gps85001en rch结构和电气接头紧固力矩

Code:GPS85001- Rev:GAMESAPROCESS代码：GPS85001- 版本Date: Pg.1of页码：1/ Error! name.批准流程 电子：PDM流PCTD–PCTD–TIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALJOINTSPrepared:交付物 Approved: Thepresent ,itscontent,itsannexesand/oramendments(the“”)hasbeendrawnupbyGAMESACORPORACIÓN OLÓGICA,S.A.(“Gamesa”)forinformationpurposesonly,andcontainsprivateandinformationregardingGamesaanditssubsidiaries(the“”),directedexclusivelytoitsaddressee.Thereforeitmustnotbedisclosed,publishedordistributed,partiallyortotally,withoutthepriorwrittenconsentofGamesa,andinanycaseexpresslyindicatingthefactthatGamesaistheownerofalltheinlectualproperty.Allthecontentofthe,whetheritistexts,images,brands,trademarks,combinationofcoloursoranyotherelement,itsstructureanddesign,theselectionandwayofpresentingtheinformation,areprotectedbyinlectualandindustrialpropertyrightsownedbyGamesa,thattheaddresseeofthe respect.Inparticular(notwithstandingthegeneralityobligation),theaddresseeshallnotreproduce(exceptforprivateuse),copy,transform,distributeorpublishtoanyotherthirdparty,anyoftheinformation,totallyorpartially.本文件及其内容、附件和/或修订版(本“文件”)由GAMESACORPORACIÓ OLÓICA,S.A(“”)公司编写，参考之用，其中包含关于公司及其附属公司(本“公司”)的私人和信息，由收件人亲启。因此，公司的事先同意，不得披露、，或分发部分或全部内容，在任何情况下都要明确表明是所有相知识的所有者。本文件的所有内容，无论是文字、、品牌、商标、颜色组合或任何其他元素、结构和设计及选择和呈现信息的方式，都受知识和工业的保护，本文件的收件人必须加以尊重。特别注意的是(尽管属于一般义务)，收件人(私人使用除外)、拷贝、、分发或发布或全部信息给任何其他第。 SCOPEOFAPPLICATION适用范 FULLASSEMBLYOFANCHORLINE锚固线总 DACROMETCOATEDJOINTS涂层接 ZINC TEDJOINTELEMENTS锌镍镀层连接元 DACROMETCOATED涂 ZINC TEDJOINTELEMENTS锌镍镀层连接元 GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE2ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALZINC TEDJOINTELEMENTS锌镍镀层连接元 STAINLESSSTEELJOINTELEMENTS不锈钢连接元 6.2.1.1GALVANIZEDJOINTELEMENTS镀锌连接元 DACROMETCOATEDJOINTS涂层接 ZINC TEDJOINTELEMENTS锌镍镀层连接元 DACROMETCOATED涂 ZINC TEDJOINTELEMENTS锌镍镀层连接元 ZINC TEDJOINTELEMENTS锌镍镀层连接元 STAINLESSSTEELJOINTELEMENTS不锈钢连接元 GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE3ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL

ThisrecesFuchsRenolynUnysin320CLPincludedasallowedTighteningtorquesforstainlesssteelfastenersindrycondition

VerificationtorquesandtighteningtorquesseparatedindifferentM12boltsqualityclass10.9removedinaccordancewithIDM-TEC-M52conventionaljointelementsremovedsincetheapplicabletighteningtorquemethodisnotcoveredbythisspecification.TighteningtorqueforZincNickeltedfastenersaddedTypographicalerrorsinverificationtorquesfor8.8fastenerscorrected.A4-70stainlesssteelfastenersinelectricalboltedjointsadded.Thesevalueswereunintentionallyomittedinformerrevisionsofthis在螺栓连接的电气接头中增加A4-70不锈钢紧固件。之前的版本中Section4.5updated.Useofpermanentmarkerforbiddenandrecedbytheuseofpermanentsealerpainting.Requirementstobemetbythepaintingincludedinordertoensureitsroleinoperationandmaintenance过所包含的涂漆满足各种要求，以确保在运行和任务中起到作用。 Table11updated.AdditionofM64tighteningSection4.4.2updated.Groundingboltedjointsnotconsideredaselectricalconnections,butmechanical.Section5updated.Boltedjointsinwhichself-lockingnutsareusedareoutofthescopeofthisspecification. Section5.2.1updated.NutswithserrationsarenotTable11GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE4ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL1Thisspecificationdefinesthetighteningtorquestobeappliedtothesecuringelements(boltsandnuts),dependingontheirdesignrules,surfacetreatment,quality,andlubricationstate.

