1、BRITISH STANDARD BS EN 12385-7:2002 Steel wire ropes Safety Part 7: Locked coil ropes for mine shafts The European Standard EN 12385-7:2002 has the status of a British Standard ICS 77.140.65 BS EN 12385-7:2002 This British Standard, having been prepared under the direction of the Engineering Sector
2、Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 30 October 2002 BSI 30 October 2002 ISBN 0 580 40658 X National foreword This British Standard is the official English language version of EN 12385-7:2002. The UK participation in its p
3、reparation was entrusted to Technical Committee MHE/2, Wire ropes, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referre
4、d to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisio
5、ns of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or
6、 proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover. Th
7、e BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN123857 October2002 ICS77.140.65 Englishversion SteelwireropesSafetyPart7:Lockedcoilropesformine shaf
8、ts CblesenacierScuritPartie7:Cblesclos dextractionpourpuitsdemine DrahtseileausStahldrahtSicherheitTeil7: VerschlosseneSpiralseilefrSchachtfrderanlagendes Bergbaus ThisEuropeanStandardwasapprovedbyCENon28March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethecondi
9、tionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Ave
10、rsioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,L
11、uxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforC
12、ENnationalMembers. Ref.No.EN123857:2002EEN123857:2002(E) 2 Contents page Foreword3 Introduction .4 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Listofhazards. .4 5 Safetyrequirementsand/ormeasures . .5 6 Verificationofsafetyrequirementsand/ormeasures. .7 7 Informationforuse . .8 Ann
13、exA (normative) Propertiesofwiresforguideropesbeforeropemaking9 AnnexB (informative) Minimumbreakingforces11 AnnexC (informative) Informationwhichshouldbeprovidedwithanenquiryororder .13EN123857:2002(E) 3 Foreword Thisdocument(EN123857:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC168,“Chains,ropes,
14、 webbing,slingsandaccessoriesSafety”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyApril2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby April2003. TheotherPartsofEN123
15、85are: Part1:Generalrequirements Part2:Definitions,designationandclassification Part3:Informationforuseandmaintenance Part4:Strandedropesforgeneralliftingapplications Part5:Strandedropesforlifts Part6:Strandedropesformineshafts Part8:Strandedhaulingandcarryinghaulingropesforcablewayinstallationsdesi
16、gnedtocarrypersons Part9:Lockedcoilcarryingropesforcablewayinstallationsdesignedtocarrypersons Part10:Spiralropesforgeneralstructuralapplications Part1providesthegeneralrequirementsofParts4to10. ThisisthefirsteditionofthisPart. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganiz
17、ationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN123857:2002(E) 4 Introduction Duringthepreparat
18、ionofthisstandard,itwasassumedthatanegotiationwouldtakeplacebetweenthepurchaser andthemanufacturerconcerningtheintendedpurposeoftherope. Specifiers,purchasersandusersshouldrecognisethatlockedcoilropesformineshaftsare,moreoftenthannot, speciallydesignedbytheropemanufacturertomeetparticularshaftcondit
19、ionsandmachineryrequirements. 1Scope ThisPartofthisEuropeanStandardspecifiestheparticularmaterials,manufacturingandtestingrequirementsfor fulllockedcoilhoistandhalflockedandfulllockedcoilguideropesformineshafts. TheparticularhazardscoveredbythisPartareidentifiedinClause4. Forinformationonly,typicalb
