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1、DesignofMovableGantryCNCMillingMachineZHANGJianAbstract:thispaperdescribesthencmillingroller,theoveralldesignandanalysesthebilateralsuper-modulusgearpairofdrivingmechanismofthemainpointsofdesign,installationguidesurfaceoftheXaxisisintroducedinthispaperKeywords:mobilenc
2、millingdesignThismachineismainlyusedformetalpartsoftheplaneandinclinedplanework.Ithasenoughrigidity,MillingheadadoptsmillingheadinTaiwan,Millingheadwithflexible,Spindlemotorisfrequencyconversionmotor.Itcanundertakesteplessspeed,Ensureaccuracyofmachinetoolsandmachiningp
3、recisionhasgoodstability,Thismachineisofhighefficiencyandexercise,Forconvenience,makethedrivemorereliableandconvenientinmaintenance,lessconsumption,beautifulmodelling,etc,widelyusedinmechanicalmanufacturingindustry.ThispaperdescribedthemobileCNCmillingreferstolongmenfr
4、ameworkVerticalmillingmovement.Thebiggestadvantageofmillingrolleris(1)Machinecoveranareaofanareasmall.WorkbenchmobileLongmenmillingmachine,completemachinemustbehigherthanverticalstrokelengthtwotimes.However,WorkbenchmobileLongmenmillingmachine,Thelengthofsideframewhich
5、isfabricatedaccordingtoaddonlylongitudinaltravelwidth,Thedynamicresponseofthemachineisgood.WorkbenchmobileLongmenmillingmachineadoptsfixedtable.Thewholecastoutwithbed,LongmenframeworkoflongitudinalmotionDrivetorqueequivalentunchanged,Itisnotbecauseofbearingtheweightoft
6、heworkpiecechangesChange,soastoensuretheaccuracyandperformanceofthemachinetool.TheindependentdesignmobilencLongmenmilling（FIG1）hasbeenaspecialmachinetouse.Itcansatisfythelargecastings,steelpartsboringandmilling,drilling,etcmultipleoperationprocess.Itisrightmillinghead,
7、Italsocanprocessthe4sideofworkpiece.ThegoalofthemaindesignparameterssuchasLongmenmillingunder:workbencharea1800mm×4000mm,ThetravelforXaxis:4000mmThetravelforYaxis:2000mmThetravelforZaxis:750mm,Spindlepower18.5KW,Eachaxisrapidfederate10m/min.Figure1Mobilencmilling1.Mech
8、anicalpartsdesignThebedincludeBed,Slide,Longmenframespindlebox,ThreeaxistodrivemechanicalpartsandrelatedCNCservopart,