AllboltedjointelementsofGCTwindturbines,exceptforthoseapplicationsthataredefined ation.Thoseboltsthatarenottightenedbytorqueapplicationareexcludedfromthe

GCT风机的所有螺栓连接元件。本范围DEFINITIONSAND ZnNi8C3DS-ZincNickelting(8micronsmin.)+chromateconversioncoating(CrIII)+doublesealing(consistingonapplyinganorganicmineralsealant

ZnNi8C3DS-锌镍电镀层(8微米)+铬酸盐转 Thisspecificationincorporatesdatedorundatedreferenceprovisionsfromotherpublications.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisspecificationonlywhenincorporatedinitbyamendmentofrevision.Forundatedreferencesthelatesteditionofthepublicationreferredshallbe

包括引自其他物的注明日期或未注明日期及物的版本适用。AuditoríasdeProcesodeCalidad ntasdeEnsamblajedeInformeensayosnificadospar-aprieteenSCOPEOF Whenspecified,thefasteningcomponentsmustbelubricatedbymeansofapplyingaslightanduniformfilmofoilonthesurfacesthataresubjecttofriction:

薄油膜来润滑各紧固部件，涂敷面取决于受摩擦的情Onthebaseoftheboltheadoronthe GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE5ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALbearingsurface,dependingonwhatparttorqueisapplied.

Onthe TexacoMeropa320oil FuchsRenolynUnysin320 IncaseoftowerstructuralassembliesMoS2shallbeappliedonthetower'snutsbythemanufacturer,attheirinstallations.

Onitsexternaldiameter,thechamfermustbecedfacingthecontactsideoftheboltorthenut.Duringassemblyofstructuralboltsornuts(EN14399-4),theinnerchamferofthewasher(EN14399-6)mustfacetheboltheadorthenut.

Figure1ConfigurationoftowerstructuralboltingCONDITIONSOF Thetighteningtorquevaluesspecifiedinthetablesaretobeappliedexclusivelywhentheconditionsforsuchpurposearegiven.Ifoneorseveralconditionsofapplicationarenotmet,thetighteningtorqueandthejointconfigurationmustbecalculated

个或多个，则必须对紧固力矩和接头结构进行专门计GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE6ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALAsageneralruleandwheneverpossible,thetorqueshouldbeappliedtothenutwhilesecuringthescrewinposition,ifnecessary.Theappropriateprocessspecificationswilltakeprecedenceoverthisrule.

JOINT Bywayofrepresentationandasanassemblyguide,thejointconfigurationsareshownbelow.

Shownbelowaretwoconfigurationsthatofferseveralpossibilitiesofcombiningstructuraljointelements,intheirmostgeneralversions.

ISOISO4014 ISOGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE7ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL DINDINFigure2Configurationofboltingelementsinstructural Theconfigurationmaychangeasregardstheelementstobefastened,andcanbeascomplexashavingtwotesandtwoterminals,butthejointelementsstayandarefittedintheordershown.

DIN DINFigure3ConfigurationofboltingelementsinelectricalUnlessotherwisestated,groundingboltedjointsarenotconsideredaselectricaljoints,butmechanicalandthereforethecorrespondingtighteningtorqueasperSection5.1mustbeapplied.

械接头，因此必须依照第5.1节施加相应的紧固力矩。GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE8ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL Thebolttighteningwitnessstripewillbedonebypaintingacontinuouslineofavisiblecolorasperfigurebelow.Markingmustbepermanent,resistanttoexternalweatherconditionsand/orhandlingwith,oil,acids,etc.Therefore,theuseofindeliblemarkerisforbidden.GP089087canbetakenasanexampleofamarkerthatcomplieswithalltherequirementsaboveThewitnessstripewillbedrawnonthenutandonthethreadsofthebolt,thewashersandtheconnectedpart,asshowninthepicture.Ifthereisnonut,itwillbedrawnonthebolthead.Theapplicationofotherkindsofstripesisnotauthorized.

