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TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc263949463"1绪论PAGEREF_Toc263949463\h1HYPERLINK\l"_Toc263949464"本设计的选题背景和意义PAGEREF_Toc263949464\h1HYPERLINK\l"_Toc263949465"1.2国内外关于本课题的技术研究现状和发展状态PAGEREF_Toc263949465\h2HYPERLINK\l"_Toc263949466"2Z3040摇臂钻床及传统电气控制原理分析PAGEREF_Toc263949466\h3HYPERLINK\l"_Toc263949467"2.1Z3040摇臂钻床简介PAGEREF_Toc263949467\h3HYPERLINK\l"_Toc263949468"2.2Z3040摇臂钻床的结构及运动形式PAGEREF_Toc263949468\h3H