PNENUMATICHE PRESSES.docx
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PNENUMATICHE PRESSES.docx
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PNENUMATICHEPRESSES
PNENUMATICHEPRESSES
VACUUMSYSTEM
VacuumPresses
OperatingandMaintenanceManual
CHAPTER1
GENERALINFORMATION
6.1PurposeoftheOperatingandMaintenanceManual
ThisManualreferstopressesoftheVSseriesmodel35,50,80,110,150,250,360,405andrepresentsausefulguidetocorrectandsafeuseofthemachineaswellasanappropriatesetofmaintenancegroundrules.
Inordertolearnquicklyhowtooperatethepress,itisnecessarytoreadcarefullythisOperatingandMaintenanceManualfromtheveryfirsttimethemachineisbeingcommissioned.
Thesmoothrunningoftheequipmentdependsonadutifulandefficientdegreeofmaintenanceandcleaning.
Athoroughknowledgeofmaintenanceandcleaningproceduresisthereforeessential,particularlyduringthetimeofstorage,attheendofeachwinemakingseason.
Obviouslyalloperatinginstructionsandprocessingmethodsarebasedontheoreticalknowledge;onlybymeansofactualpracticeandexperience,willtheprocessingtechniquesimproveandmaximumuseofthepresspotentialsbeachieved.
Thisinstructionbookletshowseverystart-upandshut-offoperationandallelsethatisrequiredforthesmoothandsafefunctioningofthepress;onemustneverforgetthattheoperator'sexperienceisthebestguaranteeofthepress'shighestperformance.
Themachineismanufacturedinaccordancewithallsafetystandards(whichwedeemrelevant)providedbyrulesandregulationscurrentlyapplicable;wemaintain,however,thatacarefulreadingofthismanualtogetherwithconstantandaccuratecleaningandmaintenancewillensurethehighestformofsafetyforboththeoperatorandeveryotherperson.
Precautionishoweverthesoundestformofdefenseagainsthazards.
Althoughsomeofthetablesordiagrams,withinthismanual,mayshowpartsordetailsthatslightlydifferfromtheactualequipment,theirbasicinformationstillapplies.
Becauseofmodificationsthatareconstantlybeingmade,theequipmentmightpresentsomevariationsnotindicatedintheManual.Possiblemodificationswillappear,accordingtospecificrequirements,inthenextissuesofthisManual.
SipremInternationaldeclineanyresponsibilityforanydamagecausedbyimproperuseofthemachine.Theymoreoverwillprosecutewhoevermakesmodificationstothemachines,withoutthemanufacturer’swrittenapproval.
6.2PressIdentificationPlate
ThisManualreferstovariousmodelsoftheVSseries.Alldataneededtoclearlyandunequivocallyidentifythetype,model,serialnumber,specificationandECmarkarcengravedonaplate(FigI.I)whichisfixedontheoutersideofthefrontpostofthemachine'sframe.
6.3Pressmanufacturer
CHAPTER2
Safetystandard
ThissymbolwillappearinthetextofthisManualwhenevertheinstructionsthereincontainedthatwillnotbefollowedorthatwillbewronglyinterpretedmaycausehazardfortheindividual.
Itisthereforeessentialandmandatory:
•Tocarefullyreadalldangerwarningsandtakecareofallworksafetystandardsissuedbythesingleauthoritiesofeachcountry.
•Totrainthepressoperatorandinformhimonthemachinefunctioning,beforeallowinghimtoworkindependently.
•Tokeepallunauthorizedpersonsoffthemachinesafetyareaandparticularlytomakesurethatchildrenbeoutofbounds.
•Tokeepthecontrolpanelalwayscleanandthesafetydevicesinefficientorder.
•Tokeeppartsandsurfacesthatcomeintocontactwithfoodstuffalwaysclean,andtoalwaysfollowonlythoseinstructionsprovidedinChapter7ofthepresentManual.
•Toalwayscarryoutinspections,checksandscheduledmaintenanceasprovidedinthismanual.
•Toalwayswearsuitableworkingclothesor,atanyrate,nevertowearclothesthathanglooseandtomakeuseofindividualprotectiongear(cutresistantglovesandmasks).
•TocarefullyreadthepresentManual,beforestartingthemachine.
•Topush,foralleventualities,theemergencyshutdownpush-button:
themachinewouldthenautomaticallyandimmediatelystop.
•Nottoremove,foranyreason,anystickergluedonthemachine,andifandwhenworn-out,tohavethemreplaced.
CHAPTER3
SPECIFICATIONANDTECHNICALDATA
3.1.Generaldescription
TheVSpressisavacuumpneumaticpress,conceived,designedandmanufacturedtoextractmustfromgrapes,bycreatingadepressioninsidethetank.
Thisallowsthemustextractiontobeoptimizedwithhighqualityresultsstillmaintainingaproductionratethatequalstheratecorrespondingpneumaticpresses.
Itisabsolutelyforbiddentousethemachinewithmaterialsotherthanthoseabovementioned,exceptwiththemanufacturer’swrittenapproval.
ThepressconsistsofanAISI304stainlesssteeltank,rotatingonitsaxis.Andframe-constrainedbysupportswiththeirbushings.
TheVS35andVS50framesaremadeofAISI304stainlesssteel,whilethehigherstandard-versionframeismadeofpaintedsteel.
