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车变速器的三维设计及仿真建模 车变速箱三维设计及仿真建模 基于UG 的 基于UG的汽车 变速器运动仿真三维 车变速器的三维设计及仿真建模三维图纸+运动仿真 图纸UG三维 基于 UG 的 三维建模设计

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目录1.绪论11.1 CAD软件在国内外发展现状及研究意义11.2设计开发平台的选取11.3 Unigraphics软件的简介21.4 商用车变速器在国内发展现状21.5 机械式商用汽车变速器的技术特点31.6本文主要工作32.变速器的结构设计与参数选取42.1手动变速器的工作原理42.2设计参数52.3发动机的选择52.3.1发动机最大功率和相应转速的确定52.3.2发动机最大转矩的确定62.3.3发动机型号62.4变速器设计62.4.1传动系最小传动比选择62.4.2变速器形式的选择72.4.3传动机构布置方案分析72.5变速器主要参数的选择92.6轴的计算132.7变速器轴承142.8同步器153.变速器的实体建模与装配203.1变速器各部件的实体建模方法203.1.1直齿轮的建模203.1.2斜齿轮的建模233.1.3一轴的建模273.1.4轴承的建模333.2变速器装配体的建模343.2.1 UG装配模块功能简述343.2.2添加已有的组件到装配体353.2.3在装配中定位组件353.2.4装配综合实例363.3平面工程图的生成394.变速器的仿真分析444.1运动仿真444.2有限元分析46致 谢50参考文献51基于UG的商用车变速箱三维设计及仿真建模 摘要本文阐述汽车变速器在汽车中的功用、汽车变速器的工作原理及汽车变速器的设计和发展形势。讨论了汽车变速器的分类情况，阐述了国内外汽车变速器的研究现状。具体说明了汽车机械式变速器的设计步骤及本课题的设计情况。文中表述了该变速器的动力传动方案，计算列举了相关挡位的传动比，设计了变速器的传动齿轮，轴等重要零部件。利用UG软件进行汽车机械式有机变速器总成设计，并配有重要的零件设计和制作过程。零部件和变速器整体的装配制作过程，以及变速器的运动仿真过程，二维工程图的产生。有限元分析的过程。关键词：汽车变速箱 三维实体建模 运动分析The Design and Simulation of 3D Modeling Commercial Vehicle Transmission Gearbox Based on UG Abstract The article also elaborates the automobile transmission gearbox in automobile function, the automobile transmission gearbox principle of work and the automobile transmission gearbox design and the development situation. Discussed the automobile transmission gearbox classified situation, elaborated the domestic and foreign automobile transmission gearbox research present situation. Specifically explained the automobile mechanical type transmission gearbox design procedure and this topic design situation. In the article has indicated this transmission gearbox power drive plan, and the computation enumerated the correlation to keep off position the velocity ratio, has designed the transmission gearbox transmission gear, the axis and so on the important spare part.This article uses UG software to carry on the automobile mechanical type organic transmission gearbox always to become the design, and has the important components design and the manufacture process. Spare part and transmission gearbox whole assembly manufacture process, as well as transmission gearbox movement simulation process, two-dimensional engineering plat pro