1、BSEN12980:2000rllusBritishStandard,havingbeenpreparedundertheduectionoftheConsumerProductsandServicesSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15June2000BSI06-2000ISBN0580346129NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN129

2、80:2000.TheUKpart,icipationmitspreparationwasentrustedtoTeclmicalCommitteeCW/29,Tableware,whichhastheresponsibihtyto:-aidenquirerstounderstandthetext;-presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptXeUKinterestsinformed;-monitorrelatedinternation

3、alandEuropeandevelopmentsandpromulgatethemmtheUK.Alistoforganizationsrepresentedonthisconunitteecanbeobtamedonrequesttoitssecretar3t.Cross-referencesTheBritishStandardswhichimplementintemationalorEuropeanpublicationsreferredtointhisdocumentmaybeformdmtheBSIStandardsCataloguetmderthesectionentitledht

4、emationalStandardsCorrespondencehidex,orbyusmgtheFind份cilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurport,tomcludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircoyrrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfro

5、mlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2t010,anmsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocnentmdicateswhenthedocrunentwaslastissued.AmendmentsissuedsincepublicationIllI1111llllEUROPEANSTANDARDEUROPAISCHENORMEN12

6、980March2000ICS67.250EnglishversionMaterialsandarticlesincontactwithfoodstuffs-Non-metallicarticlesforcateringandindustrialuse-MethodoftestforthedeterminationofimpactresistanceMateriauxetarticlesencontactaveclesdenreesalimentaires-Objetsnonmetalliquesausageindustriepourlacuisineetletransportdenourri

7、ture-MethodedessaipermettantdedeterminerlaresistanceauchocThisEuropeanStandardwasapprovedbyCENon18February1999WerkstoffeundGegenstandeinKontaktminLebensmitteln-NichtmetallischeGegenstandefurgastronomischeundgewerblicheZwecke-VerfahrenzurBestimmungdesSchlagwiderstandesGENmembarsareboundtocomplywithth

8、eCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalref8rencesconcerningsuchnationastandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexist

9、sinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficiaversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland

10、,France,Germany,GreeceIceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEUROPAISCHESKOMITEEFURNORMUNGCentralSecretariat:ruedeStassart,36B-1050Brussels2000CENAllrightsofexploitationinan

11、yformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12980:2000ELUPage2EN12980:2000ContentsForewordScopeNormativereferencesPrincipleSamplingApparatusProcedureTestreportTablel-RelationshipbetweenangulardisplacementcrandheightoffallhTable2-Relationshipbetweenangulardisplacementcrandimpact

12、velocityvfordifferentlengthsofpendulumtTable3-Relationshipbetweenheightoffallh,massofhammermandimpactenergyEForewordPage2233445689ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC194,Utensilsincontactwithfood,theSecretariatofwhichisheldbyBSI.ThisEuropeanStandardshallbegiventhestatusofana

13、tionalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbySeptember2000,andconflictingnationalstandardsshallbewithdrawnatthelatestbySeptember2000.Accordingto.theCEN/CENELECIntemalRegulations,thenationalstandardsorganizationsofthefolleowingcountriesareboundtoimple:entthisEuropea

14、nStandard:Austr7a:Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ScopeThisstandardgivesamethodoftestfordeterminationoftheresistancetomechanicalshocksofarticlesusedincateringandindust

15、rialserviceswheretheyaresubjectedtosubstantialandfrequentshocks.ItiswellknnthattheresultsofthistestproceduredependuponthedetailsofthetestconditionsOXeresultsthereforecannotbegeneralizedforotherutensilsmadeofthesamematerial,nortoothertestconditions.Theresultsareonlyvalidforthearticleandtestconditions

16、specifiedinthetestreport.i)SeepaperbyROHeck:roodtandVFrith,Impactstrengthandchippingresistanceofdinnerplates,Interceram39,N02pp32-341990.BSl06-2000NormativereferencesPage3EN12980:2000ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.Thesenormativereferencesare

