水转印技术权威版

,原材料的认识,1、胶膜（FILM）,基材PVA（聚已烯醇）,INK和网孔,INK厚度,加活化剂,胶膜三色或四色重叠处，INK膜厚变大活化后，延展性最高可达30公分,LearningMaterial,AddActivator,Ink外观主要区别可从油墨厚度来显现,油墨越厚,其膨胀时间延后,转印开始时间变迟,即下水位置拉长,可转印范围缩短,油墨包覆能力变弱,易产生针孔不良;1.ThefilmINKcanbedividedinto1C,2C,3C,4C(CmeansColor).TheAppearancescanbedistinguishedfromINKthickness.TheINKisthickorTheexpansiontimeislongorThestartingtimeoftransferwillbelate.Atthesametime,thepositionofenteringwaterwillbeprolongedandthetransferringrangwillbesmalltheabilityofINKwrappingwillbeweakened,soittakeshapepineholdeasily.2.胶膜转印的适合水温通常为30,水中PVA平均浓度应小于0.2%;Thesuitablewatertemperatureoffilmtransferringisusually30,PVAaveragedensityinwateris0.2%;,水汽Vapor,水转印基本知识,原材料的认识,LearningMaterial,水转印基本知识,胶膜所适应的温、湿度Applicationtemperatureandhumidity室温：20-25相对湿度:65-75%RHRoomTemp:20-25Relativehumidity:65-75%RH,原材料的认识,LearningMaterial,水转印基本知识,原材料的认识,活化剂功用及组成说明Functionandcompositionofactivator活化剂主要由树酯、溶剂与可塑剂组成，一般以透明色为主，易挥发Theactivatorisconsistedofresin,solventandplasticsolvent,itistransparent,volatilizeeasily.对胶膜上的INK“加湿”,易于附着(胶膜本体以干燥状态才能包装运输)Torewetfilmtoretainsatisfactoryadhesionofsubstratesandmakeitadhereeasily(Thedryfilmisconvenientforpackingandtransport)能使得胶膜在PVA入水后,图案不产生变异ToPreventdistortionofdcorwhenthePAVfilmenterintowater协助Clear渗入Toenableclearcoatpainttopenetratedownintosubstrates,LearningMaterial,水转印基本知识,设备图示说明-涂布轮1IllustrationofGravurecylinder,1.涂布轮(活化轮、处理轮)gravurecylinder,涂布轮可分为100目25、35、45、60、80、85等规格。Thestandardspecificationsofgravurecylinderare#100-25u,#100-35u,#100-60u,100-80u#100-85#100目60表示单位面积内有100个网孔，单个网孔的深度为60m。#100-60umeansthatthereare100meshinunitarea,theunitmeshis60uindepth,铁,铜质（较软，易于加工）,铬质表面网孔（硬度高，耐磨）,涂布轮剖面说明,Gravurecylindersideview,Copper(softerandeasytobeprocessed),Iren,Meshinchromesurface(harderandwearresistance,水转印基本知识,设备图示说明-涂布轮2,1.涂布轮(活化轮、处理轮)胶膜上活化剂的涂布量因涂布轮规格变化而变化，涂布轮单孔越深，胶膜上的活化剂涂布量就越大。1.gravureCylindertheactivatorcoatingweightisvariedwithdifferentspecificationsofcylinder.Deeperunitmeshweuse,themorecoutingweightvolumewillbe,注:比较值是以100目60为基准Thestandardofthespecificvalveis100m60u,背压轮(橡皮轮、轮),水转印基本知识,设备图示说明-背压轮IllustrationofDevice-Cylinder,作用：压住胶膜PVA面，便于胶膜INK部分与涂布轮充分贴合Function:PressPVAsideofthefilmsothatINKoffilmcanadherewithcylinderfully要求：表面不可有尘屑，且须充分干燥Requirement:Thesurfaceofcylindershallnothavedustandkeepdryfull-time,Cylinder,加热轮(加热滚桶)heatroller,水转印基本知识,设备图示说明-加热轮Illustrationofheatroller,加热轮平均温约在80左右，其作用是将胶膜皱折熨平，使活化剂涂布均匀Heatrollersaveragetemperatureisabout80.theheatrollercanironthefilmtomakewrinklessmoothandeasyforactivatortobecoatedwith,加热轮温度对胶膜的影响：Theinfluemeeofheatrolltemptothefilm1.温度过高,胶膜则会横向收缩Iftempertrureofheatrolleristoohigh,filmwillshrinkinwidth2.温度过低无法将胶膜的皱折熨平致涂布不均匀,使得在转印时产生皱纹Ifthetemperatureistoolow,filmwillbenotabletobecoatedwellbyactivatiorduetowrinkles,胶膜计数器filmconsumptioncounter,水转印基本知识,设备图示说明-活化机RollerCoater,脚踩刹车,对胶膜使用量的记录,紧急状况时，脚踩停止,Torecordthefilmconsumptionvolume,Brakepedal,Foremergencyandunexpectedcircumstance,平面图1TOPView1,水转印基本知识,设备图示说明-活化机Illustrationofrollercoater,Totransfertank,Filmconsumptioncounter,Heatroller,Expendingroller,Gravurecylinder,Activatorpan,Compressedairroller,Rollercoatersideview,平面图2(TOPView2),水转印基本知识,设备图示说明-转印机TransferMachine,胶膜宽度为50cm，导链宽度为78cm，因此胶膜横向膨胀率约为156%。