1、BRITISH STANDARD BS EN 13763-6:2003 Explosives for civil uses Detonators and relays Part 6: Determination of resistance to cracking in low temperatures of leading wires The European Standard EN 13763-6:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-6:2003 This British Standard,
2、was published under the authority of the Standards Policy and Strategy Committee on 19 November 2003 BSI 19 November 2003 ISBN 0 580 42935 0 National foreword This British Standard is the official English language version of EN 13763-6:2003. The UK participation in its preparation was entrusted to T
3、echnical 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
4、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 provisions of a contr
5、act. 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 fo
6、r 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 9 and a back cover. The BSI copyright notice displayed in
7、this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN137636 November2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart6: Determinationofresistancetocrackinginl
8、owtemperaturesof leadingwires ExplosifsusagecivilDtonateursetrelaisPartie6: Dterminationdelarsistancelafissurationdesfils damorcesbassetemprature ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil6:Bestimmungdes WiderstandesderIsolationvonZnderdrhtengegen RissbildungbeiniedrigenTemperature
9、n ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standards
10、maybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official ve
11、rsions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORM
12、ALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN137636:2003EEN137636:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 5 2 Normativereferences 5 3 Terms
13、anddefinitions. .5 4 Testpieces. .5 5 Apparatus .6 6 Procedure .6 7 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives. . 9EN137636:2003(E) 3 Foreword Thisdocume
14、nt(EN137636:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewith
15、drawnatthelatestby May2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. ThisEuropeanStand
16、ardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistan
17、cetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationofresistancetovibrationofplaindetonators
18、EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarg
19、e prEN1376315 Part15:Determinationofequivalentinitiatingcapability prEN1376316 Part16:Determinationofdelayaccuracy prEN1376317 Part17:Determinationofnofirecurrentofelectricdetonators prEN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators prEN1376319 Part19:Determinationoffiringimp
20、ulseofelectricdetonators EN1376320 Part20:Determinationoftotalelectricalresistanceofelectricdetonators prEN1376321 Part21:Determinationofflashovervoltageofelectricdetonators prEN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wiresEN137636:2003(E) 4 EN13
21、76323 Part23:Determinationoftheshockwavevelocityofshocktubes EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktubes prEN1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectorsandcouplingaccessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccess
22、oriesforreliableandsafe functionofdetonatorsandrelays. CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStand
23、ard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN137636:2003(E) 5 Introduction Duringusageonsite,leadingwiresofelectricdetonatorscanexperiencecon
24、ditionswhichcanproducecrackingof theinsulation,forinstancewhenkinksorloopsoninsulatedleadingwiresaresubjectedtoasuddentractionunder coldconditions.Plasticsmaterialsgenerallybecomemorebrittleastemperaturedecreases.Thisstandarddeals withtheabilityofleadingwireinsulationtoresisttheconditionslikelytobee
25、xperiencedinnormaluse. 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheresistancetocrackingatlowtemperaturesof leadingwireinsulationofdetonators.Thismethodisonlyapplicabletoelectricdetonatorswithplasticcovered leadingwires. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedoru
26、ndatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision
27、.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571:2003; ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025;Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisE
28、uropeanStandard,thetermsanddefinitionsgiveninEN138571:2003apply. 4 Testpieces Select20piecesofwire,length(50050)mm,ofeachtype,compositionanddimensionofleadingwire.Thetest piecescanbeselectedfromdetonators,fromwhichthepiecesarecut,orfromwiressuppliedbythemanufacturer.EN137636:2003(E) 6 5Apparatus 5.1
29、Temperaturecontrolledchamber, capableofmaintainingaspecifiedtemperatureto2 C,deepenough toallowthewiretobefullyextended. 5.2Rigidframe, forfixingthewires. 5.3Mass of(50010)g . 5.4Releasesystem, fortheweight(forexampleelectromagneticallyoperated). 6Procedure Markalengthof(30010)mmonthetestpieceabout1
30、00mmfromtheendsofthetestpiece.Makethreekinks inthetestpiece,eachwithaninnerdiameterbetweenoneandtwotimestheouterdiameteroftheinsulatedwire: oneinthemiddleofthemarkedlength(150+10)mmfromthemarkedpointsandtheothers50mmto60mm fromthekinkinthemiddleofthetestpiece,asshowninFigure1andFigure2.Ifthedetonato
31、rleadingwiresare thetwinextrudedtype,bothwiresshallbetestedtogether. Key 1Frame 2Attachmenttoframe 3Releasesystem 4Weight 5Leadingwire 6Kinks Figure1SchematicdiagramoftestingarrangementEN137636:2003(E) 7 Key 1Leadingwire 2Innerdiameterofthekink Figure2Detailofakink Makea300mmloopbyfixingonemarkedend
32、ofthetestpiecetotheframeandtheotherendtotheweight. Conditionthetestpiecesforandleast1hatatemperaturenotgreaterthanthelowesttemperatureclaimedbythe manufacturer.Maintainthistemperaturewithin+2 Cforthedurationofthetest. Releasetheweightandallowittofallfreely. Determinewhetheranythroughcrackingoftheins
33、ulationhasoccurredbyvisualexamination. 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a) thenumberoftestpieceswithcracks; b) thetemperatureduringtesting.EN137636:2003(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicab
34、ilityofthetestmethod: applicabledownto30 C.EN137636:2003(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives. ThisEuropeanstandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsu
35、pportsessentialrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisstandardarelikelytosupportrequirementsI.1,I.2,II.1.(g),II.1.(j)andII.2.C.(f)ofDirective 93/15/EEC. Compliancewiththissta
36、ndardprovidesonemeansofconformingwiththespecificessentialrequirementsofthe DirectiveconcernedandassociatedEFTAregulations.BS EN 13763-6:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It
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