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钢管自动喷标系统之喷标小车的设计毕业论文.doc

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钢管自动喷标系统之喷标小车的设计毕业论文.doc

I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IIABSTRACTSteeltubeiswidelyusedasasortofmetallicmaterialinoil,metallurgy,automobile,watercraft,electricplant,warindustryandsoon.Itisimportanttothenationaleconomicdevelopment.Thisdissertationisbasedonthedesignanddevelopmentofthesystemofsteeltencilinhomeandabroad.withtheaimofdesigningaCantileverStencilMachineforSteelPipe.themaincontentsareshownasfollowsInchapter1,technologicalprocessofsteeltubeandtheinternationalstandardAPIareintroduced.ThenthecurrentsituationofresearchandproblemsontencillingsysteminChinaaredescribed.Andalso,thenecessitiesoftheimprovementofitareexplained.Finally,thesourceofthisprojectandthemaincontentsaswellasthesignificanceofthispaperarementioned.Inchapter2,accordingtothedesigntargetofstencilsystem,somekeydesignparametersaswellasthemanufactureflowareputforward.Theframeworkofanintegratedtencilsystemcomprisingstructuresispresented,followedbyadescriptionofthemechanicalstructionandinteraction.Inchapter3,themechanismstructureisdesignedaccordingtotherequirementoftheequipmentfunction.Andthepivotalpieceisanalyzed.Inchapter4,PLCprogrammetheodandthecharactersofS7400seriesareintroducedinbrief.AttentionaremainlyfocusedonthemodulardesignofPLCprogram,theservocontrollingsystemofthemovingstructure.flowedbythePLCprogramismentioned.Inchapter5,theworkofdissertationissummarizedandprospectofimprovingdirectionofsystemispresented.KeywordssteeltubestencilPLCservomotorpositioncontrol目录1绪论.............................................................................................................................................11.1钢管喷标系统的开发现状..................................................................................................11.1.1引言..............................................................................................................................11.1.2喷标系统的开发现状..................................................................................................31.2钢管喷标系统开发的必要性..............................................................................................41.3课题来源..............................................................................................................................41.4论文的主要工作和意义......................................................................................................42喷标系统总体设计.....................................................................................................................52.1喷标系统设计要求..............................................................................................................52.2喷标系统总体设计..............................................................................................................52.2.1喷标小车的机械结构设计..........................................................................................52.3喷标系统的控制系统设计..................................................................................................72.3.1喷标系统的自动工作过程..........................................................................................72.4本章小结..............................................................................................................................83小车机械、电气结构设计.........................................................................................................93.1横移机构的设计..................................................................................................................93.1.1齿轮齿条副设计..........................................................................................................93.1.2滚动直线导轨副设计................................................................................................103.1.3伺服电机的选型........................................................................................................143.2喷头升降机构的设计........................................................................................................153.2.1选择喷标方式............................................................................................................163.2.2气缸的选型................................................................................................................173.2.3气缸活塞与喷头的配合............................................................................................183.2.4气缸的固定................................................................................................................193.3喷头位置调节机构设计....................................................................................................203.3.1滚动直线导轨副........................................................................................................203.3.2锥齿轮副设计............................................................................................................213.3.3丝杆副设计................................................................................................................283.4防撞机构设计....................................................................................................................283.4.1动作方式....................................................................................................................293.5气路控制系统设计............................................................................................................29II3.5.1气动回路....................................................................................................................293.6本章小结............................................................................................................................314喷标控制系统设计...................................................................................................................324.1控制系统的组成................................................................................................................324.2PLC软件及编程..................................................................................................................324.3PLC在喷标系统中的应用..................................................................................................334.3.1PLC的特点..................................................................................................................334.3.2PLC在工业应用中的优势.........................................................................................334.3.3S7400编程方式........................................................................................................344.4PLC系统的硬件设计..........................................................................................................354.4.1PLCI/O点数统计.......................................................................................................354.5喷标小车的伺服运动控制................................................................................................364.5.1伺服控制系统简介.....................................................................................................364.5.2伺服运动控制系统工作原理....................................................................................374.6PLC程序设计......................................................................................................................384.6.1喷标流程....................................................................................................................384.7配电电气控制....................................................................................................................384.8本章小结............................................................................................................................395结论...........................................................................................................................................40致谢...............................................................................................................................................41参考文献.......................................................................................................................................42附录................................................................................................................错误未定义书签。附录1..........................................................................................................错误未定义书签。外文原文..................................................................................................错误未定义书签。译文部分..................................................................................................错误未定义书签。附录2........................................................................................................................................43附录3........................................................................................................................................56

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