[1]赵国平,范元勋,罗相银,等.高过载精密滚珠丝杠副弹塑性接触变形研究[J].南京理工大学学报(自然科学版),2014,38(02):192-198.
 Zhao Guoping,Fan Yuanxun,Luo Xiangyin,et al.Elastic-plastic contact deformation of precise ball screw pair in overload condition[J].Journal of Nanjing University of Science and Technology,2014,38(02):192-198.
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高过载精密滚珠丝杠副弹塑性接触变形研究
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
38卷
期数:
2014年02期
页码:
192-198
栏目:
出版日期:
2014-04-30

文章信息/Info

Title:
Elastic-plastic contact deformation of precise ball screw pair in overload condition
作者:
赵国平1范元勋2罗相银2李立毅1
1.哈尔滨工业大学 电气工程及自动化学院,黑龙江 哈尔滨150001; 2.南京理工大学 机械工程学院,江苏 南京210094
Author(s):
Zhao Guoping1Fan Yuanxun2Luo Xiangyin2Li Liyi1
1.School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China; 2.School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
滚珠丝杠副 弹塑性变形 有限元分析 接触理论
Keywords:
ball screw pairs elastic-plastic deformation finite element analysis contact theory
分类号:
TH132.1
摘要:
根据短时高过载精密滚珠丝杠副的载荷和工作特点,将赫兹点接触理论和弹塑性变形理论相结合,探讨了高承载工况下单螺母滚珠丝杠副弹塑性接触变形的理论计算方法,并基于ABAQUS软件建立了考虑各圈滚珠受力不均情况的丝杠副多滚珠非线性接触有限元分析模型,对丝杆副的接触应力和弹塑性接触变形情况进行了理论计算和有限元分析。结果表明,丝杆副的塑性变形量远小于弹性变形量。丝杠的弹塑性接触变形的有限元分析较好地印证了理论计算结果。
Abstract:
According to the load and the working characteristics of the precise balls crew pair under short-time overload,the theoretical calculation of the non-linear elastic-plastic contact deformation of the single-nut ball screw pair with overload is discussed by using the Hertz point contact theory and the elastic-plastic deformation theory.The finite element analysis model based on ABAQUS software is established considering the different force on balls in each circle.The theoretical calculation and the finite element analysis are made respectively for the contact stress and the elastic-plastic contact deformation of screw pairs.The results show that the contact plastic deformation is far less than the elastic deformation in the ball screw.By analyzing the real plastic deformation on the ball screw after bore over-load,the finite element analysis results verify the accuracy of the theoretical calculation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-08-21 修回日期:2013-11-21
基金项目:航天专项基础研究项目(369040402)
作者简介:赵国平(1978-),男,博士,主要研究方向:精密机械传动,航天伺服机构设计与控制,E-mail:shanxi249@163.com; 通讯作者:范元勋(1964-),男,教授,主要研究方向:伺服精密传动与机构,现代机械设计理论与方法,E-mail:fanyx@mail.njust.edu.cn。
引文格式:赵国平,范元勋,罗相银,等.高过载精密滚珠丝杠副弹塑性接触变形研究[J].南京理工大学学报,2014,38(2):192-198.
投稿网址:http://njlgdxxb.paperonce.org
更新日期/Last Update: 2014-04-30