圆锥滚子轴承轴向定位预紧刚度计算.pdf

ISSN 1000-3762 2004 5 　 　 　　　　　　　　　　　　　　　　　　　　　　　　　　　1-3　 CN41-1148/TH Bearing 2004, No.5 产品设计与应用 李为民 (河北工业大学　机械工程学院, 天津　300130) :。 , , ;, , ;, 、, , , , 。 :;; :TH133.3;TG769　　　:A 　　　:1000-3762(2004)05-0001-03 Rigidity Calculation of Axial Position Preload Taper Roller Bearings LI Wei-min (Mechanical Engineering Institute, He ei University of Technology, Tianjin 300130, China) Abstract:The rigidity calculation is discussed for tapered roller earings under axial position preload.First, the calculation formula of axial rigidity is deducedfrom relative displacement etween inner and outer rings and force alance under the axi- al load.Second, the calculation formula of radial rigidity is deduced according to the deformation of rollers under the radial load with axial position preload.And the simple and convenient calculation formulas are presented after some reasona le.The results show that the difference etween the test data is relatively small for engineering application. Key words:axial preload;rigidity;tapered roller earing 10/9 8/9 　　, Q =17.368 δ l e (2) 。 　le [1, 2] , l =l-2r, mm e 。 l , mm 、 r , , Fa , Q 。 Q =F /Z sin α (3) 1　自由状态内外圈轴向相对位移 a