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摘要本文利用Pro/E和VRML实现齿轮泵的虚拟装配技术，是将大型3D的CAD/CAM系统软件和以虚拟现实为特征的的3Dweb技术核心的ASCII描述语言结合在一起。实现了直观的人机交互，即是在虚拟环境中通过操作零件和计算机语言命令直接完成装配操作。它利用计算机将装配设计过程扩展到虚拟三维空间，能动态观察产品的各个细节。针对齿轮泵装配利用该技术可优化产品设计，避免或减少物理模型的制作，缩短开发周期，降低成本，从而实现产品的并行开发，提高了齿轮泵的装配质量和效率，改善产品的售后服务。此方案为复杂机械产品的虚拟装配提供了一种可借鉴的技术与方法。本文通过Pro/E和VRML环境下对齿轮泵的三维实体建模以及虚拟装配，并构建了虚拟装配的场景交互，引入VRMLscript程序实现了齿轮泵的虚拟装配及动画效果。通过齿轮泵的虚拟装配实践，建立了一种简便有效的利用VRML实现虚拟装配的方法。这在今后的各个领域都具有极其重要的借鉴价值，将其技术应用于工业、农业、商业、教学和科研方面，其应用前景非常广阔。49542
毕业论文关键词：VRML，Pro/E，虚拟装配，齿轮泵
Abstract This paper uses Pro/E and VRML to realize gear pump virtual assembly technology, is a large 3D CAD/CAM system software and virtual reality for the characteristics of the 3Dweb technology for the core of ASCII description language together. The realization of the intuitive man-machine interaction, which is in a virtual environment through the operating parts and computer language commands directly to complete the assembly operation. It uses the computer assembly design process is extended to three-dimensional space, dynamic observation of product details. The gear pump assembly utilizing this technology can optimize the product design, avoid or reduce the physical models of production, shorten the development cycle, reduce cost, and implementation of product concurrent development, improve the gear pump assembly quality and efficiency, improve product after sale service. This scheme for complex mechanical product virtual assembly provides a referential method and technology. This article through the Pro/E and VRML environment for the gear pump of the 3D solid modeling and virtual assembly, and the construction of virtual scene interactive, the introduction of VRMLscript program of gear pump virtual assembly and animation effects. Through the gear pump virtual assembly practice, establishes a simple, effective use of VRML to realize the virtual assembly. In the future in various fields has very important reference value, its technology applied in industry, agriculture, business, education and scientific research, its application prospect is very broad.
Key words: VRML, Pro/E, Virtual assembly,gear oil pump
目录
第一章 绪 论 1
1. 1 课题研究背景 1
1. 2 课题研究的目的和意义 1
1. 3 课题研究的方向和内容 2
1. 4本章小结 2
第二章 VRML及Pro/E简介 3
2.1VRML简介 3
2.1.1 VRML的历史 3
2.1.2VRML的功能概述 3
2.1.3VRML的发展现状和存在的问题 4
2.1.4VRML的发展前景 4
2.2 PRO/E简介 5
2.2.1Pro/E概述 5
2.2.2Pro/E的功能 5
2.2.3Pro/E的特点和优势
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