1、I 摘 要 本文围绕 258 摩托车平叉焊接生产的工艺设计这一课题，针对目前摩托车平 叉生产布局不合理,生产效率低,产品一次合格率不高的问题, 调查收集目前国内外 摩托车平叉生产制造企业的现状,分析研究生产效率低,产品一次合格率不高的原 因, 进行全面论述，提出解决办法。通过分析当前中国摩托车行业的严峻形势，指 出摩托车生产技术革新的重要性和紧迫性。本文的主要内容包括摩托车平叉的结 构特点，焊接生产线设计的基本原则，焊接设备的选择及特点介绍等。通过对平 叉材质及其焊接性的分析，阐述焊接方法、填充金属、焊接工艺等因素对焊接加 工的影响规律，对焊接机器人进行研究改进使其适合此类摩托车平叉的焊接生产
2、， 并制定出一套平叉焊接生产的质量控制基本方法。通过摩托车制造企业的实习及 实验研究，设计出一套 258 摩托车平叉焊接生产的工艺。 关键词关键词：摩托车平叉，焊接，工艺，结构 II ABSTRACT In this article, around this study of the 258 motorcycle fork welding production process design, in view of problem of current location of production of the motorcycle fork, low productivity, a passi
3、ng rate of products is not high, collection through survey the current situation of both home and abroad motorcycle fork manufacturing enterprises, analysis the reasons of the low production efficiency and the product is not a high pass rate, conducting a comprehensive exposition, to propose solutio
4、ns. By analyzing the grim situation of Chinas motorcycle industry, point out the importance and urgency of the motorcycle productions technological innovation, the main contents of this article, including the structure characteristics of the motorcycle fork, the basic principles of design of welding
5、 production line, the choice of welding equipment and options and features introduced. Through the fork of welding material and analysis, expound the welding method, filling metal, welding technology and other factors on the impact of the law of welding, conducting a study for the welding robot to i
6、mprove the level of such a motorcycle fork welding production, and make a set of the basic methods of the methods of quality control of fork welding production. Though practical training in motorcycle manufacturers and experimental research, design a set of 258 motorcycle fork welding technology . Key words: motorcycle fork, weld, technology, structure III 目 录 摘 要 I ABSTRACT II 1 绪论 1 1.1 课题背景 1 1.2 国内外现状 . 1 1.2.1 摩托车工业的发展现状 . 1 1.2.2 焊接产业的现状 3 1.3 选题目的及重点研究内容 . 5 1.3.1 选题目的 5 1.3.2 重点研究内容 .
