1、BRITISH STANDARD BS EN 13763-4:2003 Explosives for civil uses Detonators and relays Part 4: Determination of resistance to abrasion of leading wires and shock tubes The European Standard EN 13763-4:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-4:2003 This British Standard, was
2、published under the authority of the Standards Policy and Strategy Committee on 19 November 2003 BSI 19 November 2003 ISBN 0 580 42933 4 National foreword This British Standard is the official English language version of EN 13763-4:2003. The UK participation in its preparation was entrusted to Techn
3、ical Committee CII/61, Explosives for civil uses, 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 referred to in this docu
4、ment 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 provisions of a contract.
5、 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 proposals for ch
6、ange, 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 16, an inside back cover and a back cover. The BSI copyright n
7、otice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN137634 November2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart4: Determinationofresi
8、stancetoabrasionofleadingwiresand shocktubes ExplosifsusagecivilDtonateursetrelaisPartie4: Dterminationdelarsistancelabrasiondesfils damorceetdestubestransmissiondondesdechoc ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil4:Bestimmungder WiderstandsfhigkeitvonZnderdrhtenund Zndschluchen
9、gegenberAbrieb ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnatio
10、nal standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasth
11、e official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMIT
12、EUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN137634:2003EEN137634:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 5 2 Normativereferen
13、ces 5 3 Termsanddefinitions. .5 4 Principle5 5 Apparatus .5 6 Testpieces. .9 7 Procedure .9 8 Testreport . .11 AnnexA (informative) Rangeofapplicabilityofthetestmethod12 AnnexB (normative) Specificationofgrindingsteel13 AnnexC (informative) Availabilityofabrasivestrips .15 AnnexZA (informative) Clau
14、sesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 16EN137634:2003(E) 3 Foreword Thisdocument(EN137634:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,theSecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanati
15、onalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsof
16、EUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1: Requirements. EN1376
17、32 Part2: Determinationofthermalstability. EN137633 Part3: Determinationofsensitivenesstoimpact. EN137635 Part5: Determinationofresistancetocuttingdamageofleadingwiresandshocktubes. EN137636 Part6: Determinationofresistancetocrackingatlowtemperaturesofleadingwires. EN137637 Part 7: Determinationofth
18、emechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures. EN137638 Part8: Determinationofresistancetovibrationofplaindetonators. EN137639 Part9: Determinationofresistancetobendingofdetonators. EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays. EN137
19、6312 Part12: Determinationofresistancetohydrostaticpressure. prEN1376313 Part13: Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarge. prEN1376315 Part15:Determinationofequivalentinitiatingcapability. prEN1376316 Part16: Determinationofdelayaccuracy. prEN1376317 Part17: Determi
20、nationofnofirecurrentofelectricdetonators. prEN1376318 Part18: Determinationofseriesfiringcurrentofelectricdetonators. prEN1376319 Part19: Determinationoffiringimpulseofelectricdetonators. EN1376320 Part20: Determinationoftotalelectricalresistanceofelectricdetonators. prEN1376321 Part21: Determinati
21、onofflashovervoltageofelectricdetonators.EN137634:2003(E) 4 prEN1376322 Part22 :Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires. EN1376323 Part23: Determinationoftheshockwavevelocityofshocktube. EN1376324 Part24: Determinationoftheelectricalnonconductivityofshock
22、tubes. prEN1376325 Part25: Determinationoftransfercapabilityofsurfaceconnectorsandcouplingaccessories. prEN1376326 Part26: Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays. CEN/TS1376327 Part27: Definitions,methodsandrequirementsforelectronic
23、initiationsystem. TheannexesAandCareinformative,annexBisnormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Irelan
24、d,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN137634:2003(E) 5 Introduction Duringusageonsite,theinsulationontheleadingwiresofelectricdetonatorsandtheplasticstubingofshocktube nonelectricdetonatorscanbesubjectedtomanyforces,includingabra
25、siveforceswhendrawnoverrough surfacesand/orcuttingforceswhendrawnoverasharpedge.Intheformer,theplasticsmaterialiswornaway graduallybyabrasion.Inthelatter,thesharpedgecutsdirectlyintothematerial.Thisstandarddealswiththe formercasebydeterminingtheabilityofleadingwireinsulation/shocktubetoresisttheabra
26、siveforceslikelytobe experiencedinnormaluse. 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheresistancetoabrasionofplasticsusedas insulatingmaterialforleadingwiresofelectricdetonators,orusedasbasematerialforthetubingofshocktube nonelectricdetonators. 2 Normativereferences ThisEuropeanSta
