TamperePolytechnic,UniversityofAppliedSciencesPage1(34)ThesisworkKimmoÄärinenTAMPEREPOLYTECHNICUniversityofAppliedSciencesInternationalPulpandPaperTechnologyFinalthesisKimmoÄärinenOPTIMISATIONOFCUSTOMERROLLQUALITYINWINDINGThesissupervisorDr.UllaHäggblom-AhngerThesissupervisorDITommiHevonojaContractorM-real,KirkniemimillTampere2006TamperePolytechnic,UniversityofAppliedSciencesPage2(34)ThesisworkKimmoÄärinenTAMPEREPOLYTECHNICUniversityofAppliedSciencesInternationalPulpandPaperTechnologyÄärinenKimmoOptimisationofCustomerRollQualityinWindingFinalthesis34pagesThesissupervisorDr.UllaHäggblom-AhngerContractorM-real,KirkniemimillThesissupervisorDITommiHevonojaABSTRACTThesubjectofthisthesisworkwastooptimisecustomerrollqualityaftermodernisationofwinders.Inlaterpartsofthesisworkdocumentingeffectsofmodernisationbecamemainsubjectasgooddrivevalueswerefound.Inthisworkdifferentwindertypesarestudiedandmeasuringmethodsintroduced.AdvantagesofmultistationwinderonLWCpaperbecameclear.Trialrunshavebeencarriedouttoevaluateeffectsofmodernisationandalsotosolveencounteredproblems.Mainlytrialrunsaremadeonmultistationwindertostudyeffectofdifferentdrivevalueswithnewrollcoverandriderrolls.TamperePolytechnic,UniversityofAppliedSciencesPage3(34)ThesisworkKimmoÄärinenFOREWORDIbegandoingthisthesisworkonJanuary2005Theworkconsistsofwrittenmoretheoreticalpartandexperimentalpart.Iwanttothanmythesissupervisorforhelpandgreatpatience.IwantalsothankTommiHevonojaandJaakkoRintamäkiwhoprovidedguidanceinpapermill.TeroRämäfromMetsoJärvenpääprovidedveryimportanthelpinmeasuringtechniques.Othermillstaffalsodeservesthankforgoodcooperationandatmosphere.Specialthanksgotoimportantpeopleofmylifewhohavesupportedme.Tampere28.11.2006KimmoÄärinenTamperePolytechnic,UniversityofAppliedSciencesPage4(34)ThesisworkKimmoÄärinen1.Introduction................................................................................................................61.1Background..........................................................................................................61.2Objects..................................................................................................................61.3KirkniemiMill......................................................................................................62.Winding......................................................................................................................72.1Winderfunctions..................................................................................................72.1.1Unwindingsection.........................................................................................72.1.2Slitting...........................................................................................................82.1.3Windupsection..............................................................................................92.2Twodrumwinder.................................................................................................92.2.1WindingForcecontrollingmethods.............................................................102.2.2Softrollcovers............................................................................................112.2.3Relievingniploadbyairpressure...............................................................112.2.4Beltsupportedtwodrumwinder.................................................................122.2.5Variablegeometrytwodrumwinder..........................................................132.2.6Modernisation..............................................................................................132.3Multistationwinder............................................................................................132.3.1Riderrolls.....................................................................................................142.3.2Modernisation..............................................................................................163.Measuringmethods...................................................................................................173.1TapioRQProllhardnesstester...........................................................................173.2Schmidthammer................................................................................................183.3Smithneedle.......................................................................................................183.4Pulltab-test........................................................................................................193.5CameronGap......................................................................................................194.Experimentalpart.....................................................................................................204.1PL3.....................................................................................................................204.1.1SteelCover............................................................................................