电子与太阳能成功案例doc条码扫描仪.docx
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电子与太阳能成功案例doc条码扫描仪.docx
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电子与太阳能成功案例doc条码扫描仪
希腊高速公路采用Datalogic设备以实现现代化
ThankstoDatalogic'sDS1100barcodereadersandtothesystemdevelopedbyDATALEXS.A., BusinessPartnerinGreece,inco-operationwiththesystemintegratorSingularS.A.,theGreekNationalRoads.
DATALEXS.A.,aGreekcompanyspecialisedinAIDCTechnologysince1984,wascontactedbySingularS.A.,anAthensITcompanytoprovidetheGreekmotorwaysystemwithanefficientsolutionforreadingtollroadtickets,aspartofamuchlargerprojecttomoderniseallthemotorwaysinGreece.Theprojectpresentedaseriesofchallenges:
firstofall,thehostileenvironmentintermsofpollutantsfromcarsandtrucks,extremelyhigh(+55°C)andlow(-10°C)operatingtemperatures,exposuretorainanddust,easyusebyalltheuntrainedmotoristspassingthroughthetollstationseveryday,highsystemreliability(24hrs/365daysoperation),interfaceoftworeadersperhostPCstation,easymaintenanceandatightbudget.Forthiskindofapplicationthereaderhadtobereliable,aggressiveandabletoreadthecodefromwidePitchandSkewangles.Theoverallsizehadtobesmallsothattheenclosurewouldnotprotrudefromthetollboothwallandbeliabletobehitbyprotrudingbigtruckmirrors.Furthermore,itwasnecessarytoprovidedoublewedgeinterfacecapability,asineachlanetworeadersareinstalledatdifferentheightstobeabletobereachedbybothpassengerandtruckdrivers.Datalogic'sultra-thinindustriallaserreaderDS1100wasthebestchoicetomeetsuchtoughrequirements.Moreover,thecompetitionwasnotabletoprovideacompletesolutionwhichfulfilledthespecialneedsoftheenduser.Datalogic'sDS1100readerswereinstalledatallthenon-automatedexitlanesofthemajormotorways,whichinvolvedafirstphaseofaboutonehundredreadingpoints,withaforeseenexpansionlateron.Inthis"manualmode"whereno"Telepass"or"smartcard"systemisusedbythemotorists,aticketwithabarcodeisissuedbyadirectthermalprinterateachmotorwayentrytollstation.Somemodificationshadtobeundertakentoadaptthereadertocertainrequirements,likethewedgeconnectionpossibilityandthehighandlowoperatingtemperature.AfterfittingtheDS1100-1111(standardresolution,90degreemodelwithraster)toDatalex's"GateReader"metalbox,thedoublewedgeissuewassolvedbyincorporatingaDPS8000decoderasthe"keyboardwedge"part.DPS8000isawedgedecodercapableofbeingconnectedtotworeaderssimultaneouslyandwithkeyboardemulation.Thetoughestaspecttoconsiderafterresolvingthebasiccomponentmixwastheenvironmentalaspect.Datalex'sengineersconceivedoftheuseofanelectronicdevicecalledTEC,theacronymstandingforThermoElectricCooler(andheater!
).ItwasdecidedtomountontheDS1100thissmallflatsurfacewhichcansustaintemperaturedifferencesofupto70°C,andmonitorthe"isolated"temperatureenvironmentinsidetheboxbythermalsensors.Thisensures,viatheheat/cooldissipationoftheTEC,thewellbeingofthelaserdiodeandalltheothercomponentsoftheDS1100whicharecertifiedforanoperatingtemperaturerangeof0°Cto+45°C.Theenduser,TEO(theGreekNationalMotorwaysFund)wassuccessfullyprovidedwithareliableandeffectivesolutiontotheirtollroadticketreadingproblem.ItisensuredthatallvehiclesusingtheGreekmotorways"paytheticket"andconsideringthehighvolumeofvehiclesusingtheroadson24/365basis,theresultingsavingsaresubstantial.
DS1100LASERBARCODEREADER
TheDS1100isDatalogic'sultra-thinfixed-positionscanner,thebestcost-effectivesolutionforOEMapplications.Itfeaturesverynarrowdimensionsandlightweight(lessthan100grams),aswellasDatalogic'srecognisedexcellentscanningperformance.Moreover,theDS1100isequippedwithanIP65ruggedindustrialhousing,andisalsoavailableasanembeddedmoduleforspecificapplications.Ithasahighreadrateandaccuracyevenondamagedorpoorlyprintedbarcodes.
印刷电路板制造过程的自动化和可追溯性
Datalogic’sDS2100Testarossa™barcodereaders,togetherwiththeTraceXpertsystems,makeitpossibletocontrolthecomponentsusedinPCBmanufacturewithutmostprecision.
TraceXpertisasoftwaresolutionthatoptimisescontrolprocessesandenhancesperformancelevelsintheelectronicsindustry.Customersofthissystemincludeleadingmanufacturersworld-wide,whoarelookingforabarcodereadingsystemtoautomatetheassemblyprocessofelectroniccomponentsforPCBs,andtoquicklyandreliablycheckandtracethedifferentcomponentsduringtheproductionprocess.
