1、BRITISH STANDARD BS EN 14203:2004 Blinds and shutters Capability for use of gears with crank handle Requirements and test methods The European Standard EN 14203:2004 has the status of a British Standard ICS 91.060.50 BS EN 14203:2004 This British Standard was published under the authority of the Sta
2、ndards Policy and Strategy Committee on 30 March 2004 BSI 30 March 2004 ISBN 0 580 43437 0 National foreword This British Standard is the official English language version of EN 14203:2004. The UK participation in its preparation was entrusted by Technical Committee B/538, Doors, windows, shutters,
3、hardware and curtain walling, to Subcommittee B/538/3, Domestic shutters and blinds, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European
4、 publications referred to in this 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. M eM sM 1 This publication does not purport to inc
5、lude all the necessary provisions of a contract. 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 enqu
6、iries on the interpretation, or proposals for 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 24, an inside
7、back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14203 February2004 ICS91.060.50 Englishversion BlindsandshuttersCap
8、abilityforuseofgearswithcrank handleRequirementsandtestmethods Fermeturespourbaiesquipesdefentres,stores intrieursetextrieursAptitudelemploidestreuilsavec manivelletigeoscillanteExigencesetmthodesdessai AbschlsseundLdenGebrauchstauglichkeitvon GetriebenmitKurbelAnforderungenundPrfverfahren ThisEurop
9、eanStandardwasapprovedbyCENon11December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtain
10、edonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions.
11、 CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMI
12、TTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN14203:2004:EEN14203:2004(E) 2 Contents page Foreword. 3 1 Scope . 4 2 N
13、ormativereferences . 4 3 Termsanddefinitions. 4 4 Characteristicparametersofgearwithacrankhandle 5 5 Principleofthetests . 6 6 Testrig . 6 7 Forcedoperationtestofgears(seeFigure15) 15 8 Endurancetest(seeFigure16) 17 9 Performancerequirements 18 10 Testreport . 20 11 Capabilityforuseofthecomponentsof
14、gearswithcrankhandle 21EN14203:2004(E) 3 Foreword Thisdocument(EN14203:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC33“Doors,windows, shutters,buildinghardwareandcurtainwalling”,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofani
15、dentical textorbyendorsement,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2004. ItispartofaseriesofstandardsdealingwithblindsandshuttersforbuildingsasdefinedinEN12216. Themethodsoftestingarelinkedtotheperformancesrequirementsforinternalblinds,externalbli
16、ndsand shutters,asspecifiedinprEN13120,prEN13561andprEN13659. NoexistingEuropeanStandardissuperseded. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic, Denmark,Estonia,Fi
17、nland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania, Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerland andUnitedKingdom.EN14203:2004(E) 4 1Scope ThisEuropeanStandardspecifiesthefunctionalperformancesofmechanicaldrivesystemswithcrank
18、handle forshutters,externalblindsandinternalblindsandthesupplyconditionsofthesesystemsbetweenblindsand shuttersmanufacturersononehand,andoperatingsystemsmanufacturersontheother,forthefollowingfour familiesofuse: rollershutters venetianblinds foldingarmawnings otherawningsandblinds Excludedfromthisst
19、andardaregearswithcrankhandlefittedtopoweroperatedproductsandusedas manualoverrideactuators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelisted he
20、reafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). EN12216:2002, Shutters,externalblinds,internalbl
21、indsTerminology,glossaryanddefinitions . prEN13120, InternalblindsPerformancerequirements . EN13527, ShuttersandblindsMeasurementofoperatingforceTestmethods . prEN13561, ExternalblindsPerformancerequirementsincludingsafety . prEN13659, ShuttersPerformancerequirementsincludingsafety . 3 Termsanddefin
22、itions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN12216:2002andthe followingapply. drivesystemwithacrankhandleMaincomponents (seeFigure1) theyaremadeupofthe: gear; joint,singleordouble; driveshaft; crank,extendable,detachableornot,withorwithouttorquelimitation,etc.; operatin
23、ghandle,detachableornot,withoutcurvedlowerpart,articulated,etc.; limitstopsystemsiftheyexist,incorporatedornotinthegear; crankhandleclip.EN14203:2004(E) 5 Key 1 Gear 5 Crank(rotationrod) 2Output 6 Crank handle/operating 3Input 7 Handle 4 Joint Figure1Descriptionofagearwithcrankhandle 4 Characteristi
24、cparametersofgearwithacrankhandle Theyareasfollows: a)Nominaltorqueontheoutputshaftofthegear, M S .Thisfeature,expressedinNm,isguaranteedbythe gearmanufacturerthroughthetestsspecifiedinthisstandard,andforoneofthefourfollowingfamiliesof products: rollershutter; foldingarmawning: M S isthenspecifiedby
25、2values; venetianblind; othertypesofawningsandblinds. :30241 NErp3002 (F)rpNE :3024100243 F() 5 tige ed mnailevl,et selcipo ,euqcdrocbah el uonno, m uo einund no numiliruet edcoupelcte ,. ; mavinellcd ,erocbah,non uo el sans aprtifni erirueec ruora ,ebcituel, cte. ; evntuellemef“ tnsni“ ed coruse“,
26、nicorrops on u noadsn rt eleuil; lboeuqrum ed anilevl .eLgeedn T 1r liue 5Ax e drtneanemen t 2eitroS 6Tieg ed viname ell ertnE 3 7Minavel el ucitrA 4ital no F 1 erugieD csr liuert ud noitpi vinamelel egit etnallicso 4 sruednarGracactrsitit ud seuqr liueam nivelt eligeso llicnate s eCo tnselrg anedur
27、ss uivsetna : )a Lc eolpu enomlani sur alrbred e sortie udrt euil ,M S.Ceettc aractristiuq ,exerpmi eneN enwsnot mmtre,se t ragatnp eiarf el rbacinated rteiurt ua laverssed se sasi scpifissnad al rpstneeron meruop d enul esrtauq e famselli edrpodstiuc i-arps : vosteluor lants ; strosennab se : M S s
28、e t alross pcfirap i dxue lavuers ; stroesnv itiesn ; rtuaes tysepd e strose ne rmeluo .tneEN14203:2004(E) 6 b)Reductionratiorofthegear: r= 2 1 N N andr1 (1) where N 1 ,isthenumberofrevolutionsonthegearoutput N 2 ,isthenumberofrevolutionsonthegearinput c)Differentefficiencies h 1 ,., h k ofthecompon
29、entsofthegear, d)Force Ftobeappliedtothecrankhandleforgeneratingtheoutputtorque M S. F,expressedinN,shallbelowerthanthemaximumvaluesoftheoperatingeffortsspecifiedinprEN13120, prEN13561andprEN13659. e)ThearmofthecrankhandleR,expressedinm,withR 0,20m. Thesecharacteristicsarelinkedbytheformula: r R r R
30、 1 s h h h = = F F M k (2) 5 Principleofthetests Checkingthefunctionalpropertiesofthedifferentcomponentsafteraforcedoperationtestandanendurance testconsistingofcycles,raisingandloweringmovements,ofanominalload Pthatcorrespondstothe nominaltorque M S givenbythegearmanufacturer,undertheconditionsincla
31、use6. 6 Testrig 6.1 Testrigcharacteristics Thetestrigconsistsofacrossbeam(frame)withwidthoverorequalto0,9mandsufficientheighttoenable thetestloadtohangfreelyduringthewholetest.Thetransversebeamanditsfixingsshallbesufficientlyrigid towithstandtheforcesandwithoutdeformationsthatcouldaffecttheresults.
