摘要本设计是研究机械加工中常用的Z3040摇臂钻床传统电气控制系统的改造问题,旨在解决传统继电器—接触器电气控制系统存在的线路复杂、可靠性稳定性差、故障诊断和排除困难等难题。由于PLC电气控制系统与继电器—接触器电气控制系统相比，具有结构简单，编程方便，调试周期短，可靠性高，抗干扰能力强，故障率低，对工作环境要求低等一系列优点。因此，本设计对Z3040摇臂钻床电气控制系统的改造，将把PLC控制技术应用到改造方案中去，从而大大提高摇臂钻床的工作性能。论文分析了摇臂钻床的控制原理，制定了可编程序控制器改造Z3040摇臂钻床电气控制系统的设计方案，完成了电气控制系统硬件和软件的设计，其中包括PLC机型的选择、I/O端口的分配、I/O硬件接线图的绘制、PLC的SFC图和梯形图程序的设计，由于没有实物，还进行了仿真电路设计。对PLC控制摇臂钻床的工作过程作了详细阐述，论述了采用PLC取代传统继电器—接触器电气控制系统从而提高机床工作性能的方法，给出了相应的控制原理图。关键词：可编程控制器；摇臂钻床；电气控制系统；梯形图AbstractThisdesignistostudiesthemachineprocessincommonuseZ3040ininsideradialdrillingmachineelectriccontrolsystemimprovesproblem.Theaimissolvingdevicecomplexity,inferiorreliabilityandstability,malfunctionanalysisandtroubleobviationofthetraditionalrelayelectriccontrolsystem.BecauseofelectriccontrolsystemPLCtherearelotsofadvantageswhichincludedesign,install,connectthelineandadjusttotryworkloadsmall,theperiodofresearchandmanufactureisshort,reliabilityishigh,theabilityofAnti-interferenceisverystrong,therateofbreakdownislow,thedemandofworkenvironmentislow,maintenanceconvenienceaseriesofadvantageetc.Therefore,aworkfortotheZ3040radialdrillingmachineelectriccontrolsystemreforming,willreformingPLCcontroltechniqueapplicationintheproject,thenincreasingradialdrillingmachine’sworkfunction.Thepaperintroducestothecontrolprincipleoftheradialdrillingmachine.EstablishedtheprogrammablecontrollerimprovethedesignprojectofelectriccontrolsystemofZ3040radialdrillingmachine.Completedthedesignofthesoftwareandhardwareoftheelectriccontrolsystem,AmongthemincludethemodelofPLCchoice、theI/Oallotmentoftheaddress、theI/Ohardwareconnectsthelinediagram、PLC'sSFCdiagramtrapeziumdiagram’sdesign,lackofphysical,butalsosimulatedcircuitdesign..ItexplainsthatPLCcontroltheworkprocessofradialdrillingmachine.DiscussingtheadoptionPLCreplacesthetraditionalelectriccontrolsystem’smethodandincreasestheworkfunctionofradialdrillingmachine,giveahomologouscontrolprinciplediagram.Keywords:PLC；Radialdrillingmachine；ElectricControlSystem；Trapeziumdiagram目录1绪论..................................................................11.1本设计的选题背景和意义...........................................11.2国内外关于本课题的技术研究现状和发展状态........................22Z3040摇臂钻床及传统电气控制原理分析..................................32.1Z3040摇臂钻床简介...............................................32.2Z3040摇臂钻床的结构及运动形式...................................32.2.1Z3040摇臂钻床的结构···················32.2.2摇臂钻床的运动形式····················42.3Z3040传统控制线路原理分析.......................................52.3.1主电路分析························62.3.2信号及照明电路分析····················72.3.3控制电路分析·······················82.4联锁和保护环节..................................................132.4.1联锁环节·················...
