Stiffness Modeling and Analysis Considering Influences of Preload and Contact Angle of a Linear Rolling Guide - 文章详情页

作者：

Zhang, W. (Zhang, W..) | Wang, M. (Wang, M..) (学者：王民) | Sun, L. (Sun, L..)

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摘要：

To　calculate　the　deformation　of　a　rolling　linear　guide　in　all　directions　under　any　external　load,　a　model　of　contact　stiffness　of　roller　linear　guides　was　set　up　by　the　homogeneous　transformation　matrix.　The　model　calculated　the　elastic　deformations　of　different　balls　by　the　presence　of　under　any　external　load　considering　the　changing　preload　and　contact　angle.　The　elastic　deformations　along　two　axes　and　three　deflection　angles　around　three　axes　were　calculated.　Furthermore,　the　linear　stiffness　of　two　directions　and　the　torsional　stiffness　of　three　directions　were　obtained.　The　stiffness　models　were　analyzed　and　compared　with　the　actual　situation.　The　simulation　analysis　prove　that　these　mathematics　models　are　right.　The　influence　laws　under　the　changing　preload　and　the　contact　angle　of　the　rolling　linear　guide　to　its　stiffness　are　found.　©　2018,　Editorial　Department　of　Journal　of　Beijing　University　of　Technology.　All　right　reserved.

关键词：

Contact angles; Contact stiffness; Homogeneous transformation matrix; Preload; Rolling linear guide

作者机构：

[ 1 ] [Zhang, W.]Advanced Manufacturing Technology of the Key Laboratory of Beijing Municipality College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Zhang, W.]Engineering & Training Center, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia 014010, China
[ 3 ] [Wang, M.]Advanced Manufacturing Technology of the Key Laboratory of Beijing Municipality College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Sun, L.]Advanced Manufacturing Technology of the Key Laboratory of Beijing Municipality College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100124, China

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