新涂布机培训资料(英文版).ppt

GLCoaterTrainingSeaDragonPM4,-2005,ATechnologicalpartBTechnicalcomponentsCOperationDMaintenanceESafety,TaskofGLCoater,Uniformapplicationoffluidinorderto:,Improveprintability改善印刷质量Improveopacityandgloss提高透明度和光泽度Preventcurlinganddusting防止卷曲和除尘,Pigmentingandcoating,Applicationprinciple,1backingroll(背辊)2rollapplicatorunit(辊式涂布装置)3framing(机架)4returnsystem(回流系统)5meteringbeam(刮刀梁),Applicationprinciple,Meteringelements,Contourcoat涂层轮廓,withmeteringrod,Bladecoat,Stiff/BentBlade(硬/软刮刀),Meteringrod(计量棒),DesignData,GLCOATERSTATIONControlfunctionhydraulicwithrollapplicationsystem.Thecoatercanbeusedwithrodorblade.,DesignData,DesignData,Webwidth5650mmMax.operationspeed620m/minDesignspeed700m/min,DesignData,CoatingmachineDrynessbeforecoatingmachine93%Drynessatreel93%Coatingweight12g/mSolidcontent60%Coatingcolourviscositiy3502000cps(100rpm,#4Spindle,35C)Coatingmeteringtyperod/StiffbladeCoatingdryingtypeAirDryers(customersprovision)CoatingweightcontrolCDmanualMDautomatic,DesignData,ApplicatorrollDiameter450mmFace5.860mmCoverthickness20mmCovermaterialrubberMagnaSizeCoverhardness25P&JBodyandjournalsofsteel,capsofcastiron.,DesignData,BackingrollDiameter1.000mmFace5.850mmCoverthickness25mmCovermaterialrubber,TopcoatCoverhardness70P&JBodyandweldedonjournalofsteel,ATechnologicalpartBTechnicalcomponentsCOperationDMaintenanceESafety,GLCoater,machineshopassembly,1backingroll(背辊)2ropepulleysegment(引纸绳滑轮组)3Rope(引纸绳),Backingroll,Applicatorroll,1colorpan(颜料盘)2colordistributionpipe(颜料分配管)3applicatorroll(涂布辊),Applicatorrollspeedapprox.20%ofbackingrollspeed.(涂布辊的速度大约为背辊速度的20%),Applicatorrollswivelling,1rollerapplicatorunit(辊式涂布装置)2hydrauliccylinder(液压缸)3pivotbearing(旋转轴承),Applicatorrollswivelling,Applicatorrollgap,1screwjackelement(螺旋千斤顶)2handwheelwithpositionindicator(操纵轮和位置指示器)3limitstop(限位器)4Stand(支架),1Handwheel(操纵轮)2spacerunit(定位架)3limitstop(限位器),A=0,5-0,8mm,Applicatorrollgap,Applicatorrollgap,Framing,1backingrollbearing(背辊轴承)2stand(支架)3meteringbeambearingarm(刮刀梁的轴承座)4pivotbearing(传动轴承),Colorpan,1applicationzone(施涂区)2colordistributionpipe(颜料分配管)3coolingduct(冷却剂导管)4Header(总管)5colorpan(颜料盘),Colordistributionpipe,1inlet(入口)2exitholes(出口)3Header(总管)4bypassholes(旁通孔),Colordistributionpipeswivelling,1hydrauliccylinder(液压缸)2colorpan(颜料盘)3colordistributionpipe(颜料分配管),1colordistributionpipe(颜料分配管)2hydrauliccylinder(液压缸)3colorpan(颜料盘),Colordistributionpipeswivelling,Colordistributionpipeswivelling,1sealingstrip(密封条)colordistributionpipe(颜料分配管)3applicationroll(涂布辊),A=1mm,Colordistributionpipeseal,1seal(密封条)2colordistributionpipe(颜料分配管)3clampingstrip(夹紧条)4applicatorroll(涂布辊)5fasteningscrew(螺栓),Splashguard,5mm,Edgedoctor,1holderwithclamp2doctorblade3applicatorroll,Edgedoctor,1paperweb2backingroll3doctorblade4holder5clamp,Edgedoctor,Mindthatthecolorwillflowoutwardsaftertheedgedoctor,Edgedoctor,Edgedoctor,Meteringbeam,1spacerunit2crossmember3hydrauliccylinder4deviceforadjustingmeteringbeamangle5bearingarm6meteringbeambearingarm7bladeholder,Meteringbeam,1intermediateflange2gearcamlimitswitch3screwjackelement4servomotor5guard6angleencoder7motorflange,Stiffblade,1paperweb2loadingblade3press-onhose,Stiffblade,1bladeguard2pressingstrip3press-onhose4coatingblade,Stiffblade,Standardstiffbladetypes:,Stiffblade,Bentblade,Bentblade,Bentblade,Chooseabladeangleandcalculatethemeteringbeamangle,Bladeangle,Meteringbeamangle,Bentblade,Example:Bladeloading-6,0mmDeflectionangle22,5W3=22,5+W2,1pressingstrip2press-onhose3meteringrod4metering-rodbed5blade,Rollflex,Rollflex,Meteringroddrive,1meteringrodwithquickcoupling2coverhood3motorwithgearbox4driveshaft5moveabledriveshaft,Meteringroddrive,GL-CoaterBladeclamping,closed,open,Profilingspindles,1profilingspindle2bladeguard3coatingblade4press-onhose5pressingstrip6clampinghose7supportingstrip,ForRollflex,Basicalignment/adjustementofpressingstrip,Forstiffbaldeandbentblade,Meteringbeamswivelling,Meteringbeamswivelling,Meteringbeamoperatingposition,1screwjackelement2handwheelwithpositionindicator3bracket4pivotbearing5meteringbeambearingarm6thrustpiece,Gaugeforrollflex,A=1,0mm,Meteringbeamoperatingposition,1gauge2profilingspindle3pressingstrip,Gaugeforstiffbladeandbentblade,A=sheetthickness,e.g.0,4mm,Meteringbeamoperatingposition,1gauge2profilingspindle3pressingstrip,PartsforadjustingthegabbetweenApplicatorbeamandBackroll,FS,Remark:Afterrollchangethedistancedevicemustturnedoutcomplete,Remark:Theadjustingblademustbeattachedeach300-500mmofoutside.Guaranteeingthattheadjustingbladefitcorrectly.,Remark:Turningthehandwheelcounterclockwise.Thefeelermustmoveeasybetweenrollandadjustingblade.Carryingoutthisprocedureatbothside(FSandDS).,Remark:Takeouttheindicatorandsetthezerposition(0000,00“).-Inordertoavoidanotwantedchange,theshaftshouldbestuck.,Bladeangleadjustingunit,Colorreturnsystem,1strainerinsert(filter)2returnline3colorpan4returnplate(watercooled),Colorreturnsystem,Colorreturnflowfrommeteringelementatreturnplate,Colorreturnsystem,Coloroverflowatbacksideofcolordistributionpipe,Coating,Sizing,Backingrolledgespray,1paperweb2coatingapplication3edgespray,Edgespray,Backingrolledgespray,Backingrollshower(forcleaningonly),1cleaningspraypipe2applicationroll3backingroll,Meteringbeamheatingsystem,Keepingmeteringbeamatconstanttemperaturetopreventunequalcrowningduetothermalstress(friction,temperatureofapplicationfluid).Heatingofmeteringbeambeforestartup.Smallheating/watercirculationduringoperation.,ATechnologicalpartBTechnicalcomponentsCOperationDMaintenanceESafety,Rollflex,Stiffblade,Bentblade,Howtochangethecoatweight,Localcontrolpanels,Operatingmodes,StartSequence,1)Setoperatingmodes:operation“+automatic“+coating“+e.gstiffblade“2)Setcoaterparameters:bladeloadmm,press-onhosepressurebar,meteringbeamangle3)Coatingcolorsupplylowcirculation4)Threadingcoatersection5)Coatingcolorsupplyuppercirculation6)StartSequenceCoater7)Adjustedgedecklesandedgesprays,AutomaticstartsequenceGLCoater,Stopsequence,1)StopsequenceCoaterCleaningChangingofdistributiondevice,AutomaticstopsequenceGLCoater,Webbreakprocedure,1)Webbreaksignalwebcut-offaheadofCoater2)Stopcoatingsequenceactivatedautomatically3)Cleaning,Photocells,Photocellforpaperwebdetection,Knock-offdevice,Checksduringoperation,Checkcolorlayeronpaper:Loworhighgloss?