EN 13763-3-2002 en Explosives for civil uses Detonators and relays Part 3 Determination of sensitiveness to impact《民用爆炸物 雷管和继电器 第3部分 冲击灵敏度的测定》.pdf

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1、BRITISH STANDARD BS EN 13763-3:2002 Explosives for civil uses Detonators and relays Part 3: Determination of sensitiveness to impact The European Standard EN 13763-3:2002 has the status of a British Standard ICS 71.100.30 BS EN 13763-3:2002 This British Standard was published under the authority of

2、the Standards Policy and Strategy Committee on 8 May 2003 BSI 8 May 2003 ISBN 0 580 41822 7 National foreword This British Standard is the official English language version of EN 13763-3:2002. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil u

3、ses, 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 the BSI Catalogue under

4、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 responsible for its correct applic

5、ation. 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 UK interests informed; mon

6、itor 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 15 and a back cover. The BSI copyright date displayed in this document indicates when the document was last

7、 issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN137633 September2002 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart3: Determinationofsensitivenesstoimpact ExplosifsusagecivilDtonateursetrelaisPartie3: Dter

8、minationdelasensibilitauchoc ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil3:Bestimmungder Schlagempfindlichkeit ThisEuropeanStandardwasapprovedbyCENon1August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardt

9、hestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nsla

10、tion undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Po

11、rtugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN137633:20

12、02EEN137633:2002(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Apparatus .5 5 Testpieces. .6 6 Procedure .7 7 Testreport . .8 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9 AnnexB (normative) IllustrationsoftheBAMfallhammer 10 AnnexZA (informa

13、tive) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives. . 15EN137633:2002(E) 3 Foreword Thisdocument(EN137633:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhe

14、statusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociation,andsuppor

15、tsessentialrequirementsofEUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Pa

16、rt1:Requirements. EN137632 Part2:Determinationofthermalstability. prEN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes. prEN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes. prEN137636 Part6:Determinationofresistancetocrackinginlowtemperatur

17、esofleadingwires. prEN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures. prEN137638 Part8:Determinationofresistancetovibrationofplaindetonators. prEN137639 Part9:Determinationofresistancetobendingofdetonators. prEN1376310 Part10:Determinationof

18、resistancetotorsionofsealingplugs. prEN1376311 Part11:Determinationofdropresistanceofdetonatorsandrelays. prEN1376312 Part12:Determinationofresistancetohydrostaticpressure. prEN1376313 Part13:Determinationofresistanceofelectricdetonatortoelectrostaticdischarge. prEN1376314 Part14:Determinationofresi

19、stanceofelectricdetonatortotheinfluenceofradiofrequency radiation. prEN1376315 Part15:Determinationofequivalentinitiatingcapability. prEN1376316 Part16:Determinationofdelayaccuracy. prEN1376317 Part17:Determinationofnofirecurrentofelectricdetonators. prEN1376318 Part18:Determinationofseriesfiringcur

20、rentofelectricdetonators. prEN1376319 Part19:Determinationoffiringpulseofelectricdetonators. prEN1376320 Part20:Determinationoftotalresistanceofelectricdetonators.EN137633:2002(E) 4 prEN1376321 Part21:Determinationofflashovervoltageofelectricdetonators. prEN1376322 Part22:Determinationofcapacitance,

21、insulationresistanceandinsulationbreakdownofleading wires. EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube. EN1376324 Part24:Determinationofthenonconductivityofshocktube. prEN1376325 Part25:Determinationoftransfercapacityofrelayandcouplingaccessories. prEN1376326 Part26:Definitions,m

22、ethodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays. prCEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystem. AnnexAisinformativeandannexBisnormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizatio

23、nsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN137633:2002(E) 5 1Scope ThisEuropeanStandardspecifi

24、esmethodsforcheckingthatplaindetonators,electricdetonators,nonelectric detonators,surfaceconnectors,shocktubesanddetonatingcordrelayswillnotexplodewhensubjectedtoan impactunderspecifiedconditions. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpubl

25、ications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionof

26、the publicationreferredtoapplies(includingamendments). prEN138571, ExplosivesforcivilusesPart1:Terminology . prEN137631, Explosivesforciviluses.DetonatorsandrelaysPart1:Requirements. ENISO4957:1999, Toolsteels(ISO4957:1999) . ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationl

27、aboratories(ISO/IEC 17025:1999). ISO1052:1982, Steelsforgeneralengineeringpurposes . ISO6839:1988, Heattreatablesteels,alloysteelsandfreecuttingsteelsPart9:Wroughtfreecuttingsteels. ISO68317:1999, Heattreatedsteels,alloysteelsandfreecuttingsteelsPart17:Ballandrollerbearingsteels. 3 Termsanddefinitio

28、ns ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN138571andthefollowing apply: 3.1 dropheight distancebetweenthelowestpartofthestrikingheadofthedropweightandtheuppermostpartofthepercussion cylinder 3.2 ignitionsystem electricalresistanceheatingwiresurroundedbyanincendiarymater

29、ial 4 Apparatus 4.1 Electric,nonelectricandplaindetonators 4.1.1 General Theapparatusisadrophammer(e.g.theBAMfallhammer),comprisingacaststeelblockwithbase,amainanvil andanintermediateanvil,alocatingplate,aguidepiece,apercussioncylinder,acolumn,guidesandadrop weightwithareleasemechanismandastrikinghe

