SFL TRAINING HANDBOOK OPERATORWord格式.docx
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SFL TRAINING HANDBOOK OPERATORWord格式.docx
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ThepresentmanualisnotanUseandMaintenanceManualanditcan’ttaketheplaceoftheabovementionedonewhichhasalwaystobetheofficialreference.
Thismanualcan’ttaketheplaceoftechnicalskillwhichoperatorsandmaintenanceworkersmustpreviouslyhavegainedonsimilardevicesorwhichtheywillbeabletoachieveundertheguideofalreadytrainedpersonnel.
ReferencesandcontactsSIPAPlasticPackagingSystemViaCadutidelLavoro,3
31029VittorioVeneto(TV)-Italia
Telefono+39-0438-91.15.11
Telefax+39-0438-91.22.73
E-mail:
sipa@
Website:
http:
//www.sipa.it
INTRODUCTION
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TRAINING
PAGEINTENTIONALLYLEFTBLANK
Page2of2
INDEX
1.AUXILIARIES
2.SYSTEMS
3.ALARMS
4.ELECTRICLAYOUT
5.ELECTRICAXES
6.MANUALCOMMANDS
7.VIDEOPAGES
8.MACHINESTART-UPANDSTOPPAGEPROCEDURES
9.OPERATIVECOMMANDS
10.SAFETIES
11.MOULDANDCUSTOMIZATIONCHANGEOVER
12.SCHEDULEDMAINTENANCE
13.PETANDPREFORMS
14.PROCESS
15.PROCESSTROUBLESHOOTING
16.QUALITYTESTS
TERMINOLOGYANDGLOSSARY
ARS
AirRecoverySystem.Pneumaticsystem(underrequest)forhighpressureairrecovery.Therecoveredairissenttoatankandusedforothersupplies.
AUTHORIZEDPERSONNEL
Theperson(s)authorizedbySIPAS.p.A.tocarryoutparticularoperationsthatarenotallowedtotheoperatorortothemaintenanceworker.SuchpersonnelismarkedinthismanualwiththeabbreviationL3.
AUXILIARYDEVICES
Allthosecomponentswhichareinternaltothemachineandarepoweredby
24V
AUXILIARYSYSTEMS
Allthosedeviceswhichareexternalandconnectedtothemachineforassistingcorrectoperationofit(conditioners,chiller,heatregulators,compressors…)
AXESCONTROLCARD
Hardwarecard(orsoftwareemulated)thatallowstocontrolthespeedandthepositionofanelectricaxisperformingthefunctionsofstepbysteppositioning,electricaxis,synchronizationandprofilemanagement.
BRUSHLESSMOTOR
Abrushlessmotorisanelectricmotorwithpermanentmagnets.Unlikeamotorwithbrushes,itdoesn’tneedelectricslidingcontactsonthecommutatortowork.Infact,thecommutationbetweenthestatorandtherotordoesn’toccurmechanicallybymeansofcontacts,butelectronically.Thisimpliesalowermechanicalfriction,eliminationofsparksathighrotationspeeds,andreducingofthewearandthereforetheneedofperiodicmaintenance.
CHILLER
Alsocalledcooler.ExternalauxiliarysystemwiththefunctiontosupplycoldwatertotheSFLmachine.
COMPRESSOR
Externalauxiliarysystemwiththefunctiontosupplycompressedairtothe
SFLmachine.
CYCLETIME
Timethatoccursbetweentwoidenticalandsuccessiveproductivephasesofthemachine(ex.Thetimebetweentwoconsecutivepressclosures).
DREN
Enablingsignal(DRiveENable)sentbythePCtothedevice.
DRIVE
Controlsystem,foraDCorACmotorthatallowstodrivethetorque.Adrivesystemisadevicecomposedbyacontrolstageandapowerstage(withtheloadappended)abletocontrolthemovementofthemotoraxis.
DROK
Consentsignal(DRiveOK)sentbythedevicetothePC
ELECTRICALAXIS
Movementofamechanicaldevicebymeansofanelectricmotor(inthecase
ofSFLmachineitisabrushlessmotor)alongadirectionwherethepositionandthespeedarecontrolled.
ENCODER
Digitalelectro-mechanicaltransducerusedtoconvertthenumberofrevolutionsandthereforetheangularpositionofashaftoraxletoinnumericelectricsignals(digitalcode).
Therearetwomaintypesofencoder:
absolute;
andrelative(or
incremental).
Intheabsoluteencodertheelectricoutputsignalscodetheexactinstantpositionoftheshaftsothatineverymomentaproperdecodingcircuitcandecodeanddisplaytheangularpositionoftheaxis.Thedatareferringto
TERMINOLOGYANDGLOSSARY
Page1of4
theaxismovement(direction,speedandacceleration)arededucedandcalculatedbytheprocessingofitsabsolutepositionintime.