32、6.2 Gearwithcrankhandleforrollershutter 6.2.1 Testequipment Thetransversebeamismadeoftherollertubeofthesmallestdiameter D t fromtherollertubesspecifiedby thegearmanufacturerinhistechnicalinstructionsforthetestedgearwithcrankhandle. Onthatrollertubetwodrumsarefittedwithdiameter D e =2,5x D t respecti
33、velylocatedatthe1/3andatthe 2/3ofthecrossbeamwidth(seeFigure2). Thedrumsshallbewideenoughtoallowthecordsorcablessupportingtheloadtocoilroundtheconstant diameter D e .EN14203:2004(E) 7 6.2.2 Nominaltestload Thenominaltestload Pisdeterminedbythefollowingformula: c e s D D M P + = 2 N (3) where M S ,in
34、Nm,istheoutputtorquegivenbythegearmanufacturer D e ,inm,isthediameterdefinedin6.2.1 D c ,inm,isthediameterofthecoilingcordorcablemeasuredwhenloaded Thetestload Pisappliedequally( 2 P )toeachthirdofthetestrigframe. Thetravelofthetestingloadis2mminimum. Dimensionsinm Figure2Testrigforgearwithcrankhand
35、leforrollershutter 6.3 Gearwithcrankhandleforvenetianblinds 6.3.1 Testequipment Thetransversebeamismadeofa Uprofileinwhichthegeartobetestedanditsbracketcanbeinserted.The profileisdesignedtoresisttorsionsandlateralpressurescreatedduringthetest(seeFigure3).EN14203:2004(E) 8 Cordsandcablessupportingthe
36、loadcoilduringthetestroundarollertubeofdiameter D t . Diameter D t isequaltothediameterofthecircleinscribedinasquare,thesideofwhichbeingequaltothe largestsizeofthesmallestofthebracketsspecifiedbythegearmanufacturerfitforusewiththegearfittedin thetestgearwithcrankhandle,multipliedbythefactor0,6. 6.3.
37、2 Nominaltestload Thenominaltestload Pisappliedbymeansoftwoelasticdevicesplacedrespectivelyatthe1/3and2/3of theframe(seeFigures3,4and5). Thesedevicesallowthereachingofaloadwithalinearvariationfrom0tothevalue Pwith: c t s D D M P + = 2 N (4) where M S ,inNm,istheoutputtorquegivenbythegearmanufacturer
38、 D t ,inm,isthediameterasdefinedin6.3.1 D c ,inm,isthediameterofthecoilingcordorcablemeasuredwhenloaded Thetravelofthepulleysis1mminimum. Dimensionsinm Figure3TestrigofgearwithcrankhandleforvenetianblindEN14203:2004(E) 9 Dimensionsinm Key 1 Load=0N 2 Load=P/2Noneachcable Figure4Halftestrigofgearwith
39、crankhandleforvenetianblindEN14203:2004(E) 10 Key 1 Loadvalue 2 Travelofthepulleyinm Figure5VariationoftheloadPfortestinggearwithcrankhandleforvenetianblind 6.4 Gearwithcrankhandleforfoldingarmawning 6.4.1 General Gearwithcrankhandleintendedtooperateafoldingarmawningisdefinedbythefollowingparameters
40、(see Figure6). a)Nominaltorque M SN ,inNm,istheoutputtorque,appliedduring90%ofthetravel. M SP ,inNm,isthe“peak“outputtorque,appliedduring10%ofthetravel,neededtounlockthearms. b)Effortinthecrankhandle F SN inN,isthemaximumvalueoftheeffort,neededtooperateduring90%ofthetravel. F SP ,inN,isthemaximumval
41、ueofthe“peak“effort,during10%ofthetravel,neededtounlockthearms. Key 1 Outputvaluetorque 2 Traveloftheawning 3 90%ofthetravel 4 10%ofthetravel Figure6Diagramofthevariationoftheoutputtorqueduringtheoperationofafoldingarmawning fromthetotallyextendedpositionEN14203:2004(E) 11 6.4.2 Testequipment Thetra
42、nsversebeamismadeoftherollertubeofthesmallestdiameter D t fromtherollertubespecifiedbythe gearmanufacturerinhistechnicalinstructionsforthegearwithcrankhandle. 6.4.3 Testloads Thetestloadsareequallydistributedtoeachthirdofthetestrigframe(seeFigure7andFigure8). Testloadsareappliedinthefollowingmanner:
43、 anominalload P N withatotaltravelof2mminimum ; anoverload( P P P N )allowingtosimulatethepeakoftorqueappliedduringthelast0,2mofthetravelof load P N . Thevalues P P and P N aredeterminedusingthefollowingformulas: c t N S N 2 D D M P + = N (5) c t SP P 2 D D M P + = N (6) where M SN ,inNm,istheoutputtorque,givenbythegearmanufacturer M SP ,inNm,isthe“peak“outputtorque,givenbythegearmanufacturer D t ,inm,isthe
