簡(jiǎn)介:3800英文單詞,英文單詞,18500英文字符,中文英文字符,中文6000字文獻(xiàn)出處文獻(xiàn)出處SILVAGB,SILVAFJG,CAMPILHOR,ETALDESIGNINGANOVELFEEDINGSYSTEMFORCNCTURNINGMACHINESJPROCEDIAMANUFACTURING,2018,1711441153DESIGNINGANOVELFEEDINGSYSTEMFORCNCTURNINGMACHINESGABRIELBSILVA,FJGSILVA,RDSGCAMPILHO,RMGOUVEIAABSTRACTMACHININGISAMANUFACTURINGPROCESSWIDELYUSEDINTHEINDUSTRYTHATDIRECTLYIMPACTSONTECHNOLOGICALDEVELOPMENTTHEMACHININGPROCESSESARECARRIEDOUTBYMACHINETOOLS,WHICHMAYHAVEMANUAL,AUTOMATICORCNCOPERATIONTHEAUTOMATICMACHINESARESUITABLEFORTHEPRODUCTIONOFPARTSWITHCOMPLEXGEOMETRYAND/ORWHENITISNECESSARYTOPRODUCEPARTSONALARGESCALEINCASESWHERETHEREISANEEDTOPRODUCEPARTSINLARGEAMOUNTS,TYPICALLYFULLYAUTOMATICCNCMACHINESANDPROCESSESAREUSED,WHICHINCREASESTHEPRODUCTIONCAPACITYOFTHECOMPANIESTHESEMACHINESREQUIREEQUIPMENTCAPABLEOFFEEDINGTHERAWMATERIALTOTHEINSIDEOFTHEMACHINETOOLSFORTHAT,THROUGHOUTTHISWORKISDEVELOPEDTHEMECHANICALDESIGNOFABARFEEDERMACHINEFORCNCTURNINGCENTRES,THATWILLOPERATEWITHLOWCYCLETIMEANDCANBEOPERATEDSAFELYANDINAQUICKWAYBYTHEOPERATORKEYWORDSMACHINING,MANUFACTURINGPROCESS,CNCTURNINGCENTRES,CNCMACHINES,AUTOMATICBARFEEDINGSYSTEMS,MACHINEUPGRADE1INTRODUCTIONMACHININGISASUBTRACTIVEMANUFACTURINGPROCESSWIDELYUSEDTOOBTAINMECHANICALPARTSWITHVERYGOODSURFACEFINISHING1ITCANASSUMEDIFFERENTMODES,DEPENDINGONTHEGEOMETRYTOBEGENERATED,SHAPECOMPLEXITYOFTHEFINALPARTANDSURFACEQUALITYREQUIRED2AHUGENUMBEROFSTUDIESHAVEBEENDEVOTEDTOMACHININGPROCESSES,SINCETHEOPTIMIZATIONOFMACHININGPARAMETERSTOTHELIFESPANINVESTIGATIONOFUNCOATEDANDCOATEDTOOLSWITHDIVERSEMATERIALSANDCUTTINGCONDITIONS36POWERCONSUMPTIONANDOTHERISSUESRELATEDTOTHESUSTAINABILITYHAVEBEENALSOACUTELYINVESTIGATED7,8MOREOVER,THELUBRICANTSHAVEBEENALSODEEPLYSTUDIED,REGARDINGTHEIRHARMFULENVIRONMENTALBEHAVIOR9,10CNCCOMPUTERNUMERICALCONTROLBROUGHT,INTHELASTDECADES,AHUGEINCREASEINFLEXIBILITYANDPRODUCTIVITYTOWHOLEMACHININGPROCESSES,GIVINGRISETOANEWMETALWORKINGGENERATION11RECENTLY,ANDTAKINGADVANTAGEOFTHECNCMACHINESANDCAD/CAMSOFTWARECOMPUTERAIDEDDESIGN/COMPUTERAIDEDMANUFACTURING,MANYSTUDIESHAVEBEENCARRIEDOUTREGARDINGTRAJECTORYOPTIMIZATION,TRYINGTOSAVETIMEANDIMPROVETHESURFACES’QUALITY12,13NOWADAYS,UNDERTHEADVENTOFINDUSTRY40PRINCIPLES,ADEEPERATTENTIONHASBEENKEENTOTHEPERIPHERALDEVICESNECESSARYTOIMPROVEPRODUCTIVITY14,15EFFECTIVELY,PRODUCTIVITYANDQUALITYARETHEREQUIREMENTSMOSTLYDEMANDEDINTHISSECTOROFACTIVITY16,17,ANDTHEYCANBEOPTIMIZEDFOLLOWINGDIFFERENTWAYS,SINCETHEADEQUATETOOLSELECTIONTOTHEBESTSETOFPARAMETERSINORDERTOWORKCERTAINRAWMATERIALSALSO,OTHERCONDITIONSHAVETOBETAKENINTOACCOUNT,SUCHASMACHINEROBUSTNESSANDCHARACTERISTICS,INORDERTOLEADTOTHEDESIREDQUALITYRESULTSUSINGTHEMINIMUMCYCLETIMECNCLATHESAREUSUALLYUSEDFORREVOLUTIONSHAPEPARTS,WHICHARETYPICALLYPRODUCEDINLARGESCALETHEREARESOMESTUDIESABOUTLATHESANDITSFUNCTIONING1820,BUTTHEMAININVESTIGATEDISSUESARERELATEDTOTHECLAMPINGSYSTEMS18,19ANDAUTOMATICCUTTINGTOOLCONDITIONMONITORING20,AMONGOTHERS,BUTTHEIMPROVEMENTOFTHEPRODUCTIVITYMAINLYLINKEDTOOLDERCNCLATHES00REFERENCESSTORETHEDRAWSOFTHEBARSTHATTHEMACHINENEEDSTOFEEDINTOTHEMACHINETOOL01STRUCTURETOSUSTAINTHEWEIGHTOFTHEMACHINEANDTHEBARS’STORED02FEEDERCARPUTTHEBARINTOTHEMACHINETOOLANDREMOVETHEREMAINDEROFTHECURRENTBARFROMINSIDETHEMACHINE03LOADANDUNLOADATTACHANDUNCOUPLETHEBARFROMTHEGRIPLOCATEDINTHEFEEDERCARSYSTEM04CLAWSHOLDTHEBARTOTHELOADANDUNLOADSYSTEMATTACHANDUNCOUPLETHEBARFROMTHEFEEDERCARSYSTEMGRIP05FEEDSYSTEMTRANSFERTHEBARFROMTHESTORAGEZONETOTHEFEEDZONE06LIFTINGSYSTEMELEVATEANDTURNDOWNTHEFRONTALLINEARGUIDEWAYSANDTHEBARGUIDEROD07DRIVEMOTORMOVETHEFEEDERCARSYSTEM08FAIRINGSEALTHEMACHINETOPREVENTLEAKAGEANDWORKACCIDENT09MECHANISMBASETOSUSTAINTHEFEEDSYSTEMMECHANISM10LUBRICATIONSYSTEMLUBRICATETHELINEARGUIDEWAYSRESPONSIBLETOGUIDETHEBARANDAVOIDPREMATUREWEAR11STABILIZATIONSYSTEMSTABILIZETHEBARWHENREMOVEDFROMTHEMACHINETHUS,THEMAINCONCERNSREGARDINGTHEDESIGNCANBEDESCRIBEDASFOLLOWSAUSEOFWELLKNOWNMECHANISMS,OPTIMIZINGTHEMASMUCHASPOSSIBLE,INCREASINGTHEIRPERFORMANCEBDRIVEMOTORSELECTIONDESERVESSPECIALCAREBECAUSEITISTHESYSTEMRESPONSIBLETODRIVETHEFEEDCARCPARTSREQUIRINGMECHANICALSETUPWEREDEVELOPEDWITHTHEMINIMUMSCREWSTOTIGHTENANDLOOSENDTHESETUPSOFTHEFEEDERCARPOSITIONSWILLBEMADEDIGITALLYBYTHEMANMACHINEINTERFACEECALCULATIONSSHOULDBEMADEJUSTFORCRITICALSTRUCTURALPARTSANDASSEMBLIESFDRIVEMOTORDESERVESSPECIALATTENTIONBECAUSEITHASCRUCIALIMPORTANCEINTHEEQUIPMENTCYCLETIMETHEDRIVERMOTORISRESPONSIBLETOMOVETHEFEEDERCAR,BYMEANSOFACHAINDRIVE,ANDITISRESPONSIBLETODEVELOPTHEFOLLOWINGACTIONSSTEPS1REMOVETHERESTOFTHEBARFROMINSIDETHECNCMACHINE2ALIGNTHENEWBARTOBEATTACHEDTOTHEBARGUIDEROD3FEEDTHENEWBARINTOTHECNCMACHINETHESYSTEMPERFORMANCETIMEISVERYIMPORTANTTOTHEEQUIPMENTCYCLETIMEBECAUSEITISTHESYSTEMTHATDEVELOPSTHEMAINMOVEMENTREGARDINGTHEPROCESSANDPRESENTSTHELONGESTOPERATIONTIMEWITHINTHECYCLEINTHEFIRSTSTEP,LISTEDABOVE,THEFEEDERCAR,COUPLEDWITHTHEBARGUIDERODFIG1,TRAVELS32METERSINTHESECONDSTEP,THEFEEDERCARISNOTCOUPLEDWITHTHEBARGUIDEROD,ANDTRAVELS12METERSANDINTHETHIRDSTEP,THEFEEDERCAR,COUPLEDWITHTHEBARGUIDERODAGAIN,TRAVELSONAVERAGE23METERS,TOTALINGACOURSEOF67METERSPERCYCLE3RESULTSANDD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上傳時(shí)間:2024-03-15
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