1、BRITISH STANDARD BS EN 13763-9:2003 Explosives for civil uses Detonators and relays Part 9: Determination of resistance to bending of detonators The European Standard EN 13763-9:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-9:2003 This British Standard, was published under the
2、authority of the Standards Policy and Strategy Committee on 19 November 2003 BSI 19 November 2003 ISBN 0 580 42938 5 National foreword This British Standard is the official English language version of EN 13763-9:2003. The UK participation in its preparation was entrusted to Technical Committee CII/6
3、1, 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 document may be found in
4、 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. Users are responsib
5、le 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 change, and keep the U
6、K 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 12, an inside back cover and a back cover. The BSI copyright notice displayed in t
7、his document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN137639 November2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart9: Determinationofresistancetobendingofdet
8、onators ExplosifsusagecivilDtonateursetrelaisPartie9: Dterminationdelarsistancelaflexiondesdtonateurs ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil9:Bestimmungdes WidertandesvonZnderngegenBiegespannung ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtocomplywit
9、htheCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandard
10、existsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmar
11、k,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels
12、2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN137639:2003EEN137639:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Apparatus .6 5 Testpieces. .9 6 Procedure .9 7 Testreport . .10
13、AnnexA (informative) Rangeofapplicabilityofthetestmethod11 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 12EN137639:2003(E) 3 Foreword Thisdocument(EN137639:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“
14、,theSecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEur
15、opeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andre
16、lays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1: Requirements. EN137632 Part2: Determinationofthermalstability. EN137633 Part3: Determinationofsensitivenesstoimpact. EN137634 Part4: Determinationofresistancetoabrasionofleadingwiresandshocktubes. EN137635 Part5: Determinationofresista
17、ncetocuttingdamageofleadingwiresandshocktubes. EN137636 Part6: Determinationofresistancetocrackingatlowtemperaturesofleadingwires. EN137637 Part 7: Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures. EN137638 Part8: Determinationofresistancetovibrationofplai
18、ndetonators. EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays. EN1376312 Part12: Determinationofresistancetohydrostaticpressure. prEN1376313 Part13: Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarge. prEN1376315 Part15: Determinationofequival
19、entinitiatingcapability. prEN1376316 Part16: Determinationofdelayaccuracy. prEN1376317 Part17: Determinationofnofirecurrentofelectricdetonators. prEN1376318 Part18: Determinationofseriesfiringcurrentofelectricdetonators. prEN1376319 Part19: Determinationoffiringimpulseofelectricdetonators. EN1376320
20、 Part20: Determinationoftotalelectricalresistanceofelectricdetonators. prEN1376321 Part21: Determinationofflashovervoltageofelectricdetonators.EN137639:2003(E) 4 prEN1376322 Part22: Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires. EN1376323 Part23: Determinationo
21、ftheshockwavevelocityofshocktube. EN1376324 Part24: Determinationoftheelectricalnonconductivityofshocktubes. prEN1376325 Part25 :Determinationoftransfercapabilityofsurfaceconnectorsandcouplingaccessories. prEN1376326 Part26: Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsaf
22、e functionofdetonatorsandrelays. CEN/TS1376327 Part27: Definitions,methodsandrequirementsforelectronicinitiationsystem. AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,C
23、zechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN137639:2003(E) 5 Introduction Duringuseonsite,detonatorsshellscanbesubjectedtobendingduringtheloadingofboreholes.This
24、test assessestheabilityofdetonatorstoresistthebendingforceslikelytobeexperiencedinnormaluse. 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheresistanceofthedetonatorshelltobending.This standarddoesnotapplytosurfaceconnectors. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedo
25、rundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevisi
26、on.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571:2003, ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025, Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEu
