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基于ANSYS的四列圆柱滚子轴承接触应力和刚度分析 被引量:4

Contact Stress and Stiffness Analysis of Four-row Cylinder Roller Bearing Based on ANSYS
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摘要 对四列圆柱滚子轴承的接触应力、变形以及径向刚度进行了研究。建立了四列圆柱滚子轴承的有限元三维模型,基于ANSYS和Hertz接触理论,阐述了建模过程中的关键步骤,结合短应力线轧机的应用实例,计算了轴承滚子、内圈的接触应力与变形分布,直观表达了交错排列滚子之间的应力分布情况,计算结果和Hertz理论值相比较,具有较好的一致性。通过计算不同载荷下的轴承变形(轴承内孔轴线的相对位移),获得了轴承刚度随径向载荷变化的规律。 As for four row cylinder roller bearings, the contact stress, deformation and radial stiffness are studied, a three-dimensional finite element model of the four row cylinder roller bearings is built. By stating the critical process while building the model in combination of the ANSYS and Hertz contact theory, and calculating the contact stress distribution and deformation of bearing rollers and inner rings in combination of the short stress path rolling mills application examples, express directly the stress distribution between the rollers in staggered arrangement. While comparing the calculated results with the Hertz theoretical value, that it has a relatively good conformity. Then by analyzing the deformation of the bearings under radial load (the relative displacement of the axis of the bearings bore), the changing patterns of bearing stiffness under radial load is obtained.
出处 《机械工程师》 2013年第10期121-123,共3页 Mechanical Engineer
关键词 短应力线轧机 四列圆柱滚子轴承 ANSYS 轴承刚度 short stress path rolling mill four row cylinder roller bearings ANSYS bearing stiffness
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