Intherelativeencodertheelectricoutputsignalsareproportionaltotherotorshift;
simplecircuitscanprocessanddisplaythespeedandaccelerationfortheaxisbutnottheinstantposition.Theabsoluteposition
oftheshaftcanbededucedkeepingaconstantcountingoftheelectricoutputsignals,subjecttoastartingoperationofreferenceresearch,which
isperformedeverystrokeendbymeansofaproperpulse.
Thereferenceresearchisanoperationforwhichthecontrollermovestheshaftsoastoreadareferencesignal(generatedbytheencoderself,orbyanexternalsource)thatidentifythepositionconsideredasthe"
zero"
oftheaxis.Inthisreferencepointthecountersarezeroedandhencetheposition
oftherotorisknownthankstothecontinuedupdatingoftheshiftinrespect
ofthis"
.Incaseofelectricsignalabsence,suchreferenceislostandthesystemmustrotateuntilfindingoutagainitsstroke-endinordertodecidetheexactpointwhereitwas.
EVPORATIVETOWER
Auxiliarymachinewiththefunctiontocooldownthecompressedairthatheatsupduringthecompressionasthecompressorcylinders.
HMI
HumanMachineInterface.Interfacebetweenthemachineandtheoperator.
INVERTER
Aninverterisanelectronicdeviceabletoconvertdirectcurrentinalternatingcurrentalsoatadifferentvoltage,eitheranalternatingcurrentinanotheronewithdifferentfrequency.Inasynchronousmotorsandaboveall
insynchronousones,therotationspeedisdirectlyboundtothepowersupplyfrequency.Wheneveritisrequestedtochangethespeedofthemotor,theinvertersAC-ACareused.Inthiswaythefrequencyischangedatwillwithinasetrangewithoutchangingtheoutputvoltagethatremainsequal
totheinputvoltage.
MAINTENANCEWORKER
Seespecializedpersonnel.
MODULE
Electronicunitwithcontrollogicwiththefunctionofshuntingthesignalsto/fromtheactuators/sensors
NODE
Everycommunicationpointalongtheseriallineandidentifiedbyanaddress.
OCTABIN
Octagonalcardboardcontainergenerallyusedforcontainingpreforms.
OPERATOR
Theoperatorisunderstoodtobeapersonauthorizedbytheplantsafetymanagertooperatethemachine,includingthejobofrecognizinganypotentialdangertohimselfandothersandavoidingtheassociatedrisks.Theauthorizationtorunoneormoremachinesisnormallygivenaftertheoperator'
scapabilitieshavebeenproven,derivingfromtraining(experienceandinstruction).InthismanualtheOperatorismarkedwiththeabbreviationL1.
OVERSTROKE
Microswitchsensorwiththefunctionofinterruptingamovementofanactuator(cuttingoffthesupply)incaseofrunoutofthefixedconfines.
PET
PolyEthyleneTerephthalate.Semi-crystallinegranularresinusedformakingpreformsbymeansoftheworkingstations.
PLCeSOFTPLC
ProgrammableLogicController.Operativeunitofthemachinegoverningallprocessphases,receivingandimplementingsettings,controllingallcyclephasesandsendingalarmsrelatedtoanomalies.
Innewestmachine(alsothisone)aPLCsoftwareemulationisusedachievedbytheinstalledPC.
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PREFORM
Apreformisunderstoodtobethesemi-finishedPETproduct,normallycylindricalinshape,withthecolletandringnutforscrewingthecaponalreadyformed,fromwhich,withadditionalmachineprocessphases,thefinishedproductisobtained.
PROFIBUS
PROcessFIeldBUS.Itisatypeofbidirectionalserialprotocolrealizedbyatwistedpairutilizedforthecommunicationbetweenamaster(PC)andtheslaveunits(nodes).
PROFILE
Paththatineverypointhasaknownpositionandspeedandthatdescribesqualitativelyandquantitativelythetrajectorythatanactuatormustfollow.
PROXIMITYSWITCH
Thesesensorsareabletodetectthepresenceofobjectsintheverycloseareaofthesensitivesideofthesensorwithoutaphysicalcontact.
PT100
Sensorforabsolutetemperaturemeasurement.
RECIPES
Thesetofparameterswhichcontributetoproducingacertainbottle.
RESOLVER
Analogictransducerofrotaryelectrictransformertype,usedtomeasurethedegreesofrevolutions.Typicallymountedonbrushlessmotors.
SENSOR
Asensorisatypeoftransducer.Itisadevicewhichconvertsthephysicalquantitytobeacquiredinasignaltypicallyelectric.Sensorscanprovideeitheradirectindication(forexampleamercurythermometer)orbepairedwithanindicator(forinstanceinindirect
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