TheloadingandunloadingdoorismadeofreinforcedA1SI304stainlesssteel.Inallthemodelsthedoorisautomaticallyoperatedbyapneumaticsystem.
Thesealconsistsofapneumaticgasketmadeofnon-toxicfood-compatiblematerial.
ThemustdrainageisperformedthroughanAlS1304stainless-steelperforateddrainsurfaceinstalledinsidethepress,thedrainagesurfaceishalfthetanksurface.
Optionaldrainagechannels,madeofAISI304stainlesssteel,withatrapezoidcross-section,mayalsobeinstalled.
Thepressisequippedwithamanualwashingsystemtowasheithertheperforateddrainsurfaceorthechannels.Suchasystemusesthevalvesonthetopofthetankandawaternozzle.
Anautomaticwashingsystemmaybeusedasanalternative,whichbyusingthemachinesystem,willwashandsanitizeallthepartscomingintocontactwithfood.
Allthepressescomewithafiberglasssafetycasingandemergencystopcables.IntheVS405modelallthecasingsaremadeofAISI304stainlesssteel.
Thepressingmembraneismadeofnylon,fullycoatedwithanon-toxicfood-compatiblematerial.Theheat-sealingfabricallowspossiblerepairs.
Inallthemodels,theloadingcanbeperformedthroughthepneumaticdooraswellasthroughtheautomaticpneumaticaxialvalve;thefillingleveliscontrolledbyaloadingpressureswitch.
Themustisextractedfromthetankthroughthedrainingsurfaceandthendirectedintoanoutsidemust-collectingtank,madeofAISI304stainlesssteel.Thistankcomeswithaninspectionholeforinternalinspectionandacoverthatcanbeopenedformaintenance.Iiisalsoequippedwithamagneticlevelprobeandwithvibrationprobestocontroltheextractionpump,whichcomeswiththepress.Thevacuumpumpandtheblower,neededtomakethevacuum,areconnectedwithit.
Allthemachinecontrols,thepneumaticsystem,theelectricalsystemandthehardwareareinsideapanel,madeofAISI304stainlesssteelwithwaterproofgaskets,installedonthefrontofthemachine.
ThemachinecontrolsarefullymanagedbyaPLC,whichassuresthestorageofthedifferentstagesalsointheeventofablackout.Thecontrolsmanagedmanuallytoo.
Themachinefeaturesanintelligentprogramthatcanoptimizethemachineperformanceaccordingtotheactualquantityofextractedmust.
3.2.Descriptionofmaincomponents
1.Reverseflowvalve
2.Loading/unloadingdoor
3.Axialloadingvalve
4.Tank
5.Membrane
6.Drivemotor
7.Frame
8.Controlpanel
9.Blower
10.Vacuumpump
11.Mustpump
12.Mustlevelindicator
13.Inspectiondoor
14.Mustcollectingtank
3.4Commanddescriptions
Figures3.4and3.5showthelocationofthecommandsontheelectricalcontrolpanelsforpressmodelsVS35-50andVS80-110-150-250-360-405respectively,withtheirdescriptionsalongside.
EMERGENCYSTOP
Thisstopsthemachinewhenmalfunctioningorintheeventofasuddendanger.Anotherpush-buttonislocatedonthebackofthemachine(modelsVS80-110-150-250-340-360-405).
Oncethepush-buttonispressed,allthefunctionsstop,toreleaseit,justturnitaccordingtothearrowsontheknob.
Themachinecanbestoppedusingthesafetycableslocatedalongtheirsides.
Toreleasethemachinefromthealarmconditioneitherpressthebuttononthechaintensionercasing(modelsVS80-110-150-250-360-360G-405),orpulltheknobonthechaintensionercasingupwardsuntilthewholeofthegreenareaundertheknobcanbeseen(modelsVS35-50)
POWERLIGHT
Whenthislightison,themachineispowered.
LOADING:
DEPRESSIONFREE
Theloadingmodecanbechosen:
intheDEPRESSIONposition,theloadingisperformedinatraditionalway,i.e.theblowercreatesadepressioninthetankandthemustiscollectedinthecollectingtank;intheFREEpositiontheblowerwillnotoperateandthedrainagewillbebygravity,themustwillthenflowintoahopperplacedunderthecollector.
START
Startandresetbutton:
thismustbepressedtopoweruppanel.Whenthishappens,abluelightwillcomeon;ifnothinghappens,pleasecheckthat:
•Thefrontandbackemergenciesarenotengaged
•TheROTATIONselectorisoncentralposition
ALARMOFF-ALARMON
Thisselectorenablesordisablesthewarningsoundforautomaticloading.
AUTOMATIC–MANUAL
IntheAUTOthemachinewillstartautomaticpressingprocess,thusdisenablingallthemanualfunctionswithexceptionofthemustpump;intheMANUALmode,allfunctionsaremanualandtheautomaticpressingandloadingprocessisdisabled.
LOADING–CYCLE
WhentheselectorisintheLOADINGposition,thepneumaticaxialvalvewillopenthusstartingtheautomaticloadingprogram;whenselectorisintheCYCLEposition,thepneumaticvalvewillcloseandmachineisreadyfortheprocessingcycle.
DOOR:
OPEN-CLOSE
Theselectorallowstheloadingandunloadi
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