30、ad.EN137633:2002(E) 6 4.1.2 Drophammer Asteelanvilisscrewedontothesteelblockandcastbase.Thesteelusedfortheintermediateanvilandthemain anvilisofthesametypeasforthestrikingheadofthedropweight(see4.1.3.).Thepercussioncylinderisaroller bearingwithpolishedsurfacesandroundededges,andismadeofsteeloftypeB11

31、00Cr6asdefinedbyISO683 17:1999.Thesupportontowhichthecolumnisfixed(madefromaseamlessdrawnsteeltube)isboltedtotheback ofthesteelblock. NOTE FigureB.1showsthearrangementoftheBAMfallhammer(theanvil,thesteelblockandthecolumn) FigureB.2showsthearrangementofthelowerpartoftheBAMfallhammer. FigureB.3showsth

32、edimensionsoftheguidepieceandthepercussioncylinder. Thetwoguideswhicharefixedtothecolumnbymeansofthreecrosspiecesarefittedwithatoothedrack,tolimit thereboundofthedropweight,andamoveablegraduatedscaleforadjustingthedropheight.Theguidesshallbe vertical. Thedropweightreleasemechanismisadjustablebetween

33、theguidesandisclampedtothembytheoperationofa levermechanism. Theapparatusshallbefirmlysecuredtoaconcreteblock,withminimumdimensionsof(0,60,60,6)m,by meansoffouranchoringbolts. 4.1.3 Dropweight Thedropweighthasamassof(2000 2)gandisprovidedwithtwolocatinggroovestoholditbetweentheguides asitdrops.Asusp

34、ensionspigot,aremovablecylindricalstrikingheadandareboundcatcharescrewedontothe dropweight. NOTE FigureB.4showsthedesignofthedropweightoftheBAMfallhammer. Theremovablestrikingheadismadefromhardenedsteelconformingtotype90MnCrV8inENISO4957:1999 withpolishedsurfaceandadiameterof25mm. Thereleasemechanis

35、mshallbecontrolledremotely. 4.2 Detonatingcordrelays,surfaceconnectorsandshocktube Impacttestingapparatus,consistingofa(5,0 0,01)kgsteelhammerwhichcanbedroppedfreelyfromaset height,insideaguidetubeontoasteelplateandanvilcontainingthedevicetobetested.Theanvilshallrestona concretefloor. NOTE FigureB.5

36、showsthearrangementoftheimpacttestingapparatus. ThehammerismadeofsteeloftypeB1100Cr6asdefinedbyISO68317:1999.Theplatesaremadeofsteelof typeFE4902asdefinedbyISO1052:1982.Theanvilismadeofsteeloftype46S20asdefinedbyISO683 9:1988. 5 Testpieces 5.1 Electricdetonators Select50detonatorsofaspecifictype,who

37、sefuseheadsorotherignitionsystemshavesamecompositionand constructionofrelevantpartsaroundthefuseheadorotherbridgwireignitionsystem,andwhoseprimarycharges (ortheelementwhichperformsthesamefunctionasaprimarycharge)havethesamecompositionanddesign.If thedetonatorsformpartofaserieswithdifferentdelaytimes

38、,select50detonatorswithdelaytimesdistributedas evenlyaspossiblethroughouttheseries.EN137633:2002(E) 7 5.2 Nonelectricdetonators Select25detonatorsofaspecifictype,whoseprimarycharges(ortheelementswhichperformthesamefunction asaprimarycharge)havethesamecompositionanddesign.Ifthedetonatorsformpartofase

39、rieswithdifferent delaytimes,select25detonatorswithdelaytimesdistributedasevenlyaspossiblethroughouttheseries. 5.3 Plaindetonators Select25detonatorsofaspecifictype,whoseprimarychargeshavethesamecompositionanddesign. 5.4 Detonatingcordrelaysandsurfaceconnectors Select25relaysorsurfaceconnectorsofthe

40、samedesign.Iftherelaysorsurfaceconnectorsformpartofaseries withdifferentdelaytimes,select50relaysorsurfaceconnectorswithdelaytimesdistributedasevenlyaspossible throughouttheseries. 5.5 Shocktube Select25pieces,eachwithalengthofatleast200mm,ofaspecifictypeofshocktube. 6 Procedure 6.1 General Carryout

41、theBrucetonupanddowntest,asdescribedinprEN137631. Ifnoexplosionoccursatthemaximumheightoftheapparatus(2mfortheapparatusdescribedin4.1and12mfor theapparatusdescribedin4.2),testthenextpieceatthesameheight.Continuetheprocedureuntilalltestpieces havebeentested. 6.2 Electricdetonators 6.2.1 Impactonthefu

42、seheadorotherignitionsystem Test25detonatorsinthisposition.Markthelocationofthefuseheadorotherignitionsystemontheoutsideofthe detonatorandplacethedetonatorintheimpacttestingapparatus(4.1),sothatthefuseheadorotherignition systemispositionedbetweenthepercussioncylinderandtheintermediateanvil.Droptheha

43、mmerfromthe specifiedheight(withatoleranceof 5mm)andobservewhetherthedetonatorexplodes. 6.2.2 Impactontheprimarycharge Test25detonatorsinthisposition.Markthelocationoftheprimarychargeontheoutsideofthedetonatorand placethedetonatorintheimpacttestingapparatus(4.1),sothattheprimarychargeispositionedbetweenthe percussioncylinderandtheintermediateanvil.Dropthehammerfromthespecifiedheight(withatoleranceof 5 mm)andobservewhether