netoolwihoutchang ryoutpropertransformation ingitsbasicfunctions,which 、ⅣilJnotonlyeconomizefundbutalsomakegooduseoforiginalmachine t001.Basedon thisthought。
overalltransformationofthepunchproducingthemeatbo xinCHANGZHI KeDatradecompanyhasbeencarriedout.11“spaperwillelaboratethepro cessofdesign indetail. Thedesigncontainstwomainsegtions:thetransformationoftheori ginalcontrol systemandthedevelopmentofautomaticallysendingmatedalins tallation.Ourdesign thoughtistodetectthelocationoftbeheadofpunchbyusingnearswitc h.handleandfeed backthecollectedinformationtoPLCcontroler,controlp utmaterialmotorandfeed materialsteppingmotordrivingthemechanicaldevicetoworkwi 也blowvalve coordinativebyPLCcontrolcr,thuscomplete”putmaterial --feedsmaterial一一die·一 blows”movement. Thenwecompletecorrespondin gparametershowandselection, movementstartingandslopingandothercontroloprationbymean softhetouch-screen andfinallyfeedrelatedinformationbacktothec entralcontrolroomandmonitorsystem bymea/Lsofpersonalcomputer. Thispaperfirstintroducesthebackgroundrelatedtoitandthemean ingandsourceofthistitle,thedefinitionofsystematicscheme,overallcompositionanddesignthoughtandtheoreticalbasis;thenitcarriesoutdetaileddesignwhichincludestensioncontroldesign,electricalcontrolmahicircuitandsupplementarycircuitdesign,theresourl∞allocationofPLCeontroler,eleetricalconnection,softwareprogramcode,theconnectedwayoftouch.screen,thedesignofcontrolinterfaceandetc;finallyasforcommunicati∞interfaceandlastpositionmachineitcarriesoutdctaileddesignthatincludstheconnectedwayof‘’PLC-一touch-screen··personalcomputer’’,communicationagreementaswellasdetailedcommunicationcode. Runningforthreemonths,the