27、ndardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporat
28、edinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571:2003, ExplosivesforcivilusesPart1Terminology. ENISO/IEC17025, Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO 17025:1999). 3 Termsanddefinition
29、s ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571:2003apply. 4Principle Thetestpieceissubjectedtoabrasionbyanabrasivesurface,movingataspecifiedspeed,whileaspecifiedload isapplied.Forleadingwiresthetimetakenfortheinsulationtobepenetratedisdetermined.Forshocktubesthe functio
30、ningoftheshocktubeafterimmersioninwateristested. 5Apparatus 5.1Abrasiontestapparatus, asshowninFigure1,comprisingthefollowingmaincomponents.EN137634:2003(E) 6 Dimensionsinmillimetres Key 1P i v o t 2 Hingedarm 3 Leadingwire/shocktube 4 Weight 5P u l l e y 6R o d 7 Weight 8 Clampscrewforattachingthet
31、estpiece 9 Clampforattachingthetestpiece 10Rotor NOTE Theweightontherodtotherightofthepulley(diameter70mm1mm)mayhangdowntherightsideofthe pulley. Figure1Abrasiontestapparatuswithrotorinstartingposition 5.1.1Steel or brass rotor, asshowninFigure2, withaperimeterof(4532)mmtowhichthreeabrasivestrips (s
32、ee5.1.2)areattachedbymeansofglueordoublesidedadhesivetape.Itshallbeensuredthatelectricalcontact betweentheabrasivestripsandtherotorismade,e.g.attheslitsontherotorwheretheendsoftheabrasivestrips areinserted(seeFigure2).Therotorshallrotateataspeedof(9,960,18)rpm,producingameanperipheral speedof(0,0750
33、,001)m/s. NOTE Dependingonattachmentprinciple(glueortape)oftheabrasivestriptotherotor,theabrasivestripmayhavetobe bentcarefullyusingasuitabletoolinordertofitproperlyagainstthesurfaceoftherotor.EN137634:2003(E) 7 Dimensionsinmillimetres Key 1 Slitfortheendoftheabrasivestrip 2 Abrasivestrip Figure2Rot
34、or 5.1.2 Abrasivestrips, threepiecesapproximately10mm 145mmeach,madeofgrindingsteelasspecifiedin annexB. 5.1.3Load, tobeappliedtothetestpiecethroughthehingedarm(see5.1.4). 5.1.4Hinged arm, madeofsteelorbrassasshowninFigure3.Inthestartingposition,thehingedarmshall applyaloadof(8,350,05)Ntothetestpiec
35、e. 5.1.5Pulley ,diameter(701)mm,forapplyingatensileloadof(8,10,5)Ntothetestpiece,bymeansofa rodandaweight. 5.1.6Motor, capableofmaintainingaconstantspeedofrotationwhateverloadisappliedtotherotor. NOTE1 ADCmotorwithanoutputpowerofatleast500Wandwithaseparatespeedcontrolcanbeused. Therotorshallreachits
36、specifiedspeedofrotation0,6safterstarting. NOTE2 Thisrequirementcanbeverifiedbytwoelectrodesabout20mmapart,eachadjustedtogiveelectricalcontactto thetipsoftherotorduringrotation.Theelectrodesareconnectedtoadigitalcounter,countingelapsedtime betweenthepuls es fromthetwoelectrodeswhentheyaretouchingthe
37、tipsoftherotor.Comparisonismadebetweentheelapsedtimeduringa continuousrunatthespecifiedspeedandtheelapsedtime0,6safterstart.Firsttherotorisrotatedmanuallytoanappropr iate positioninorderforatipoftherotortoreachthesecondelectrodeafter0,6s. Theelectrodescanalsobeusedforcalibratingthespecifiedspeedofro
38、tation,e.g.bymeasuringthetimeforonerevolution. In thiscaseonlyoneelectrodeisrequired.EN137634:2003(E) 8 5.1.7 Digitaltimerwithrelayoutput,capableof: beingsettoapredeterminedtimeintherangeof(0to10)s0,1s; beingstarted(triggered)whenthehingedarmisliftedbythetestpiece; automaticallystoppingtherotorwhent
39、hepredeterminedtimehaselapsed(onlyrequiredforshocktube testing); automaticallystoppingtherotorwhenelectricalcontactismadebetweentheleadingwireandtheabrasive striportherotor(onlyrequiredforleadingwiretesting). Dimensionsinmillimetres Figure3Hingedarm 5.2Immersiontestapparatus, asshowninFigure4,compri
40、singthefollowingcomponents. 5.2.1 Cylindricalbendingrig, capableofbendingandmaintainingthetestpiecesofshocktubeina”U”form withabendingradiusof(1,60,1)timesthediameteroftheshocktube. 5.2.2 Tankofwater, deepenoughtoallowtheabradedsurfaceofshocktubetobeimmersedto(0,500,05)m .EN137634:2003(E) 9 Dimensio
41、nsinmetres Key 1 Shocktube 2W a t e r 3 Cylindricalbendingrig 4 Rodwithadiameterequaltothediameteroftheshocktube( s ) 5 Abradedsurfaceofshocktubeontheouterradius Figure4Watertankandbendingrig 5.3 Conditioningchamber ,capableofmaintainingthehighesttemperature2 Cclaimedbythe manufacturer. 6 Testpieces
42、 6.1Leadingwires Select10lengthsofleadingwire,eachatleast0,7mlong,from10detonatorshavingthesameleadingwire construction,compositionanddimensions.Thetestpiecescanbeselectedfromdetonators,fromwhichthepieces arecut,orfromwiresofthesamespecificationsuppliedbythemanufacturerofthedetonator. 6.2Shocktubes
43、Select10lengthsofshocktube,each(3,0 0,5)mlong,from10detonatorshavingthesameshocktube construction,compositionanddimensions.Thetestpiecescanbeselectedfromdetonators,fromwhichthepieces arecut,orfromshocktubesofthesamespecificationsuppliedbythemanufacturerofthedetonator. 7Procedure 7.1Conditioning Conditionthetestpiecesintheconditioningchamberatthehighesttemperatureclaimedbythemanufacturer 2 Cfor