20、reakingforcesforbothfulllockedcoilhoistropesandhalflockedandfulllockedcoil guideropes,basedononeparticularcombinationofwiretensilestrengthgradesineachcase,aregiveninannex A(hoistropes)andannexB(guideropes)forsomeofthemorecommonsizes. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorund
21、atedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.Fordated references,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonly whenincorporatedinitbyamendmentorrevision.F
22、orundatedreferencesthelatesteditionofthepublicationreferred toapplies(includingamendments). EN2922:1991/A1:1995, SafetyofmachineryBasicconceptsGeneralprinciplesfordesignPart2:Technical principlesandspecifications(Amendment1). EN1050:1996, SafetyofmachineryPrinciplesofriskassessment. EN102643, Steelw
23、ireandwireproductsSteelwireforropesPart3:Colddrawnandcoldshapednonalloyed steelwireforheavydutyapplications. EN123851:2002, SteelwireropesSafetyPart1:Generalrequirements. EN123852, SteelwireropesSafetyPart2:Definitions,designationandclassification. ISO4346, SteelwireropesforgeneralpurposesLubricants
24、Basicrequirements. DIN21258: 1986,PreservativecompoundsforkoepefrictiondrivewindingropesinminingSafetyrequirements andtesting. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsinEN123852apply. 4 Listofhazards ForthepurposesofthisPartthehazardsidentifiedinclause4ofPart
25、1apply.EN123857:2002(E) 5 5 Safetyrequirementsand/ormeasures 5.1General Inadditiontotherequirementsgivenin5.2to5.8,therequirementsshallalsoconformtothosegiveninPart1of thisstandard. 5.2Materials 5.2.1Wire Wiresbeforeropemakingshallconformto: a) EN102643forfulllockedcoilhoistropesand b) annexAforlock
26、edcoilguideropes. ThetensilestrengthgradesofshapedwiresoffulllockedcoilhoistropesshallbeinaccordancewithTable1,withthe exceptionthatthecentrewiremaybeofalowergrade.Inthiscaseitshallhavetorsionandbendvaluesnotlessthan thosegivenfor1570grade: Table1Tensilestrengthgradesofwires Roundwire N/mm 2 Shapedw
27、ire N/mm 2 1570 1270 1770 1370 1860 1470 1960 1570 1670 1770 Thetensilestrengthgradesofallwiresofhalflockedandfulllockedcoilguideropeshallbe780,880,980,1080, 1180,1270,1370or1470N/mm 2 .Thetensilestrengthtoleranceforwireforguideropesshallnotexceed +250N/mm 2 . 5.2.2Lubricant Thelubricant(s)shallcomp
28、lywithISO4346. Thelubricant(s)forfrictionhoistropesshallcomplywithDIN21258,takingaccountof: a) thecoefficientoffrictionbetweentheropeandthedrivesheave;and b) thecompatibilityofthelubricantwiththerespectivesheavelinings. NOTE Thepurchasershouldspecifyanyparticularlubricantrequirements(seeintroduction
29、). 5.3 Ropemanufacture 5.3.1 Wirefinish Thefinishofthewiresshallbebright,zinccoatedclassDoracombinationofbothprovidedthatinanyonelayerthe finishisthesame.EN123857:2002(E) 6 5.3.2Lubrication Ropesshallbelubricatedateachclosingoperationexceptforfulllockedcoilfrictionhoistropes. NOTE Thepurchasershould
30、specifyanyparticularlubricationrequirements(seeIntroduction). 5.3.3Construction 5.3.3.1 Fulllockedcoilhoistrope Theropeshallconsistofoneouterlayeroffulllockwireslaidoveranunderlyinglayerofhalflockandroundwiresand astrandcentreofroundwires. NOTE1 Forthelargersizesofropetherecanbemorethanonelayerofhal
31、flockandroundwires. NOTE2 Forpracticalmanufacturingreasonstheactualnumberofwiresintheouterlayercanvarybutshouldnotdosoby morethanonewirefromthatspecifiedbythemanufacturer. 5.3.3.2 Halflockedcoilguiderope Theropeshallconsistofanouterlayerofalternatehalflockandroundwireslaidoveraninnerlayerorlayersofr