17、citedattheappropriateplacesinthetextandthepublicationsarelistedhereafier.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredtoappliesincluding

18、amendments.EN10109-1,Metallicmaterials-Hardnesstest-Partl:Rockwelltest(scalesA,B,C,D,E,F,G,H,andK)andRockNvellsuperficialtest(scales15N,30N,45N,15T,30Tand45T).PrincipleThemethodusesanimpacttestingmachinethatsubjectsthearticletobetestedtoablowfromahammerofmassm,ontheendofapendulumofnegligiblemassandl

19、ength/raisedtoananglecrfromtheverticalanciletfallfromaheighthatavelocit)rv.Therelationshipsbetweenm,l,h,crandvaregivenbytheequations:辦=/(1-cos剴(1)(2)Thekineticenergyoftheshock(theimpactenergy,E)isexpressedbytherelationships:anC【EmghE=1/277rlV(3)(4)andrepresentsameasureoftheresistanceofthearticleunde

20、rtesttotheshockadministeredwnere：histheheightoffallofthehammer,inmetres,isthelengthofthependulumarm,inmetres,aistheangulardisplacementofthearmfromthevertical,inde&ees;visthevelocityoffallofthehammer,inmetrespersecond,gistheaccelerationdueto鏟avity(=9,81IIl,S-2);misthemassofthependulumhammerincludingt

21、hearm,inkilogj:ams;Eistheimpactenergy,injoules.BSl06-2000Page4EN12980:2000NOTE:Thevelocityoffallisusuallynotlessthan0,2m.s.l.SamplingThesamplesizeshallbeaminimumoftentestspecimens.NOTE:Thesamplingplanshouldbeagreedbythepurchaserand/orsupplierandrecordedinthetestreportsee7c).ApparatusPendulumimpactte

22、stingmachine,consistingofthefollowingcomponents,allofwhicharemetal,assembledasshowndiagrammaticallyinFigurel.5.1Apendulumswingingonahorizontalpivot,comprisingarigidlightweightmetalarmwitharadiusofswingof0,2mt00,7mandahammerofmass0,1kgt01,0kgwhichconstitutesthemajorpartofthecombinedmassofthependulur-

23、nandhammer.Thecentreofgravityofthependulummaythereforebeconsideredtobecoincidentwiththatofthehammer.Thehammerhasaninterchangeablestrik/ngheadmadefromasteelofhardness55to65HRC(conformingtoEN10109-1).Thestrikingfaceoftheheadisnormallysphericalinshapebutotherprofilesmaybeused.NOTE:Thet)r)eoftheheadisch

24、osenaccordingtotheshapeofthearticletobetested.5.2Amechanism(optional)toraisethependulumtothedesiredheightandtotriggeritsfall.5.3Adialtomeasuretheangulardisplacementofthependulumfromtheverticaland/orthecorrespondingheightoffallhandimpactenergyE.5.4Acolumntosupportthependulumandthedial.5.5Asupportwhic

25、hpermitsatestspecimentobeheldontheapparatusinadefinedposition.NOTE:Thesupportshouldbedesignedtoadjustthespecimenvertically,horizontallyand/ortilted.5.6Asupportingfixture,whichpermitsatestspecimentobeheldontheapparatusbyammimumrestrainingforcewhenitisnecessar)rtopreventmovementofthespecimenonimpact.N

26、OTE:ThesupportingfixturemayhavetheshapeofaVwithanangleof1200.5.7Aprotectivescreentoprotectpersonnelagainstsplinters.BSl06-2000EN12980:20005.8Aheavylevelbase,onwhichthecomponentsofthetestingmachinearemounted.NOTE:Themosteffectivewaytoprovideforanabsolutelyrigidbaseistofixittothefloor.ProcedureUseTabl

27、esl,2and3tochoosetheappropriateconditionstoperformthetest.Placethetestspecimenontheapparatussothatthehammerintherestingpositiontouchesitatthedesiredpointofimpact,makingsurethatthespecimenisagainstthesupportingfixture(5.6)ifapplicable.Closetheprotectivescreen,liftthependulumtotheheightcorrespondingto

