汽车前门外形设计

逆向工程------某汽车前门外形设计

Reverse Engineering ------ shape design of a vehicle front

door

摘 要 作为一种新产品开发以及消化、吸收先进技术的重要手段, 逆向工程和快速原型技术可以胜任消化外来技术成果的要求。它们的出现改变了传统产品设计开发模式, 大大缩短了产品开发的时间周期,提高产品研发的成功率。

当今，各个行业越来越注重产品的外观设计，以此来吸引顾客，最终在商业上取得成功。这点在消费产品的设计中体现的尤为突出。特别是手机、数码相机、汽车等行业。现以逆向工程在汽车车门设计中的应用为例说明它的特点及其重要性。

关键词： 逆向工程 快速成型技术 汽车车门

Abstract

As a new product development as well as digestion and absorption of advanced technology an important tool, reverse engineering and rapid prototyping technology capable absorb imported technology-based requirements.Their emergence has changed the traditional product design and development model, greatly reducing product development cycle time, improve product development success rates.

Today, every industry increasingly focused on product design in order to attract customers and ultimately commercial success.This design in consumer products especially embodied.Especially mobile phones, digital cameras, car and other industries.Reverse engineering is to design the car door is an example of its characteristics and its importance. Key word：reverse engineering rapid prototyping technology

vehicle door

目录

第一章 绪论

1.1 逆向工程及其应用范围....................................1 1.2 逆向工程的结构体系......................................1 1.3 逆向工程研究及应用现状..................................2 1.4 CATIA软件的史..........................................3 1.5 CATIA软件的应用........................................4

第二章 逆向工程中的关键技术

2.1实物数字化技术..........................................6 2.2 逆向工程中相关技术的研究重点............................7 2.3 CATIA优势及其功能.......................................8

第三章 逆向建模

3.1 建模目的...............................................10 3.2 建模的准备工作.........................................10 3.3 点云的处理............................................10 3.4 扫描点云的导入、输出..................................11 3.5 扫描点云的过滤处理....................................11 3.6 扫描点云的剪切处理....................................11 3.7 扫描点云的合并与分解..................................12 3.8 扫描点云的对齐.........................................12 3.9 扫描点云的坐标变换.....................................12

3.10 CLASS-A..............................................12 3.11 结构件建模...........................................13 3.12 结构件设计建模的步骤..................................14 3.13 车门结构的焊点布置及装配..............................16 3.14 检查评审..............................................16 3.15 BOM表细化............................................16 3.16 2D投图...............................................17 3.17 整车逆向建模流程图....................................18

结论..............................................19 参考文献..........................................20 致谢..............................................22 附录..............................................23

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