导圆柱齿轮齿面方程，得到截面单齿厚度延轴线不同的弧线齿圆柱齿轮。以弧线齿圆柱齿轮为假想刀具，推导出弧线齿面齿轮齿面方程，将有无齿线修形的面齿轮做对比，并进行了内径分析。结果表明，在保持原有面齿轮设计参数不变的情况下，修形后的面齿轮与原面齿轮内径处的齿厚相差0.113 mm，且面齿轮单齿齿厚沿着齿宽由内向外逐渐增大；同时，修形后的弧线齿面齿轮外径端面并不是尖状，而呈现平面状，从而避免了修形后的面齿轮出现外径齿顶变尖现象。因此，对小轮齿线修形可增加面齿轮单齿厚度，提高面齿轮传动强度；也为后续齿线修形生成的弧线齿面齿轮抗偏载及啮合特性等方面提供了理论基础。

Abstract

Combining the principle of generating tooth surface of involute tooth profile curved cylindrical gear，the arc radius of the concave tooth surface of curved tooth cylindrical gear is increased，the equation to calculate cylindrical gear surface is deduced，and curved tooth cylindrical gears with different cross-section single tooth thicknesses and axes are obtained. Using curved tooth cylindrical gears as imaginary tools to derive equation for curved tooth gear surface. The face-gears with or without tooth line modification are compared，and the inner diameter analysis is carried out. The conclusion shows that the original face gear is maintained when the design parameters remain unchanged，the tooth thickness at the inner diameter of the modified face gear and the original face gear differ by 0.113 mm，and the single tooth thickness of the face gear gradually increases from inside to outside along the tooth width. Besides，the outer diameter end surface of the modified curved tooth face-gear is not pointed. Instead it is flat，to avoid the sharpening of the outer diameter tooth tip of the modified face gear. Therefore，the modification of the pinion tooth trace can increase single tooth thickness of face gear，improve the transmission strength of face gear，and provide a theoretical basis for anti-eccentric load and meshing characteristics of curved tooth face gear generated by the subsequent tooth trace modification.

关键词

截面渐开线齿廓弧齿圆柱齿轮齿线修形面齿轮内径验证

Keywords

Sectional involute tooth profileCurved tooth cylindrical gearTooth trace modificationFace gearInside diameter verification

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