32、ound wires,alllaidoveracentrewire. Forropesizesuptoandincluding41mminropegradesuptoandincluding1080,theouterwiresize(i.e.theheightof theshapedwireandthediameteroftheroundwire)shallnotbelessthan17,5%ofthenominalropediameter. Forropesinexcessof41mmdiameterinropegradesabove1080,theminimumheightofthesha
33、pedwireshallbe 7,6mm. Thediameteroftheroundwireintheoutercovershallbewithin10%oftheheightoftheshapedwire. 5.3.3.3 Fulllockedcoilguideropes Theropeshallconsistofanouterlayeroffulllockwireslaidoveranunderlayinglayerofhalflockandroundwires andastrandcentreofroundwires. 5.4Diameter 5.4.1Tolerances Whenm
34、easuredinaccordancewith6.3.1ofEN123851:2002themeasureddiametershallbewithin 2% of the nominaldiameter. NOTE Specifiers,purchasersandusersshouldrecognizethatlockedcoilropesformineshaftsare,moreoftenthannot, speciallydesignedbytheropemanufacturertomeetparticularshaftconditionsandmachineryrequirementsa
35、ndparticular attentionshouldbegiventotheselectionofthecorrectsizeofropeandassociateddiametertolerance. 5.4.2 Differencebetweendiametermeasurements Thedifferencebetweenanytwoofthefourmeasurementstakeninaccordancewith6.3.1ofEN123851:2002shall notexceed4%ofthenominalropediameter.EN123857:2002(E) 7 5.5B
36、reaking force Onlytheminimumbreakingforceshallbespecifiedasthebreakingforce. Thespecifiedminimumvalueforagivenropesize,constructionandcombinationofwiretensilestrengthgradesshall bedeterminedbytheropemanufacturer. NOTE Typicalminimumvaluesofbreakingforceforfulllockedcoilhoistropes,halflockedandfulllo
37、ckedcoilguideropes withoneparticularcombinationofwiretensilestrengthgradesaregiveninannexB.Thecombinationforhoistropesisbased onanouterfulllockwireoftensilestrengthgrade1270,aninnerhalflockwireoftensilestrengthgrade1470andinnerrou nd wiresoftensilestrengthgrade1860andforguideropesisbasedonanouterhal
38、flockoftensilestrengthgrade780andround wiresoftensilestrengthgrade880.Dependingonthemanufacturersactualropedesign,higherorlowervaluesthanthose giveninannexBcanbespecified. Unlessstatedotherwisebythemanufacturer,thespinninglossfactorusedinthedeterminationofminimumbreaking forceshallbe0,835forfulllock
39、edcoilhoistropesand0,925forhalflockedcoilguideropes. ThemanufacturershallcarryoutabreakingforcetestinaccordancewithMethod1asdescribedin6.4.1of EN123851:2002onasampleofropefromeachproductionlength. 5.6Length Theactuallengthofropeshallnotbelessthanthespecifiedlength,norshallitexceeditbymorethan2%. 5.7
40、Length mass Thenominallengthmassshallbespecifiedbythemanufacturer. Whenmeasuredinaccordancewithclause6themeasuredlengthmassshallbeinaccordancewiththespecified value,subjecttoatoleranceof4%. 5.8 Designationandclassification RopedesignationandclassificationshallconformtoEN123852. 6 Verificationofsafet
41、yrequirementsand/ormeasures 6.1General Verificationofsafetyrequirementsand/ormeasuresshallbeinaccordancewiththatgiveninclause6ofEN12385 1andtheadditionalverificationgivenin6.2to6.5below. 6.2Lubricant Compliancewiththelubricantrequirementsshallbethroughavisualverificationoftheinspectiondocuments supp
42、liedwiththelubricant. 6.3Lubrication Compliancewiththelubricationrequirementsshallbethroughavisualverification. 6.4Construction Compliancewiththeconstructionrequirementsshallbethroughavisualverification.EN123857:2002(E) 8 6.5Length mass Themeasuredlengthmassshallbedeterminedbyoneofthefollowingmethod
43、s: a) thegrossmassofrope,reelandancillaryitemsshallbemeasured.Themassofreelandancillaryitems shallbesubtractedfromthisvaluetogivetheropemass.Theropemassshallbedividedbythemeasured ropelengthontheclosingmachine;or, b) asampleofropeshallbeweighedanddividedbythemeasuredlengthoftheropesample. 7 Informationforuse Inadditiontoconformingtoclause7ofPart1,theCertificate(see7.2.2ofPart1)sha