28、thechosenenergyofimpact.Releasethependulum.Examinethearticleundertest.TestreportThetestreportshallincludethefollowinginformation:a)b)c)ci)h)j)Page7descriptionofthearticlesundertest;thenumberofarticlesinthelottobetested;thesamplingplanandtheprocedureforselectingtestspecimensfromthelot,thenumberofarti

29、clestested,meanvalueandscatteroftheresultsfortestingbyvariables;anyotherrelevantdetailsofthetestprocedure.EN12980:2000Tablel-Relationshipbetweenangulardisplacementcrandheightoffallhfordifferentlengthsofpendulum/IIAngular|Lengthofpendulum/(inm)|T|Tdisplacement|1iiiii|O，2|0，3|0,4|0,5|0,6|0,7|1iiiiiIad

30、egrees|Heightoffallh(inm)|T|0O,OOO1|O,OOO|O,OOO|O,OOO|O,OOO|O,OOO|1111111T|5|1111111|O,OOl|0,001|0,002|0,002|0,002|0,0031111111T|101111111|0,003|0,005|0,006|0,008|0,009|0,011|1111111T|151111111|0,007|0,010|0,014|0,017|0,020|0,024|1111111T|20|i111111|0,012|0,018|0,024|0,030|0,036|0,042111111II|IT1251

31、1|0,0191|0,0281|10,038|10,047|10,056|10,0661111111T|3011|0,027|0,040|0,054|0,067|0,080|0,0941111111111111T|35|0,036|0,054|0,072|0,091|0,109|0,127|11111111111111T|40|0,047|0,070|O094|0,117|0,140|0,164|11111111111111T|45|1|0,059|0,088|0,117|0,147|0,176|0,2051111111111111T|50|1|0,071|0,107|0,143|0,179|

32、0,214|0,2501111111111111T|55|0,085|0,128|0,170|0,213|0,256|0,298|11111111111111T|60|1|0,100|0,150|0,200|0。250|0,300|0,3501111111111111T|65|1|0,115|0,173|0,231|0,289|0,346|0,4041111111111111T|70|1|0,132|0,197|0,263|01329|0,395|0,4611111111111111T|75|1|0,148|0,222|0,296|0,371|0,445|0,5191111111111111T

33、|80|0,165|0,248|0,330|0,413|0,496|0,578II85|0,183|0,274|0,365|0,457|0,548|0,639II|90|0,200|01300|O400|0,500|0,600|0,700|ITOC o 1-5 h z|95|0,217|0,326|0,435|0,544|0,652|0,761|I|100|0,235|0,352|0,470|0,587|0,704|0,822|I|105|0,252|0,378|0,504|0,630|0,755|0,881|I|110|0,268|0,403|0,537|0,671|0,805|0,939|

34、I|115|0,285|0,427|0,569|0,712|0,854|0,996|I|120|0,300|0,450|0,600|0,750|0,900|1,050|I|125|0,315|0,472|0,630|0,787|0,944|1,102|I|130|0329|0,493|0,657|0,822|0,986|1,150|I|135|0341|0,512|0,683|0,854|1,024|1,195|140|0,353|0,530|0,706|0,883|1,060|1,236|145|0364|0,546|0,728|0,910|1,091|1,273T|1501I01373|0

35、,560|0。46|0,933|1,120|1,306|1111111T|1551111111|01381|0,572|0,762|0,953|1,144|1,334|1111111T|1601111111|0,388|0,582|0,776|0,970|1,164|1,358|1111111T|1651111111|0,393|0,590|0,786|0,983|1,180|1,376|1111111T|170|1111111|0397|0,596|0,794|0,993|1,191|1,3901111111T|175|1111111|0399|0,599|0,798|0,998|1,198

