球磨机轴承设计稿及动态特分析毕业设计稿专业论文.docVIP

毕 业 设 计 设计题目：球磨机轴承设计及动态特性分析 球磨机轴承设计及动态特性分析 摘 要 球磨机是冶金、建材、煤炭和化工等工业部门最重要的设备之一，本文在三维设计的基础上对轴承进行了相关分析，主要内容如下： 在了解球磨机原理的基础上进行了三维设计，用理论计算的方法对球磨机相关部件做了受力分析。 在未考虑接触的情况下，建立了该球磨机轴承的有限元模型,得出滚子轴承在正常工作下的应力和变形分析结果及分布规律。 依据赫兹接触强度计算理论，在考虑接触的情况下，研究了圆柱滚子轴承的接触应力。得出当内圈与滚动体运动到与轴承所受径向载荷方向重合时，内圈与滚动体之间的接触应力最大，并对轴承相关部件做了有限元分析及讨论。 利用大型有限元分析软件ANSYS对轴承进行了模态分析, 其结果对轴承设计质量的提高有一定的指导意义。 关键词：球磨机；轴承；有限元；应力；变形 The design and dynamic analysis for the bearing of ball mill Abstract Ball mill is one of the most importance equipments of industry sections, such as metallurgy, building materials, coal and chemical engineering.This text carried on to the bearings on the foundation of three-dimensional design related analysis, main contents as follows： On the foundation of understanding Ball mill,s principle , carried on a three-dimensional design to it，then use the method of theories calculation to make analysis for the related parts of the Ball mill .Under the circumstance that dont consideration contact，the finite element model of the bearing of ball mill was established.Then the result of stress and displacement of the rotator under the conditions of working and their distributing law was got.Beased on the theory of Hertz stress,under the circumstance that consideration contact，the contact stress of roller bearing is analysed in this paper.The result prove that contact stress between roller and inner circle is maximum when they are in the line with radial load，and bearing related components to do a finite element analysis and discussion.Make use of a large finite element software ANSYS to the bearing carry on modal analysis，the results will have a certain significance on improving the quality of bearing,s design. Ball mill; bearing; finite element; Stress; displaced shape 目 录 1引言 1 2概述 2 2.1球磨机磨矿 2 2.2球磨机主轴承改革的趋势 2 2.2.1球磨机滑动轴承的优点与缺点 2 2.2.2球磨机主轴承采用滚动轴承的优点 3 2.2.3滚动轴承代替滑动轴承的设计要求 4 2.2.4结　语 4 2.3球磨机应力研究的发展现状 5 2.4相关理论概要 5 2.4.1接触力学 contact mechanics 6 2.4.2屈服准则 7 2.5 Pro/E技术的发展 8 2.5.