Filmwidth50cm,guidchainwedth78cm,Thewideexpensionrateofthefilmisapproximately156%导链功用：a.带动胶膜b.管制胶膜Guidchainfuncation:a.movefilmb.Controlfilm过滤网的功用：滤去多余的PVA（因水中的PVA过多将会影响胶膜的活化时间）。FilterNetFuncation:filterexcessivePVA(excessivepVAinwaterwillinfluencefilmactivition,77cm,转印水槽深度剖面示意,TransferwaterTankdepthplane,Transfermachine-topView,Waterpump,Anti-wavebar,Circulativewater,Heatwatertank,Heatpipe,Guidechain78cm,Anti-wavebar,Filternet,风扇(鼓风机)AirBlower(anti-wrinklefan),水转印基本知识,设备图示说明-风扇1IllustrationofAirblower1,a,b,d,e,b,c,f,f,a.风扇机AirBlowerb.移动滑轮MovingBlockc.气泡调节阀开关阀AirbubblingadjustorairpipevalveThesecondaryangleisusuallydecidedbyJIG,水转印基本知识,设备图示说明-三角架TriangleConveyor,一次角与二次角PrimaryAngleandSecondaryAngle,a.若被印物如下图2进入水中，则被印物与胶膜单间在（A）位置上会包空气，使图案印不上；若如图1则空气可跑掉，但角度如太大，会使（B）点无法包覆胶膜，因此在决定角度时要考虑以上二事项。a.Thesubstratenterintowater,asshowninfollowingshart2,therewillbeairat(a)positionofbetweenSubstrateandfilm,butiftheangleistoobigthefilmcantbecoveredatBposition.Sowhenwedecidetheangle,weshallconsidertheabovetwoitems.,b.若一个盒状物体在转印时仅有一个角度，则第一接触面会产生很多针孔（气泡），因为空气无法跑掉，若有第二个角度则可避免。b.Ifaboxobjecthasonlyoneanglewhenbeingtransferred,alotofbubblingwillappearatthefisttouchsidebecausetheaircantescape,ofcourse,ifthereissecondaryangle,theproblemcanbeavoided.,（1）,（B）,（2）,（A）,胶膜Film,水转印基本知识,设备图示说明-三角架Triangleconvenyor,二次角底座secondaryangelbase,0度角底座Odegreeanglebase,15度角底座15degreeanglebase,水转印基本知识,设备图示说明-转印机控制箱Illustrationoflongerdiffusiontimeandinkdisslovetoomuch,转印机控制箱,三角架速率,活化机速率,导链速率,一次角调节开关,紧急停止开关,固定活化机速率，当导链速率增大时，油墨未完膨胀，转印产生针孔（气泡），可转印范围缩短，纹路中间部分略微变异；当导链速率变小，油墨活化时间过长，膨胀时间缩短，下水位置须提前。Fixthespeedofrollercoater;whenincreasingspeedofgusgechain,pinholedefectoccurseasilyduetoinsufficientinkdiffusion;whendecreasingthespeed,thetransferpositionhastobemovedforewardduetolongerdiffusiontimeandoverdiffusion,因胶膜纵向膨胀率约在110%左右，因此一般导链速率较三角架速率快10%，以适应纹路膨胀率。Filmexpandingrateisapproximately110%;thereforespeedofthefilmguidechainneeds10%fasterthanconveyorinordertocomplywithfilmexpendingrate,一般活化机速率与三角架速率相雷同，但根据客户对纹路的要求，会有特殊速率比例。Normallyspeedoftriangleconveyorisassameasrollercoater.Exceptionalspeedrateispossibledependingonpatterndemandedbycustomers,三角架的速率与脱膜机的速率相雷同。Speedoftriangleconveyorisalmostassameasfilmremoval&washingmachines,Filmguidechainspeed,Rollercoaterspeed,Premaryangleadjutmentswitch,Emrgencystopswitch,Triangleconveyorspeed,水转印基本知识,设备图示说明-转印机(TransferMachine),自动水位计,恒温水箱,溢水口,AutomativeWaterlevelmeter,ConstantTemperatureWaterTank,outlet,水转印基本知识,设备图示说明-转印机IllustrationofGravurecylinder,循环水过滤,限位开关,若JIG未及时取下时，触及此限位开关时，转印机将被紧急停止,Recyclewaterisfiltered,switch,ThetransfermachinewillbestoppedimmediatelywhentheunloadedJIGreachitsmaximumpositionofconveyor,水转印基本知识,设备图示说明-转印机控制箱IllustrationofConrtolpaneloftransfermachine,转印机控制箱,脱膜进口(entry),脱膜机控制箱controlboxofResidualfilmremovalmachine,脱膜机的导链间距为54.5cmThepitchofguidechainis54.5cm,水转印基本知识,设备图示说明-脱膜机IllustrationofFilmRemoval&washingDevice,纯水压力表,自来水压力表,水洗脱膜可分为A、B、C三段，A、B段自来水冲洗，C段为纯水清洗ThreestagesofwashingprocessstageAB:washingbytapwaterStageC:washingbypure