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摘要
钢管是一种多功能的钢材,其用途覆盖了石油、冶金、煤炭、汽车、船舶、电站以及军工等行业,为国家经济建设和国防安全做出了巨大的贡献。本文以国内外钢管生产线上精整区喷标系统的研究与开发现状为背景,对悬臂式钢管喷标系统进行了研究设计。本课题的主要研究工作:
第一章综合叙述了钢管的工艺生产流程及API国际标准;说明了国内喷标系统的开发现状及存在的问题并阐述了开发钢管喷标系统的必要性;陈述了课题的来源以及论文的主要工作和意义。
第二章针对喷标系统设计的总体说明,提出了系统的设计总目标;给出了系统设计的关键参数并给出了系统的平面布置图;根据系统的整体组成结构,对各部分机构及工作过程进行简单说明;最后给出喷标小车机械部分的设计方案以及简要概述喷标控制系统的总体设计。
第三章根据设备运行的要求设计了喷标小车的机械、电气结构,并且对关键部分的设计进行分析。
第四章介绍了喷标控制系统的设计组成,简述了PLC的编程方式,西门子S7400PLC的特点;PLC技术在工业应用中的优势分析以及PLC的硬件设计要求,喷标小车的伺服运动控制原理,最后给出了喷标流程图和相应的PLC程序。
第五章总结喷标系统设计过程所做的工作,并对系统的改进方向进行了展望。
关键词钢管;喷标;PLC;伺服电机;位置控制
ABSTRACT
Steel tube is widely used as a sort of metallic material in oil,metallurgy,automobile, watercraft, electric plant, war industry and so on. It is important to the national economic development. This dissertation is based on the design and development of the system of steel tencil in home and the aim of designing a Cantilever-Stencil Machine for Steel Pipe. the main contents are shown as follows:
In chapter 1,technological process of steel tube and the international standard API are the current situation of research and problems on tencilling system in China are also,the necessities of the improvement of it are ,the source of this project and the main contents as well as the significance of this paper are mentioned.
In chapter 2,according to the design target of stencil system,some key design parameters as well as the manufacture flow are put framework of an integrated tencil prising structures is presented,followed by a description of the mechanical struction and interaction.
In chapter 3, the mechanism structure is designed according to the requirement of the equipment function. And the pivotal piece is analyzed.
In chapter 4,PLC program metheod and the characters of S7400 series are introduced in are mainly focused on the modular design of PLC program,the servo-controlling system of the moving b