曲线齿锥齿轮加工中的应力及形变分析

王斌; 范明星; 闫晨宵; 曹雪梅; 李天兴

doi:10.13433/j.cnki.1003-8728.20200634

曲线齿锥齿轮加工中的应力及形变分析

doi: 10.13433/j.cnki.1003-8728.20200634

1.
河南科技大学机电工程学院, 河南洛阳 471003
2.
开封大学机械与汽车工程学院, 河南开封 475004

基金项目:

国家自然科学基金项目 51675161

详细信息

作者简介:
王斌(1970-), 副教授, 硕士生导师, 博士, 研究方向为先进制造技术及机械制造装备设计, 9902848@haust.edu.cn

通讯作者:
范明星，助教，硕士，xiaoxing1162@163.com

中图分类号: TG501
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- 文章访问数: 114
- HTML全文浏览量: 34
- PDF下载量: 9
- 被引次数: 0
出版历程
- 收稿日期: 2020-10-17
- 刊出日期: 2022-07-25

Analysis of Stress and Deformation in Machining of Split Spiral Bevel Gear

1.
College of Mechanical and Electrical Engineering, Henan University of Science and Technology, Luoyang 471003, He′nan, China
2.
School of Mechanical and Automotive Engineering, Kaifeng University, Kaifeng 475004, He′nan, China

摘要

摘要: 特大型曲线齿锥齿轮轮坯在切齿加工过程中的刚度变化，内应力重新分布导致轮坯加工后变形严重，切齿加工导致的变形量与轮坯的残余应力分布状态密切相关。针对这一问题，本文通过有限元软件进行仿真分析，提取轮坯表面及内部截面的应力云图，探究其整个加工过程中的应力分布演变规律，研究切齿过程中轮坯内应力演变的内在作用机理及对其变形产生的影响。最后，进行了剖分轮坯的实际切齿加工及变形测量实验。结果表明，仿真加工与加工实验的变形规律相吻合，轮坯变形特征与初始残余应力的变化规律相适应。
- 曲线齿锥齿轮 /
- 内应力 /
- 加工变形 /
- 变形分析 /
- 变形实测
Abstract: The change in the stiffness and redistribution of internal stress of extra large split spiral bevel gear during gear cutting lead to serious deformation of the blank. The deformation caused by gear cutting is closely related to the residual stress distribution of the blank. In order to solve this problem, the simulation analysis via finite element software is carried out, the stress nephogram of the surface and internal section of the gear blank is extracted, the evolution of the stress distribution in the machining is explored, and the internal mechanism of the internal stress evolution of the gear blank in the gear cutting and its influence on its deformation are studied. Finally, the actual gear cutting and deformation measurement experiments of the split gear blank is carried out. The results show that the deformation law of simulation and machining experiment is consistent, and the deformation characteristics of gear blank are consistent with the change law of initial residual stress.
- spiral bevel gear /
- internal stress /
- machining deformation /
- deformation analysis /
- deformation

HTML全文

图 1 内应力随轮坯厚度的变化曲线

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图 2 轮坯初始应力云图

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图 3 加工过程中X方向应力云图

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图 4 加工过程中Y方向应力分布剖视图

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图 5 加工过程中X方向形变

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图 6 加工过程中Y方向形变

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图 7 加工过程中Z方向形变

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图 8 切齿过程中形变量

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图 9 加工前测量

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图 10 加工第1齿槽

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图 11 左半部分齿槽加工

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图 12 第4次测量

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表 1 实验测量数据

状态	底面平行度	左端面垂直度	右端面垂直度	外圆直径/mm	内圆直径/mm	两端面夹角/(°)
未切齿槽轮坯	0.035	0.003	0.029	803.520	625.292	144.001
切中间一个齿	0.015	0.017	0.026	802.898	625.222	143.990
右侧全切完	0.089	0.024	0.005	801.850	625.675	144.018
切齿完成	0.053	0.026	0.017	800.701	625.006	143.995

下载: 导出CSV

参考文献(15)

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