1、BRITISH STANDARD BS EN 12503-6:2001 Sports mats Part 6: Determination of the top friction The European Standard EN 12503-6:2001 has the status of a British Standard ICS 97.220.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12503-6:2001 This British Standard, having be
2、en prepared under the direction of the Consumer Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 June 2001 BSI 06-2001 ISBN 0 580 37287 1 National foreword This British Standard is the official English language version o
3、f EN 12503-6:2001. Together with BS EN 12503-1:2001, BS EN 12503-2:2001, BS EN 12503-3:2001, BS EN 12503-4:2001, BS EN 12503-5:2001 and BS EN 12503-7:2001, it supersedes BS 1892-2.10:1990 which will be withdrawn on 15 August 2001. The UK participation in its preparation was entrusted to Technical Co
4、mmittee SW/14, Gymnasium and sports equipment, 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 documen
5、t may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of Brit
6、ish Standards are responsible for their 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 European committee any enquiries on the interpretation, or proposals for change,
7、 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 6, an inside back cover and a back cover. The BSI copyright date di
8、splayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN125036 April2001 ICS97.220.30 Englishversion SportsmatsPart6:Determinationofthetopfriction TapisdesportPartie6:Dtermination
9、des caractristiquesantidrapantesdelafacesuprieure SportmattenTeil6:Bestimmungder ReibungseigenschaftenderOberseite ThisEuropeanStandardwasapprovedbyCENon21January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusof
10、anationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation under
11、theresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Swe
12、den,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN125036:2001EPage2 EN12503
13、6:2001 Contents Page Foreword. 2 1Scope. 3 2 N o r m a t i v e r e f e r e n c e s 3 3 P r i n c i p l e . 3 4Apparatus 3 5 T e s t p i e c e 5 6Conditioningandtesttemperature . 5 7Procedure 5 8 E x p r e s s i o n o f r e s u l t s 5 9Testreport 6 Foreword ThisEuropeanStandardhasbeenpreparedbyTechn
14、icalCommitteeCEN/TC136“Sports,playgroundandother recreationalequipment“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2001,andconflictingnationalstandardsshallbewithdrawnatthelat
15、est byOctober2001. ThisstandardEN12503“Sportsmats“consistsof: Part1: Gymnasticmats,safetyrequirements Part2: Polevaultandhighjumpmats,safetyrequirements Part3: Judomats,safetyrequirements Part4: Determinationofshockabsorption Part5: Determinationofthebasefriction Part6: Determinationofthetopfriction
16、 Part7: Determinationofstaticstiffness AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norw
17、ay,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.Page3 EN125036:2001 1Scope ThisEuropeanStandardspecifiesamethodoftestforthedeterminationofthetopfrictionofsportsmatstypes1 to8ofEN125031:2001andtype12ofEN125033:2001. 2Normativereferences ThisEuropeanStandardincorporates,bydatedorundatedrefere
18、nce,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedre
19、ferences,thelatesteditionofthe publicationreferredtoapplies(includingamendments). EN125031:2001 SportsmatsPart1:Gymnasticmats,safetyrequirements EN125033:2001 SportsmatsPart3:Judomats,safetyrequirements ISO48 Rubber,vulcanizedorthermoplasticDeterminationofhardness(Hardnessbetween10IRHDand100IRHD) IS
20、O4662 RubberDeterminationofreboundresilienceofvulcanizates 3Principle Agraduallyincreasingtorqueisappliedtoamotionlessweightedfootpositionedonamatandthetorquerequired tocauseinitialmovementismeasured. 4Apparatus Arigiddiscofdiameter(1502)mmwithacentralshaftconcentricallyloadedwithannularweightstogiv
21、eatotal mass,includingthetorquewrenchof(462)kg.Tothebottomofthediscisbondedarubbertestsoleofdiameter (1502)mmcomplyingwiththerequirementsoftable1. Arigidstabilisingframewithbearingsorbushesfortheshaftsuchthatthesoleremainsintheplaneofthesurface duringtestandthelegsoftheframedonotcontactthemat. Diali
22、ndicatingtorquewrench,calibratedinmaximumincrementsof2,0Nmwithamaximumindicatingpointer. Theapparatusisshownschematicallyinfigure1.Page4 EN125036:2001 Figure1ApparatusPage5 EN125036:2001 Table1Propertiesofrubbersole Property Testprocedure Requirement Resilience ISO4662 (212)%at5C (242)%at23C (282)%a
23、t40C Hardness ISO48 (962)IRHDat(232)C 5 Testpiece Thetestpieceshallbethecompletemat. 6 Conditioningandtesttemperature Conditionthetestpieceforaminimumof24hat(213)Cimmediatelybeforethetestandcarryoutthetestat thesametemperature. 7Procedure Positiontheapparatusoverthetestpiece.Placetheweighteddisconth
24、etestpieceandgraduallyandsmoothly applyanincreasingrotationalforcetothetorquewrenchatanominalspeedof12min 1 suchthatthediscrotates between90and120. Repeatthetesttoobtaineightreadingsoftorqueinthesamepositionandnotethemaximumtorqueforthelastfive readings. Repeatthetesttoobtainreadingsatfourpositionso
25、nthemat. NOTEProcessingagentsonnewmaterialsorparticulatematerialsmaycontaminatethetestsolematerialand affecttheresults.Itisrecommendedthatthesolebecleanedtoremovecontaminationbetweeneachtestornew testsolesbeused. 8 Expressionofresults Calculatethemeanstaticrotationalfrictionforthefivereadingsineachp
26、ositionfrom: Meanstaticrotationalfriction= 3 T wD where: T isthemeanvalueoftorque,inNm; w istheverticalforceappliedtothesurface,inN; D isthediameterofdisc,inm. Determinethestaticrotationalfrictionasthelowestmeanvalueofthefourpositions.Page6 EN125036:2001 9 Testreport Thetestreportshallincludethefoll
27、owinginformation: a)referencetothistestmethod,i.e.EN125036; b)completeidentificationofthemattestedincludingtype,manufacturersreferenceandprevioushistory; c)thetemperatureatwhichthetestwascarriedout; d)thestaticrotationalfrictionvalue; e)theindividualtestresultsifrequired; f)detailsofanydeviationfrom
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