奥氏体不锈钢采用焊条电弧焊焊接工艺(1).doc
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2、k segments. In accordance with the above requirements for development our dedicated backup software. After development, wing that opened in salt on high speed test results meet the design requirementsWith the passing of time, it is preparing source Huan of Hubei industrial investment company limited
3、 factory close to the planning of the day looks like, planning human ideals gradually into an entity, spread out before us. Security plan enters the deployed State. After listening to your business objective for the leaders of security, I quickly people with loyalty to the cause of security, as well
4、 as previous security experience, combined with peer pioneers of success stories or experiences. Border security on your business ideas and suggestions to make as follows: 1.1 after careful analysis of a blueprint of the enterprise, taking into account your enterprise factory boundary: 540.65M x 234
5、.24M rectangular site. 1.2 scope for such dachangqu, I recommend the solid border security deployment, for a range of reasons, whether we use infrared radiation, electronic fences, alarm had done there, where the response. Because the factory could not spend a great deal of manpower cost to post thr
6、ee steps, five steps and a whistle. As we all know, under the current form of human resources costs much higher than the cost of all scientific and technological input. In order to better achieve the goal of planners, as well as for Active solid border defense work. We recommend that you use infrare
7、d radiation or linkage of electronic fences with video security deployment to achieve security goals. 1.3 in accordance with the device on the wall of the compound properties and parameters to a reasonable plan to install the infrared radiation equipment or fences and electronic equipment as well as
8、 video surveillance equipment, the specific needs of the equipment and materials quantities we will detail later. 1.4 the programme according to your companys site to see and listen to the leadership proposal, and in accordance with the actual needs of the project, with reference to the relevant int
9、ernational standards and national standards, combined with the experience accumulated by the company engaged in multiple projects, prepare the technology package. If the contents or any other aspect of the programme has not detailed where we welcome your valuable comments. Second, the design princip
10、les of the project design follows technology advanced, functional, stable and cost-saving principles. And considering construction, maintenance and operation, and for future development, expansion, reconstruction and other factors leave room for expansion. Design elements of the system is the system
11、atic, integrated and comprehensive; design has the scientificity, reasonability and operability. Its has following principles: 2.1, and advanced and applicability used currently most advanced of soft, and hardware and the network technology, errors rate low, compatible sex strong, upgrade easy, used
12、 module type structure, expansion convenient, no repeat construction investment, system of technology performance and quality index should reached international leading level; while, system of installation debugging, and software programming and operation using and should simple, easy master, for Ch
13、ina conditions and this project of features. Set the number of advanced technology in a the systems, reflects the current level of the latest development of computer and network technology, adapted to the requirements of the times. While the system is the system used for various management levels, i
14、ts functions are configured to provide the user with comfortable, safe, fast and convenient to3.1, the intelligent building design standards (GB/t 50314-2000) 3.2, the design standard for intelligent building systems engineering (DB32/191-1998) 3.3, the code南 昌 工 程 学 院毕 业 设 计 (论 文)机械与电气工程 系(院) 10材料成
15、型及控制工程 专业毕业设计(论文)题目 奥氏体不锈钢采用焊条电弧焊的焊接工艺评定 学生姓名 毛小辉 班 级 10材料成型及控制工程 学 号 2010100284 指导教师 张丽玲 完成日期 2014 年 5 月 16 日奥氏体不锈钢采用焊条电弧焊的焊接工艺评定SMAW Procedure Qualification of Austenitic Stainless Steel 总计 毕业设计(论文) 30 页 表 格 9 个插 图 5 幅摘要根据目前奥氏体不锈钢焊接日益发展迅速的局面来看,如何针对奥氏体钢的焊接性能来选择合适的焊接工艺显得尤为重要,而焊接工艺评定又是焊接技术和焊接质量控制的水平和
16、能力的标志。鉴于此,在相关的不锈钢的性能知识中选用奥氏体不锈钢材料0Cr18Ni9,同样在焊接理论基础上,选出焊条电弧焊作为研究方法,结合焊接试验实例,阐述在奥氏体不锈钢采用焊条电弧焊的焊接过程中,如何对焊接材料和焊接工艺做出正确的选择,以及通过力学性能测试,采用拉伸、弯曲、冲击等试验方法来确保能得到具有良好使用性能的焊接接头,从而达到对奥氏体不锈钢焊接的焊接工艺评定。关键词 奥氏体不锈钢 焊条电弧焊 焊接工艺 力学性能测试AbstractAccording to the current welding of austenitic stainless steel grows rapidly,
17、weldability of austenitic steels is particularly important to select a suitable welding process. And it is a sign of the welding procedure qualification and capability of welding technology and welding quality control. In view of this, the selection of austenitic stainless steel material 0Cr18Ni9 in
18、 the performance of knowledge in a stainless steel, also in the welding theory basis, choose the SMAW as research methods, combined with the welding test examples, expounds on austenitic stainless steel by shielded metal arc welding process, how to make the right choice of welding material and weldi
19、ng process, and the through the test of mechanical properties, the tensile, bending, impact test method to ensure that can get the welded joint has good properties for use, so as to achieve the welding of austenitic stainless steel welding.Key Words: Austenitic stainless steel; SMAW; welding procedu
20、re; Mechanical testing目 录摘要 IABSTRACTII 第一章 绪论11.1 选题的依据11.2 课题的意义11.3 研究概况及发展趋势综述11.4 焊接技术的发展趋势21.5 主要内容及特色2第二章 奥氏体不锈钢42.1 奥氏体不锈钢的化学成分与力学性能42.2 奥氏体钢的焊接性52.2.1 0Cr18Ni9的焊接性能62.2.2 焊接接头的晶间腐蚀72.2.3 焊接接头的刀口腐蚀72.2.4 应力腐蚀开裂72.2.5 焊接接头的热裂纹问8第三章 焊条电弧焊工艺103.1 手工焊概述103.2 焊条电弧焊的原理及特点103.3 焊条电弧焊设备113.4 焊条的分类13
21、3.5 焊条电弧焊的操作14第四章 奥氏体不锈钢采用焊条电弧焊的焊接工艺174.1 焊前准备174.2 焊接工艺参数204.2.1 焊条直径204.2.2 焊接电流204.2.3 焊接位置204.2.4 焊接层数204.2.5 电弧电压204.2.6 焊接速度20第五章 奥氏体不锈钢采用焊条电弧焊的焊接实验研究22 5.1焊接实验设计图225.2焊接实验母材22 5.3焊接实验设备23 5.4焊接实验方法23 5.5焊接实验的步骤23 5.5.1 下料23 5.5.2 板材的装配24 5.5.3 焊接24 5.5.4 焊后的清理工作245.5.5 注意事项245.5.6 实验结果分析24 第六
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- 奥氏体 不锈钢 采用 焊条 电弧焊 焊接 工艺
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