行星滚柱丝杠副预紧力研究
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摘要
对行星滚柱丝杠滚柱、螺母及丝杠相对位置与结构进行分析,利用赫兹接触理论对行星滚柱丝杠副中滚柱与丝杠、滚柱与螺母接触点的弹性变形进行计算,进而对行星滚柱丝杠副的预紧力进行分析,得出预紧力、预紧量、接触角之间的关系。
By analyses of the relative position and structure of the roller, nut and lead screw of the planetary roller lead screw, the Hertzian contact theory was used to calculate the elastic deformation of the contact points between the roller & the lead screw, and the roller & the nut of the planetary roller lead screw pair, then the pre-tightening force of the planetary roller lead screw was analyzed to obtain the relationship between pre-tightening force, preload and contact angle.
By analyses of the relative position and structure of the roller, nut and lead screw of the planetary roller lead screw, the Hertzian contact theory was used to calculate the elastic deformation of the contact points between the roller & the lead screw, and the roller & the nut of the planetary roller lead screw pair, then the pre-tightening force of the planetary roller lead screw was analyzed to obtain the relationship between pre-tightening force, preload and contact angle.
引文
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[10]刘艳强,尚宇,程泓勋.行星滚柱丝杠弹性接触变形计算与分析[J].制造业自动化,2016,38(11):113-115.
[2]李红光.滚动轴承预紧的意义和预紧力的估算及调整[J].机械制造,2004,42(9):45-48.
[3]杨家军,杨保哲,朱继生,等.预紧力对行星滚柱丝杠轴向变形及摩擦的影响[J].机械传动,2011,35(12):16-18,22.
[4]徐强,王水铭,赵国平,等.差动式行星滚柱丝杠预紧转矩分析与求解[J].机械设计与制造,2015(3):1-4.
[5]陈锦江,任成祖,徐燕申,等.数值计算赫兹接触问题的新方法[J].机床与液压,2004(1):42-43.
[6]谢中华,李国栋,刘焕进,等.MATLAB从零到进阶[M].北京:北京航空航天大学出版社,2012.
[7]杨家军,韦振兴,朱继生,等.行星滚柱丝杠副载荷分布及刚度计算[J].华中科技大学学报(自然科学版),2011,39(4):1-4.
[8]张广顺.滚珠丝杠副预紧结构[J].机械制造,1991,39(6):15.
[9]崔高尚,范元勋.双螺母滚珠丝杠副预紧力的研究[J].制造业自动化,2015,37(7):78-80.
[10]刘艳强,尚宇,程泓勋.行星滚柱丝杠弹性接触变形计算与分析[J].制造业自动化,2016,38(11):113-115.