Suchapplicationsrequirereadersabletoworkindemandingindustrialenvironmentswithhighdecodingandtransmissioncapability,aswellasgreatflexibilitytoletthesolutionbeadaptedtotheparticularneedsofthesoftware.Tosatisfytheserequirements,acombinationofDatalogic'sDragonâ„¢handheldbarcodereadersandDS2100Testarossa,fixed-positionlaserbarcodereadersarethebestsolution.
Barcodesareusedfromtheverybeginningofthemanufacturingprocess,whencomponentsenterthefactory,asthegoodsarerecordedandidentifiedthroughthem.Withbarcodes,thedifferentphasesoftheoperatingprocessarequickerandcanbeaccuratelymonitored.
AutomaticProgrammeSelectionfordownloadingandchangingprogrammes
WhenthePCBreachesthefirstTestarossabarcodereaderontheline,thecorrespondingprogrammesaredownloadedtoeachmachine.Real-timeFeederChecktoautomaticallycheckthattherightcomponentshavebeenloadedonthemachine.
Eachfeederislabelledwithabarcodetoidentifyitwhichcontainsinformationsuchastapewidth,reeldiameter,machinetype,etc.Eachtimeanewreelisputonafeeder,thefeederbarcodeisautomaticallyreadbytheTestarossa,readersatthekittingstationandtheoperatorsimplyhastoreadthereelbarcodewiththeDragonâ„¢toensureitisasuitablefeederforthiscomponent.
Thefeedersarereadduringeverypick-upontheCPmachines.Thecomputerthenconsultsthedatabasetoseewhichreelisonthisfeeder.Thefeederslotpositionisidentifiedatthesametimeandacheckiscarriedouttoensurethatitistherightcomponentforthefeederslotnumberforthisprogramme.Ifitisnottherightcomponentthemachinestopsimmediately.Thisalsomeansthatitisunnecessarytocheckthecomponentsduringafeederset-up,reducingchangeovertimeconsiderably,andmakingitpossibletosetup70feedersinaboutoneminute.
StockControlSystemtotracetheamountofcomponentscontainedoneachcomponentreelanditslocation.
Theserialnumberonthebarcodeenablesthesystemtotracetheamountofcomponentscontainedoneachcomponentreel,aswellasitslocationinthefactory.EachtimeaPCBisfinished,thedatabaseupdatesthelocationoffeederandreel.Pick-uperrorsandrejectedcomponentsarecountedautomatically.
Traceability
Ifsomethinggoeswrong,itsorigincanbetracedandtheboardslocatedthatshouldbecheckedormodified.ThesystemprovidesfulltraceabilityforPCBs,componentsandoperators.Traceabilityworkswiththehelpoftheserialnumberoneachreel.Relateddata,suchassupplier,lotnumberandnumberofcomponentsmustbeavailable.Duringproduction,allrelevantdatasuchasproductiontimeoneachmachine,theoperatorsinvolved,andthecomponentsincludedisupdatedonthedatabaseforeachPCB.
FeederMaintenance
Eachfeederislabelledwithabarcodeserialnumberandthekeyinformationforeachfeederisstoredinthedatabase.Thiswaynotonlythelocationofeachfeederisupdatedcontinuously,butthenumberofplacedandrejectedcomponentsisalsocontinuouslyupdated.Whenafeederrunsemptyonamachine,anautomaticcheckiscarriedouttodeterminewhetheritisreadyformaintenance.
WiththeuseofbarcodesandDatalogic'sreaders,averyefficientdatacollectionandcheckingsystemscanbecarriedout,aseachsinglecomponentoftheboardsproducedisidentifiedandcheckedduringtheproductionprocess.Thisleadstoaqualityenhancement,anoptimisationofthecomponentstocksandadecreaseincycletime,errorsandobviouslycosts.
DS2100Testarossa
Anultra-compactlaserbarcodereaderwhichoffersexcellentreadingperformance(800scan/sec),extremelyhighreliabilityandeaseofinstallationinanyoperatingcondition.Reliablerealtimedecodingisassuredbydualprocessorarchitecture.Itistotallyimmunetoambientlightthankstohigh-frequencylaserlightmodulation.
DragonTM
Anindustrialhand-heldlaserbarcodereadercharacterisedbyruggedness,reliabilityanddurability.Allmodelsareequippedwithbi-directionallicense-freeradiofrequencycommunicationtothehostbymeansofabasestation.Theycantransmitthecodereadandreceiveacknowledgementofcorrectreadinginrealtime.
磁盘驱动器制造商采用RFID技术的生产线,实现不断地发展。
Theworld’sdiskdrivemanufacturersarepositionedattheheartoftoday'sinformation-centricworld.Throughouttheirhistory,diskdrivemanufacturershavesuccessfullyreliedonastrategyofownershipandverticalintegrationofkeyunderlyingtechnologies. Inthelastseveralyears,leadingHDDmanufacturershaveusedRFIDsystemstogaincompetitiveadvantageintheirHGAandmediamanufacturingprocesses.
Inordertorespondquicklyandintelligentlytotherapidchangesintheindustryandtodelivernewstorageproductsrapidlytoaprice-sensitiveconsumermarket,diskdrivemanufacturersarealwayslookingtooptimizetheirmanufacturingoperationsandgainvisibilityintotheinternalsupplychainoftentoachieveSixSigmaproficiencywithinmanufacturing.Thisvisibilityadditionallyaffordsanimprovementincurrent
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