36、|1,3971111111_1|1801111111|0,400|0,600|O800|1,000|1,200|1,400|11IlliIBSl06-2000Page8EN12980:2000Table2-Relationshipbetweenangulardisplacementcrandimpactvelocityvfordifferentlengthsofpendulum/IIAngular|Lengthofpendulum/anm)|displacement|1111111|0,2|0，3|0,4|0,5|0,6|0,71111111|1crdegrees|velocityoffall

37、vCnms-1)I|1I0|0,000|0,000|0,000|0,000|0,000I0,000|1|5|0,125|0,153|0,177|0,198|0,217|0,234|1|10|0,243|0,297|0,343|01384|0,420|0,454|1|15|0,365|0,447|0,517|0,578|0,633|0,683|1|20|0,485|0,594|0,686|0,767|0,840|0,908|1|25|0,607|0,744|0,859|0,960|1,052|1,136|1|30|0,725|0,888|1,025|1,147|1,256|1,357|1|35|

38、0,843|1,032|1,192|1,333|1,460|1,577|1|40|0,958|1,174|1355|1,515|1,660|1,793|1|45|1,072|1,313|1,516|1,695|1,857|2,0061|50|1,184|1,450|1,674|1,871|2,050|2,214II|1TOC o 1-5 h zI55|1,293|1,583|1,828|2,044|2,239|2,4191|60|1,401|1,716|1,981|2,215|2,426|2,620|1|65|1,505|1,843|2,128|2379|2,606|2,815|1|70|1,

39、607|1,968|2,272|2,541|2,783|3,006|1|75|1,705|2,088|2,412|2,696|2,953|3,190|1|80|1,800|2,205|2,546|2,847|3,118|31368|1|85|1,893|2,318|2,677|2,993|3,278|3,541|1|90|1,981|2,426|2,801|3,132|3,431|3,706|1|95|2,065|2,529|2,921|3,265|3,577|3,864|1|100|2,146|2,629|3,035|3,394|3,718|4,0151|105|2,223|2,722|3,

40、143|3,514|3,850|4,1581I110|2,295|2,811|3,245|3,628|3,975|4,2931|115|2,363|2,894|3,342|3,736|4,093|4,421|1|120|2,426|2,971|3,431|3,836|4,202|4,539|1|125|2,485|3,044|3,515|3,929|4,305|4,649|1|130|2,539|3,110|3,591|4,015|4398|4,750|1|135|2,588|3,170|3,660|4,092|4,483|4,842|1|140|2,632|3,224|3,723|4,162

41、|4,560|4,925|1|145|2,672|3,272|3,778|4,224|4,627|4,998|1|150|2,706|3,314|3,827|4,278|4,687|5,062|1|155|2,735|3,349|3,868|4,324|4,737|5,1161|160|2,759|3,379|3,902|4,362|4,779|5,1620,687|0,785|0,883|0,981|II1TOC o 1-5 h zI165|2,778|3,402|3,928|4392|4,811|5,1961|170|2,791|3,418|3,947|4,413|4,834|5,221|

42、1|175|2,799|3,428|3,958|4,425|4,847|5,236|1|180|2,801|3,431|3,962|4,429|4,852|5,241|IBSl06-2000Page9EN12980:2000Table3-Relationshipbetweenheightoffttllh,massofhammermandimpactenergyEI|Height|Massofhammering|offallh|TOC o 1-5 h z|Iiiiiir1111|(inm)|0,1|0,2|0,3|0,4|0,5|0,6|0,7|0,8|0,9|1,0|IIIIIL1111|Im

43、pactenergy(inJ)|1111|0,05|0,049|0,098|0,147|0,196|0,245|0,294|0,343|0,392|0,441|0,491|0,100,098|0,196|0,294|0,392|0,491|0,589|0,15|0,147|0,294|0,441|0,589|0,736|0,883|1,030|1,177|11324|1,472|0,20|0,196|01392|0,589|0,785|0,981|1,177|1,373|1,570|1,766|1,962|0,25|0,245|0,491|0,736|0,981|1,226|1,472|1,7

