摘 要:Pro/ENGINEER软件是PTC公司基于单一数据库、参数化、特征、全相关及工程数据再利用等概念的基础上开发出的一个功能强大的CAD/CAE/CAM软件，它能将产品从设计到生产加工的过程集成在一起，让所有用户同时进行同一个产品的设计与制造工作。
自行车是人类发明的最成功的一种人力机械，是由许多简单机械组成的复杂机械。
基于自行车广泛的用途，在现代社会生活中有着举足轻重的地位，本次设计以Pro/ENGINEER为画图软件对自行车进行三维建模，模拟装配及运动仿真，使自行车内部结构，装配过程以及运动方式清晰地展示出来。
本文第一章介绍了模拟装配及运动仿真发展现状和未来的发展趋势，研究目的和意义；第二章介绍了自行车后轮部分主要零部件的建模方法；第三章介绍了装配设计的概念以及部分机构的装配方法；第四章介绍了装配动画的制作过程；第五章介绍了运动仿真的制作过程；第六章是对本设计的总结。
设计的过程大致为：选择自行车 → 拆卸自行车 →测绘零件 →三维实体建模 → 装配设计 → 示教动画制作 → 模拟运动仿真。
关键词：Pro/ENGINEER；自行车；模拟装配；运动仿真；示教动画
ABSTRACT:Pro/ENGINEER software is a powerful CAD/CAE/CAM software. It is developed by PTC Company based on the concept of single database, parametric, feature, total correlation, engineering data reuse and so on. It can make the product from design to production processes are integrated together, let all users design and manufacturing a product simultaneously.
Bicycle is a human invention of one of the most successful human machinery, is a complex machinery composed of many simple machines.
Based on the extensive use of bicycles and its significant place in modern social life, this design use Pro/ENGINEER as drawing software on a bicycle for three-dimensional modeling, assembly simulation and motion simulation, so the internal structure of bicycle and its, assembling process as well as the movement pattern can be clearly displayed.
The first chapter of this paper describes the development status and future development trend, research purpose and significance of simulation assembly and motion simulation; the second chapter introduces the modeling method of main parts of the bicycle rear wheel; the third chapter introduces the assembly design concept as well as the assembly method of the body portion; the fourth chapter introduces the production process of assembly animation; the fifth chapter introduces the production process of motion simulation; the sixth chapter is a summary of the design.
In the design process is roughly as follows: choose a bicycle → disassembly bicycle → surveying and mapping parts →3-D solid modeling → assembly design→ teaching animation → analog motion simulation.
Key words: Pro/ENGINEER; bicycle; assembly simulation; motion simulation; teaching animation
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