(loworhighcoatweight)Checkcolorlayeronpaper:Equalcoverageorstripes?Checkapplicationwidth:SetedgedoctorpositionCheckifthereissufficientreturnflowfrommeteringelement,Checksduringoperation,Checkpaperglossaftercoater,Checksduringoperation,Adjustedgedeckleposition,ATechnologicalpartBTechnicalcomponentsCOperationDMaintenanceESafety,Cleaning,Cleaning,Colorresiduesincolordistributionpipe,Cleaning,Cleaning,Neverusesharpobjectstocleanthebackingroll!,Whentoreplacewearparts?,Meteringelements(blade,rollflex),Applicationquantitycannotbereducedanymore(bladewornout)Applicationfault(bladescratches,meteringrodwornout)Productchange,i.e.changeofapplicationrateOtherreasons,e.g.aftereverywebbreak,Whentoreplacewearparts?,Damagedmeteringrod,Wornoutblades,Whentoreplacewearparts?,Edgedoctor,Doctorbladewornout.DANGER:Themetalsupportblademustnotscratchontheapplicatorrollsurface!,Edgedoctorbladechange,Replacingarollflexunit,Importantitems:Carryrollflexwith2-3peopleCheckifanoldmeteringrodcanbere-usedMakerecords,attachalabeltooldrod,Assemblyofnewrollflexunit,1aligningaid2blademeteringrodbed4meteringrod5woodenstrip,Assemblyofnewrollflexunit,Assemblyofnewrollflexunit,Assemblyofnewrollflexunit,1meteringrod2quick-releasecoupling,3driver4driveshaft,Replacingastiffbladeorbentblade,1)Presscoatingstop“buttonmeteringbeamwillswiveltostandbyposition.2)Pressunclamp“buttonclampinghosewillde-aerate3)Takeoutoldbladeandinstallnewblade4)Pressclamp“button5)Presscoatingstart“button,Preparerollchange,1.Swivelmeteringbeam,applicatorroll,andcolordistributionpipetocleaningposition.2.Switchoffdrivesandsafeguardagainstrestarting.3.Disconnectpneumaticandhydraulicsupplyandlubrication.4.Dismountdriveshaftcoupling.,Rollchange,Rollchange,Adjustmentsafterrollchange,SetoperatingpositionmeteringbeamSetoperatingpositionapplicatorrollSetsplashguardSetsealinggap(onlyapplicatorrollchange),Rollchange,Replacinghydrauliccylinder,Preparecylinderchange,1.Stophydraulicunitandcloseshutoffvalves.2.Drainhydrauliccylinder.3.Suspendmeteringbeamwithliftinggeartocoatersectionframing.4.Removehydrauliccylinder.,Replacinghydrauliccylinder,1pivotpin2cover3hydrauliccylinder4bearingpin5bellows6bearingarm7meteringbeam8shackle9liftingaid,Replacinghydrauliccylinder,1blockandtackle2rope3pivotpin4cover5hydrauliccylinder6pivotpin7colorpan,Replacinghydrauliccylinder,Adjustmentsaftercylinderchange,Swivelmeteringbeamwhilede-aeratingcylinder.SetoperatingpositionapplicatorrollSetoperatingpositionmeteringbeam,Replacingclampingandpress-onhose,Preparehosechange,1Pressunclamp“button.2Removetubeholderandsideshields.3Pulloldhoseoutofgroove.4Trimnewhoseandgrindclean.5Usesoapsudtofacilitatedrawingthenewhoseintothegroove.,Replacingclampingandpress-onhose,1press-onhose2pressingstrip3hoseclip4connectionnipple5pneumaticairconnection6holder7clampingscrew8sideshield9meteringbeam10profilingspindle,Press-onhose,Replacingclampingandpress-onhose,1clampinghose2meteringbeam3hoseclip4connectionnipple5pneumaticairconnection6clampingscrew7sideshield,Clampinghose,Replacingscrewjackelements,Preparescrewjackelementchange,1Removehandwheelandpositionindicator.2Removecoverwithholderandclamp.3Securescrewjackelementwithrope.4Removescrewjackelement.,Replacingscrewjackelements,1screwjackelement2handwheel3bracket4clamp,Replacingscrewjackelements,1screwjackelement2handwheelcover4holderwithclamp5framing,Replacingscrewjackelements,Adjustmentsafterscrewjackelementchange,Seto