44、17|1,962|2,207|2,453|0,30|0,294|0,589|0,883|1,177|1,472|1,766|2,060|2,354|2,649|2,943|0135|0343|0,687|1,030|11373|1,717|2,060|2,403|2,747|3,090|3,434|0,40|0,392|0,785|1,177|1,570|1,962|21354|2,747|3,139|3,532|3,924|0,45|0,441|0,883|11324|1,766|2,207|2,649|3,090|3,532|3,973|4,415|0,50|0,491|0,981|1,4

45、72|1,962|2,453|2,943|3,434|3,924|4,415|4,905|0,55|0,540|1,079|1,619|2,158|2,698|3,237|3,777|4,316|4,856|51396|0,60|0,589|1,177|1,766|2,354|2,943|3,532|4,120|4,709|5,297|5,886|0,65|0,638|1,275|1,913|2,551|3,188|3,826|4,464|5,101|5,739|61377|0,70|0,687|11373|2,060|2,747|3,434|4,120|4,807|5,494|6,180|6

46、,867|0,75|0,736|1,472|2,207|2,943|3,679|4,415|5,150|5,886|6,622|71358|0,80|0,785|1,570|2354|3,139|3,924|4,709|5,494|6,278|7,063|7,848|0,85|0,834|1,668|2,502|3,335|4,169|5,003|5,837|6,671|7,505|81339|0,90|0,883|1,766|2,649|3,532|4,415|5,297|6,180|7,063|7,946|8,829|0,95|0,932|1,864|2,796|3,728|4,660|5

47、,592|6,524|7,456|8,388|91320|1,00|0,981|1,962|2,943|3,924|4,905|5,886|6,867|7,848|8,829|9,810|1,05|1,030|2,060|3,090|4,120|5,150|6,180|7,210|8,240|9,270|101301|1,10|1,079|2,158|3,237|41316|5,396|6,475|7,554|8,633|9,712|10,791|1,15|1,128|2,256|31384|4,513|5,641|6,769|7,897|9,025|10,153|11,282|1,201,1

48、77|2354|3,532|4,709|5,886|7,063|8,240|9,418|10,595|11,772|1F-FF1FFFFFFFFF1|1,25|1,226|2,453|3,679|4,905|6,131|7,358|8,584|19,810|11,036|12,263|1FFFFFF1FFFFFFFFFFFFFF1|1,30|1,275|2,551|3,826|5,101|61377|7,652|8,927|110,202|11,478|12,753|1FFFFFF1FFFFFFFFFFFFFF1|1,35|1,324|2,649|3,973|5,297|6,622|7,946

49、|9,270|110,595|11,919|13,244|1FFFFFF1FFFFFFFFFFFFFF1|1,40|1,373|2,747|4,120|5,494|6,867|8,240|9,614|110,9871|12,3611|13,7341|1111BSl06-2000Page10EN12980:2000LegendSidcvicwTopviewDialPendulumarmArticleundertestSupportingfixtureSupporttoholdtheitcmundcrtcstHammerColumntosupportpendulumanddialBascAngul

50、ardisplacementFigurel-PendulumimpacttestingmachineBSl06-2000ab.2mtLr,or-o09BSEN12980:2000BSI389ChiswickI-hghRoadLondonW44ALBSI一BritishStandardsInstitutionBSIisthemdependentnationalbodyresponsibleforpreparirgBritishStandards.ItpresentstheUKviewonstandardsinEuropeandattheintemationallevel.Itisincorpor

51、atedbyRoyalChart,er.上CeVlSlonSBri.tishStandardsareupdatedbyamendmentorrevision.UsersofBritishStandardsshouldmakesurethattheypossessthelatestamendmentsoreditions.ItistheconstantaimofBSItoimprovethequalityofotuproductsandservices.WeworddbegratefmifanyonefmdinganmaccruacyorambiguitywhileusmgthisBritishStadardwouldinformtheSecretaryofthetechnicalconunitteeresponsible,theidentityofwhichcanbefotmdonthemsidefrontcover.Tel:02089969000.F