气条件和/或油、酸等腐蚀。因此，使用记号笔。Figure4TorqueapplicationwitnessRegardingstructuralbolts,thestripemustbeappliedtoallM20boltsandhigher.Smaller-sizedboltsthatshouldbemarkedduetotheirsignificancemustbespecifiedexplicitlyinthedesign

M20及更大尺寸的螺栓应Thestripemustbeappliedtoallelectric regardlessoftheir Thetighteningstripeisawitnessofthetorqueapplicationwhich,onitsown,doesnotguaranteepropertighteningofthejoint.Itguaranteesthatthewhoappliedthetorquebearswitness.Improperorinsufficientapplicationconditionscouldresultinthelossoftheconnected(heading)elements’size,whichwouldreducethetighteningconditionswithoutthestripebearingwitness.Ifthestripeisadequate,itcanalsoserveasareferencewitnessforthetorqueverificationprocess.Ifitisnotadequate,thetestercandrawanotheronetosupportthemeasurementtaken.

ThevaluesshowninthetableswillbetheoneschosenforthetighteningofallGCTbolts,unlessadifferentvalueappearsinthecorrespondingAssemblySpecification,inwhichcase,thelatterwilltakeprecedence.Tighteningtorquevaluesdefinedinthisspecificationarenotapplicabletoboltedjointsinwhichself-lockingnutsareused.

选择下表中所示的值来紧固所有的公司的螺栓，FULLASSEMBLYOFANCHOR Thetighteningtorquevalueshavebeenunifiedforthevastmajorityofboltsinordertomakemountingtaskseasier,butthefollowingrulesmustbeThinpitchmetricISO8765andISO8676boltsmustbelubricated.

必须润滑符合米制细牙螺纹ISO8765和ISO8676的螺栓。Boltswithanytypeofcoatingandwithsizes≥M20mustbelubricated,withtheexceptionofthetowerstructuralnutandboltassemblies,whosenutshavealreadybeenlubricatedbythe

M20的螺栓，不论带什么涂层都必CONVENTIONALJOINT ISO4014(DIN931)and4017(DINhexagonbolts(asper5.aand5.b

ISO4014(DIN931)4017(DIN933)GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE10ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALISO4762(DIN912)cylindricalbolts(asperfigure5.cbelow)ISO4032(DIN934)hexagonnuts(asperfigure5.dbelow)

ISO7089DIN125) Figure5ConventionalJointGALVANIZEDJOINT tZnHotdip galZn.-Electrolyticgalvanized:onlyappliesto8.8qualityTable1Tighteningtorqueinlubricatedcondition

表1润滑条件下的紧固力矩(Nm)ISO4014ISO4017andISO4762FastenersISO4014、ISO4017和ISO4762紧固件ISO4032ISO7089HotdipGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE11ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL1750ValueobtainedthroughtrialsasshownintheinternalreportGD000928.Table2TighteningtorqueinDrycondition ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089HotdipGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE12ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALDACROMETCOATED AlsoISO8765(DIN960)and8676961)hexagonthinpitch

ISO8765(DIN960)8676(Dacromet500 500BTable3Tighteningtorqueinlubricatedcondition

ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089500BGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE13ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL435800143019001700Thesevalueshavebeentestedinalaboratorybench,andtheresthavebeencalculated,asshowninthereportsGD000928(tests)andGD001260(calculations).Thevalue1425hasbeenrounded-upto1430,sothatitismoreapproachablefortools,andtheimpactofthechangeisinsignificant.OthervaluesinthetableshavebeensimilarlyTable4Tighteningtorqueindrycondition ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089500BGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE14ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL ZincNickeltingisnotallowedforhighstrengthsteelfastenerswithahardnessof320HVandmore(propertyclass10.9andhigher)duetotheriskofhydrogenembrittlement.Therefore,tighteningtorquevaluesgivenbythis areonlyapplicabletopropertyclass8.8.ZincNickeltedfasteningcomponentsmustnotbeTable5Tighteningtorqueindrycondition(Nm)forZincNickeltedconventionaljointelements

表5ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE15ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALFLANGEDJOINT FLANGEDJOINT ISO4162-EN1665(DIN6921)flangebolts(asperfigure6ISO4161-EN1661(DIN6923)nutswithflange(asperfigure6below).Nutswithserrationsarenotallowed.

ISO4162-EN1665(DIN6921)ISO4161-EN1661(DIN6923)ISO7089DIN125) ISO7089DIN125)DIN7349 DIN7349Theapplicationmightnothave ThefrictionfactorsusedforthecalculationarebasedontheresultsofthetrialsontheISO-4014bolts.

GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE16ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALFigure6Flangedjoint galZn.-Electrolyticgalvanized:onlyappliesto8.8qualityTable6Tighteningtorqueinlubricatedcondition

表6润滑条件下的紧固力矩(Nm)FlangedjointISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈PropertyclassGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE17ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALTable7Tighteningtorqueindrycondition FlangedjointISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈PropertyclassDACROMET Table8Tighteningtorqueinlubricatedcondition

FlangedFlangedjointGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE18ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈500BTable9TighteningtorqueinDrycondition ISOISO4162ISO4161ISO7089-DIN7349FlangedjointGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE19ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL500B ThefrictionfactorsusedforthecalculationarebasedontheresultsofthetrialsontheISO-4014boltsbuttakenintoaccountthedimensionsgivenbytheapplicablestandardstothesetypesoffasteners.Table10Tighteningtorqueindrycondition(Nm)forZincNickeltedflangedjointelements

用于计算的摩擦系数基于按照ISO-4014螺栓进行的试表10ISOISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈FlangedjointGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE20ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALTOWERSTRUCTURAL Therofthebolt/nutassemblyisresponsibleofitsfunctionalcharacteristicsasawhole.Theassembly,bolt,nutandwasher,shallbedbyonemanufacturerandthereforethecoatingandlubricationoftheassemblymustbeundercontrolofonemanufacturer.EN14399-4(DIN6914)hexagonbolts;10.9EN14399-4(DIN6915)hexagonnuts;10

(EN14399-4DIN6915)六角螺母；10EN14399-6DIN6916 tZnHot Nutpre-lubricatedwithMoS2byther,attheirinstallations.Nooilistobeapplied.

安装时，应由制造二硫化钼GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE21ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALForM>36,exceptforM64,tighteningtorqueandpreloadvaluesarebasedonDast-Richtlinie021.Table11TighteningtorqueinlubricatedconditionwithMoS2bymanufacturer(Nm)

M>36时，M6411制造商采用二硫化钼(MoS2)润滑条件下的紧固TowerboltingEN14399-4hexagonbolts10.9qualityEN14399-4六角螺栓；10.9级EN14399-4hexagonnuts10qualityEN14399-4六角螺母；10级EN14399-6垫圈Tightening[3Tighteningtobecarriedoutintwoconsecutivesteps75%+100%).STAINLESSSTEEL 2typesofjointconfigurationsare Type1Flange 1–ISO4162-EN1665(DIN6921)

ISO4162-EN1665(DIN6921) Ifclampedthickness<2*M 如果夹紧厚度<2*MISOGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE22ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL7042(DIN980)PrevailingtorquehexagonnutsForclampedthickness≥2*MISO4032Hexagon

如果夹紧厚度2*MISO4032六ISO7089ISO7090DIN125) ISO7089ISO7090(DIN125)Type2ConventionalJointwithflange Onlyifclampedthickness ISO4014(DIN931),ISO4017(DIN

ISO4014DIN931)、ISO4017DIN933)ISO4161-EN1661(DIN6923)nutswith

ISO4161-EN1661DIN6923)ISO7089ISO7090DIN125) ISO7089ISO7090(DIN125)TighteningtorqueforA4-70propertyclass,accordingtoISO3506,metricstainlesssteelfastenersareshowninthetablebelow.Tighteningshallbedoneinonesingleoperation,withoutinterruptionsandatalowesttighteningspeedaspossible.Table12Tighteningtorqueindrycondition(Nm)forstainlesssteelfasteners

StainlesssteelISO4014ISO4017andISO4162BoltsISO4014、ISO4017ISO4162螺栓ISO4032ISO7089–ISO7090ISO7089ISO7090TighteningGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE23ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALFASTENINGOFELECTRICAL ISO4162-EN1665(DIN6921)boltswith

ISO4162-EN1665DIN6921)ISO4161-EN1661(DIN6923)nutswith

ISO4161-EN1661DIN6923)DIN6796Conicalspring DIN7349 DIN7349Incaseofcarbonsteelandalloysteelbolts,onlypropertyclass8.8isallowed.Twodifferentcoatingscanbeapplied:electrolyticgalvanized(galZn)andZincNickeltingForstainlesssteeljointelements,onlypropertyclassA4-70isallowed.A2-70propertyclasscanbeusedonlyunderwrittenapprovalofGamesa.Inthatcase,tighteningtorqueswillbethesamethatthosespecifiedforA4-70propertyclass.Tighteningtorquesaretobeappliedindrycondition.ValueoftighteningtorquewilldependonifthematerialofthetesandterminalsisCopperorAluminum.Inbothcasestheworkingtemperaturerangeisfrom200ºCto-25ºC.