27、ropeanStandard,thetermsanddefinitionsgiveninEN138571:2003andthefollowing apply. 3.1 weakestpointofthedetonator pointfromwheretheoutershellwillbreakwhensubjectedtoa90degreeanglepullingforce NOTE TheprincipleforfindingtheweakestpointisshowninFigure1EN137639:2003(E) 6 Key 1Delayelement 2Primarychargecu
28、p Theweakestpoints Figure1Principleoffindingweakestpointsofthedetonator 4Apparatus 4.1Steelblock(Figure2), withahole( A)ofatleast30mminlength.Thediameteroftheholeshallnotexceed thediameterofthedetonatorbymorethan0,1mm.Theradiusfortheedgeoftheholeshallbe(2 0,1)mm. Key AThediameterofthehole LThelength
29、oftheholeminimum30mm Figure2SteelblockEN137639:2003(E) 7 4.2Weights, capableofapplying(50 0,1)N,withwireattachment. 4.3Removablesupporttable, forsupportingtheweightsasshowninFigure3andFigure4. Key 1Steelblock 2Detonator(shownasanelectricdetonator) 3Ring 4Weight 5Supporttable 6Approx.positionoftheend
30、ofthedelayelementorthebasecharge ADiameterofthehole Figure3AssemblywithdetonatorsupportedatthebaseEN137639:2003(E) 8 Key 1Steelblock 2Detonator(shownasanelectricdetonator) 3Ring 4Weight 5Supporttable 6Approx.positionoftheendofthedelayelement ADiameterofthehole Figure4Assemblywithdetonatorsupportedat
31、thetop 4.4Steelrings asshowninFigure5,tightlyfittingeachendofthedetonator.EN137639:2003(E) 9 Dimensionsinmillimetres Key BTheinnerdiameterofthering,tightlyfittingeachendofthedetonator Figure5Ring 5 Testpieces 5.1Electricdetonators Select26detonatorswiththelongestshellfromaspecifictypewiththesamedesi
32、gnandcompositions. 5.2Nonelectricdetonators Select26detonatorswiththelongestshellfromaspecifictypewiththesamedesignandcompositions. 5.3Plaindetonators Select25detonatorswiththelongestshellfromaspecifictypewiththesamedesignandcompositions. 6Procedure 6.1Electricdetonators 6.1.1 Electricdetonatorssupp
33、ortedatthebase Test13detonators.Marktheweakestpointatthebase(seeFigure1).Insertthedetonator,basefirst,intothesteel blocktotheweakestpoint.Resttheweightonthesupporttablesothatnoforceisappliedtothedetonator.Attach thewireandringtotheendoftheprotrudingpartofdetonator,asshowninFigure3.Slowlylowerthesupp
34、orttable sothatadownwardforceisapplied.Continuetolowerthetableuntilthedetonatorisfullysupportingtheweight. Maintaintheloadforatleast5s. Recordanyinitiationofthedetonatororcrackingorbreakingoftheshell. 6.1.2 Electricdetonatorssupportedatthetop(onlyfordetonatorswithdelayelement) Test13detonators.Markt
35、heweakestpointatthetop(seeFigure1).Insertthedetonator,topfirst,intothesteel blocktotheweakestpoint.Resttheweightonthesupporttablesothatnoforceisappliedtothedetonator.Attach thewireandringtotheendoftheprotrudingpartofdetonator,asshowninFigure4.Slowlylowerthesupporttable sothatadownwardforceisapplied.
36、Continuetolowerthetableuntilthedetonatorisfullysupportingtheweight. Maintaintheloadforatleast5s. Recordanyinitiationofthedetonatororcrackingorbreakingoftheshell.EN137639:2003(E) 10 6.2Nonelectricdetonators 6.2.1 Nonelectricdetonatorssupportedatthebase See6.1.1 6.2.2 Nonelectricdetonatorssupportedatt
37、hetop Test13detonators.Choosethelengthofinsertioninthefollowingway: a) ifabovethedelayelementisnootherexplosiveorpyrotechnicalmaterialthantheshocktube,thelengthis fromthetopofshelltotwomillimetresabovethedelayelement. b) ifthereisapyrotechniccompositionabovethedelayelementthelengthisfromtopoftheshel
38、ltothemiddleof thiscomposition. Marktheweakestpointatthetop(seeFigure1).Insertthedetonatortopfirst,intothesteelblockwiththechosen lengthinsidethehole.Resttheweightonthesupporttablesothatnoforceisappliedtothedetonator.Attachthe wireandringtotheendoftheprotrudingpartofdetonator,asshowninFigure4.Slowly
39、lowerthesupporttableso thatadownwardforceisapplied.Continuetolowerthetableuntilthedetonatorisfullysupportingtheweight. Maintaintheloadforatleast5s. Recordanyinitiationofthedetonatororcrackingorbreakingoftheshell. 6.3Plaindetonators 6.3.1 Plaindetonatorssupportedatbase Test25detonators.Insertthedeton
40、ator,basefirst,intothesteelblocktotheweakestpoint.Resttheweightonthe supporttablesothatnoforceisappliedtothedetonator.Attachthewireandringtotheendoftheprotrudingpart ofdetonator,asshowninFigure3.Slowlylowerthesupporttablesothatadownwardforceisapplied.Continueto lowerthetableuntilthedetonatorisfullys
41、upportingtheweight.Maintaintheloadforatleast5s. Recordanyinitiationofthedetonatororcrackingorbreakingoftheshell. 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a) numberofinitiations; b) numberofdetonatorsshowingcracksintheshell; c) lengthofthed
42、etonatorsinsertedintothesteelblockineachtest.EN137639:2003(E) 11 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityoftestmethod:30 Cto+80 C.EN137639:2003(E) 12 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirecti
43、ves ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsupportsessentialrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisstandardarelikelytosupportrequirementsI.1,I.2,II.1.(i)andII.1.(j)ofD
