加工中心刀库部分PMC控制系统设计研究论文[带图纸].doc -- 45 元

TianjinUniversityofTechnologyandEducation毕业设计专业机械维修及检测技术教育班级学号机检030126学生姓名张书林指导教师蒋丽副教授二〇〇八年六月天津工程师范学院本科生毕业设计加工中心刀库部分PMC控制系统研究设计PMCControlSystemStudyandDesignofMachiningCenterToolMagazineParts专业班级机检0301学生姓名张书林指导教师蒋丽副教授系别机械工程学院二〇〇八年六月摘要数控机床的发展与应用极大的提高了生产率。随着数控机床的普及，机械加工的自动化程度大大提高。加工中心带有自动换刀装置，能对工件按预定的程序进行多工序加工，从而缩短了零件加工的辅助时间。自动换刀装置应当满足换刀时间短和刀具存储量足够，加工中心的关键在于CNC对刀库的自动选刀和自动换刀的控制。本次研究对象为VMC630立式数控加工中心刀库部分PMC控制系统设计。该机床刀库容量为60把刀的链式刀库，刀库驱动采用带抱闸的三相异步电机，设计和研究的内容主要包括以下几点1.加工中心刀库和机械手的研究2.内置式PMCSA1的相关技术3.加工中心选刀方式和PMC实现的随机选刀的方法4.基于PMCSA1刀库控制系统的随机换刀程序设计。通过本设计完成对该机床刀库部分PMC控制系统的设计，使数控装置和PMC能协调共同完成随机自动换刀。关键词机械手刀库PMC随机换刀ABSTRACTDevelopmentandapplicationofthenumericalcontrollathehaveboostedproductivitygreatly.Withthepopularizationofthenumericalcontrollathe,Themachinedautomaticintensityisimprovedgreatly.Themachiningcenterchangesonehundredsheetsofdevicesautomatically,Canprocessmanyprocessestotheworkpieceaccordingtotheprocedurebooked,Thustheonethathasshortenedthepartandprocessedhasassistedtime.Changeonehundredsheetsesofdeviceshouldsatisfiedtochangeonehundredsheetsesoftimeandcutterstoringamountenoughautomatically,ThekeytothemachiningcenterliesinCNCselectingtheknifeautomaticallyandchangingthecontrolofonehundredsheetsautomaticallytoonehundredsheetsofstorehouses.ThisresearchobjectisdesignedforonehundredsheetsofstorehousessomePMCcontrolsystemsofVMC630verticalnumericalcontrolmachiningcenter.Aonehundredsheetsofcapacityofstorehouseofthislatheischaintypeonehundredsheetsofstorehousesof60knives,Onehundredsheetsofstorehousesdrivesthreedifferentstepelectricalmachineriesadoptingtheareaandembracingthefloodgate,Thecontentdesignedandstudiedmainlyincludesthefollowingseveralpoints1.Machiningcenteraonehundredsheetsofresearchofstorehousesandmanipulators2.RelevanttechnologyofbuiltinPMCSA13.MachiningcenterselectonehundredsheetsesofwayandwhomPMCrealizeselectthemethodofonehundredsheetsatrandom4.BecauseofchangingaonehundredsheetsofdesignprogramatrandomofPMCSA1onehundredsheetsofcontrolsystemsofstorehouse.FinishessomedesignsofPMCcontrolsystemofonehundredsheetsofstorehousestothislathethroughoriginallydesigning,makethenumericalcontroldevicecanbecoordinatedandfinishedchangingtheknifewithPMCautomaticallyatrandomtogether.KeyWordsATCToolmagazinePMCRandomToolChanging目录1绪论...........................................................................................................................11.1加工中心和自动换刀装置概述.....................................................................11.2FANUC0i系统中的PMC概述....................................................................21.2.1PMC概述.............................................................................................21.3本文的主要研究内容....................................................................................52加工中心自动换刀装置的研究...........................................................................6、2.1加工中心自动换刀装置的主要类型和特点................................................62.1.1转塔头式自动换刀装置......................................................................62.1.2有刀库的转塔头式换刀装置.............................................................62.1.3刀库式自动装置.................................................................................72.2刀库式自动换刀装置的作用及其组成.........................................................82.2.1刀库......................................................................................................82.2.2刀具交换装置....................................................................................102.2.3机械手的驱动与控制方式...........................................................123PLC控制的随机换刀方式的研究..........................................................................133.1常见的自动选刀方式..................................................................................133.1.1顺序选刀...........................................................................................133.1.2随机选刀...........................................................................................133.2PLC的随机换刀...........................................................................................143.2.1计算机记忆式选刀方式的方法.......................................................143.2.2计算机记忆式选刀的软件设计.......................................................153.3PLC的选择与FANUC系统内装式PMC.................................................173.3.1可编程控制器机型选择的一般原则...............................................173.3.2FANUC0i系统内装式PMC介绍...................................................193.3.3PMC控制程序数据区地址的分布...................................................224刀库、机械手与主轴间的自动换刀.....................................................................244.1自动换刀程序示意图及整个实现过程......................................................244.1.1刀库工作原理....................................................................................244.1.2刀库机械手换刀过程.......................................................................254.1.3、机械手工作程序及对电气系统的要求.........................................264.2刀库部分PMC控制系统设计....................................................................274．2．1用PMCSA1实现随机换刀的方法...........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