电镀锌(galZn)和镍锌镀层级A4-70的规定相同。下，工作温度范围均为200℃至-25℃。GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE24ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALTighteningtorquesaspertables Table13Tighteningtorqueindrycondition(Nm)forcoppertesorterminals

13干燥条件下铜接线板或接线端子的紧固力矩Electricalelements-CopperISO4162ISO4161DIN6796DIN7349WashersDIN6796-DIN7349垫圈PropertyclassElectricalelements- Table14TighteningtorqueElectricalelements- ISO4162

14干燥条件下铝接线板或接线端子的紧固力矩GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE25ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALISO4161DIN6796DIN7349WashersDIN6796-DIN7349垫圈Propertyclass Table15Tighteningtorqueindrycondition(Nm)forZincNickeltedflangedjointelements

表15Electricalelements-CopperISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE26ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALTable16Tighteningtorqueindrycondition(Nm)forZincNickeltedflangedjointelements

表16Electricalelements-AluminumISO4162ISO4161ISO7089DIN7349WashersISO7089-DIN7349垫圈GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE27ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALSTAINLESSSTEELJOINT Table17Tighteningtorqueindrycondition(Nm)forcoppertesorterminals

17干燥条件下铜接线板或接线端子的紧固力矩Electricalelements-CopperISO4162ISO4161DIN6796DIN7349WashersDIN6796-DIN7349垫圈Table18Tighteningtorqueindrycondition(Nm)foraluminumtesorterminals

18干燥条件下铝接线板或接线端子的紧固力矩Electricalelements-Electricalelements- ISO4161GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE28ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALDIN6796DIN7349WashersDIN6796-DIN7349垫圈Verifyingtheamountofatighteningtorqueisnotaverypreciseprocess.Duringthetorquetighteningprocess,anumberofsettlementsandmodificationsofthecontactsurfacestakecewhichwillaffectthefrictionfactorvalues.Thetighteningtorqueisanindirectmeasurementofthevaluethatreallymatters:thewithwhichthefasteningispreloaded.Thatiswhyitisnotveryprecisetomeasurethe bycheckingthenewfrictionconditionsbasedontheoriginaltighteningHowever,andduetotheimportanceofverifyingthequalityofthetightening,methodswhosereliabilityisgoodenoughforthispurposearedefined,takingforgrantedthatthecorrelationpreload–torquehasbeencorrectlyestablished.Thereareseveralpracticesforverifyingthetighteningtorque:TomeasurethereleasetorqueofthefasteningelementsToretightenandmeasurethefasteningelement’sstart-uptorque

GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE29ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALAsophisticatedvariationofthismethod,andpossiblythemostpreciseone,istoverifythetighteningtorquethroughcomputerizedtoolswhich(throughempiricalcorrelationandusingthepropersoftware)deciphertheoriginaltighteningtorquewithanacceptableprecisionlevel.Marking,releasingandretighteninguntilthemarksre-coincide

Thefollowingaretheonlymethods Marking,releasingandretighteninguntilthemarksre-coincideTheaforementioned yticvariation(withsoftware)oftheretighteningmethodThatiswhythesetwoaretheacceptedmethodsinthequalityprocedurePCA-EOL1-001,andthereforetheonesthatshouldbeusedfollowingtheinstructionsinthisprocedure.

PCA-EOL1-001中这两种方 Below,minimumand umvaluesoftorqueverificationareshown.

CONVENTIONALJOINT 6.2.1.1GALVANIZEDJOINT Table19Verificationtorqueinlubricatedcondition

ISOISO4014ISO4017andISO4762BoltsISO4014、ISO4017和ISO4762ISO4032ISO7089GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE30ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALHotdipMMTable20Verificationtorqueindrycondition ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089HotdipGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE31ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL8MMDACROMETCOATED Table21Verificationtorqueinlubricatedcondition

ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089500BGAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE32ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICALMTable22Verificationtorqueindrycondition ISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO4032ISO7089GAMESAPROCESSGAMESAPROCESS Rev:代码：GPS85001- 版本Date: Pg.PAGE33ofTIGHTENINGTORQUEOFSTRUCTURALANDELECTRICAL500BMMZINC TEDJOINT Table23Verificationtorqueindrycondition FlangedjointISO4014ISO4017andISO4762BoltsISO4014、ISO4017ISO4762螺栓ISO