汽车制造四大工艺课题论文.docVIP

西南林业大学 本科毕业（设计）论文 （2012届） 题目 教学院系 机械与交通学院 专 业 车辆工程 学生姓名 指导教师 评 阅 人 2012年月日The four manufacture process of automobile He qin zheng (Vehicle Engineering 2008, Southwest Forestry University,Kunming, Yunnan, 650224) Abstract： The automotive was referred to as the machine that changed the world. The automotive industry has a strong degree of industrial linkage, which is regarded as an important symbol of a countrys economic development level. Mainly studied in this thesis the four process of automobile stamping process as the four most important process, it affects the rest of the three processes, it is the focus of this paper. Welding, painting, assembly of the three processes is also an important part of the paper, as well as an overview of the process as the basis for the four process of automobile, in the paper was placed in the first place. The car manufacturing process, equipment and facilities to achieve the design goals of the automotive products and production and processing methods and means of achieving the basis of technical innovation. In the automobile manufacturing industry, stamping, welding, painting, assembly together four core technologies (ie, four processes). Keywords: stamping Welding Coating Assembly process 目 录 第一章 绪论 1 1.1 课题背景和研究意义 1 1.2 国内外汽车制造工艺现状 1 1.2.1 国外汽车制造工艺概述 1 1.2.2 国内汽车制造工艺概述 2 1.3 课题研究的主要内容和框架 2 第二章 汽车制造四大工艺概述 4 2.1 汽车的生产过程及其特点 4 2.2 工艺基础 5 2.3 汽车制造的四大工艺组成及其过程 5 第三章 汽车车身冲压、焊接工艺 7 3.1 冲压技术在汽车制造业中的地位 7 3.2 冲压工艺的特点及冲压工序的分类 7 3.2.1 冲压工艺的概念及特点 8 3.2.2 冲压工序的四个基本工序 9 3.3 冲压车间设备与材料 11 3.3.1 冲压车间设备 11 3.3.2 冲压车间材料 14 3.4 焊接的概念及其方式和焊装工艺 15 3.4.1 焊接的定义 16 3.4.2 焊接的常用方式 16 3.5 汽车车身冲压和焊接应注意的问题 20 第四章 汽车车身涂装、总装工艺 23 4.1 涂装前处理工艺 23 4.2 涂装工艺 25 4.2.1 阴极电泳涂装 25 4.2.2 中涂和面涂喷涂工艺 27 4.2.3 涂膜的固化（干燥）工艺 30 4.3 汽车装配概念及其特点 30 4.4 装配生产组织形式 31 4.4.1 固定式装配 31 4.4.2 流水式装配 32 4.5 汽车车身涂装和总装工艺应注意的几个问题 33 第五章 结论 36