1、BRITISH STANDARD BS EN 13770:2002 Textiles Determination of the abrasion resistance of knitted footwear garments The European Standard EN 13770:2002 has the status of a British Standard ICS 61.020 BS EN 13770:2002 This British Standard, having been prepared under the direction of the Materials and C
2、hemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 12 August 2002 BSI 12 August 2002 ISBN 0 580 40228 2 National foreword This British Standard is the official English language version of EN 13770:2002. The UK participat
3、ion in its preparation was entrusted to Technical Committee TCI/24, Physical testing of textiles, 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 o
4、r European 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. 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 19 and a back
7、cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13770 July2002 ICS61.020 Englishversion TextilesDeterminationoftheabrasionresistanceofknitt
8、ed footweargarments TextilesDterminationdelarsistancelabrasiondes articleschaussantstricots TextilienBestimmungderScheuerbestndigkeitvon gestrickterFubekleidung ThisEuropeanStandardwasapprovedbyCENon11April2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditio
9、nsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversi
10、oninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxe
11、mbourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENn
12、ationalMembers. Ref.No.EN13770:2002EEN13770:2002(E) 2 Contents page Foreword .3 Introduction 4 1 Scope5 2 Normativereferences 5 3 Conditioningandtestingatmosphere . .5 4 Method1:Martindaleabrasionmachinemethod .5 4.1 Principle .5 4.2 Apparatusandagents .5 4.3 Samplingandpreparationoftestspecimens 6
13、4.3.1 General .6 4.3.2 Samplingofthetestspecimensfromthelaboratorysample 6 4.3.3 Dimensionsofauxiliarymaterials. 6 4.3.4 Mountingthetestspecimens. 6 4.4 Testprocedure 6 4.5 Assessmentintervals .7 4.6 Testreport. .7 5 Method2:Abrasiononlegforms .8 5.1 Principle .8 5.2 Apparatus.8 5.2.1 Abrasiontester
14、 (FigureC.1) 8 5.2.2 Legsforms .8 5.2.3 Elasticretainingcollars. .9 5.2.4 Abradantpaper 9 5.2.5 Foambackingmaterial (seeannexF) 9 5.2.6 Softbrush 9 5.3 Samplingandnumberoftests .9 5.4 Testprocedure 9 5.5 Testreport. .10 AnnexA (normative) Specimenholders .11 AnnexB (informative) Recommendedinspectio
15、nintervals14 AnnexC (informative) Apparatusforabrasiononlegforms 15 AnnexD (normative) Sizeoflegsforms,basedontheMONDOPOINTsizes .17 AnnexE (informative) Technicalcharacteristicsofabradantpaper 18 AnnexF (informative) Technicalcharacteristicsoffoam19EN13770:2002(E) 3 Foreword ThisdocumentEN13370:200
16、2hasbeenpreparedbyTechnicalCommitteeCEN/TC248“Textiles andtextileproducts”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyJanuary2003,andconflictingnationalstandards shallbewithdrawnatth
17、elatestbyJanuary2003. AnnexAandannexDarenormative. AnnexB,annexC,annexEandannexFareinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,
18、Greece,Iceland,Ireland,Italy,Luxembourg,Malta, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN13770:2002(E) 4 Introduction ThisEuropeanStandardiscomposedoftwotests. Thefirsttestdescribesamethodforthedeterminationoftheabrasionresistanceofknittedfootwear garmentsonsamplesstr
19、etchedwithamodifiedsampleholder,onaMartindaleabrasionmachine. Thesecondtestdescribesatestingdeviceandamethodforthedeterminationoftheabrasion resistanceofknittedfootweargarmentsinastretchedcontrolledstate. Thetestmethodischosenbeforestartingthetestandrecordedinthetestreport,sincetheresultsof thediffe
20、rentmethodscannotbecomparedwitheachother.EN13770:2002(E) 5 1Scope ThisEuropeanStandardspecifiestwotestmethodsforthedeterminationofabrasionresistanceof knittedfootweargarments,e.g.anklesocks,socks,andheavytights.Thetestmethodsapplytoany ofthesearticles,irrespectiveofsize,compositionandstructure. 2 No
21、rmativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofany ofthesepublicationsapplytothisE
22、uropeanStandardonlywhenincorporatedinitbyamendmentor revision.Forundatedreferencesthelatesteditionofthepublicationreferredtoapplies(including amendments). EN20139, TextilesStandardatmospheresforconditioningandtesting(ISO139:1973). ENISO129471, TextilesDeterminationoftheabrasionresistanceoffabricsbyt
23、heMartindale methodPart1:Martindaleabrasiontestingapparatus(ISO129471:1998). 3 Conditioningandtestingatmosphere ThestandardtemperateatmosphereforconditioningandtestingtextilesasdefinedinEN20139shall beused. 4 Method1:Martindaleabrasionmachinemethod 4.1Principle Circularspecimensofthehosieryareselect
24、edfromtheknownwearareasofthesocks,stretched overaflattenedrubbersurfaceandabradedagainstareferenceabradantunderaknownpressure withacyclicplanarmotionintheformofaLissajousfigurewhichistheresultantoftwosimple harmonicmotionsatrightanglestoeachother.Theresistancetoabrasionisestimatedbythe numberofcycle
25、stoeithertotalbreakdownorthinningofonecomponent. 4.2Apparatusandagents 4.2.1 MartindaleabrasionmachineasspecifiedinENISO129471. 4.2.2 Modifiedspecimenholdersfortheevaluationofabrasionofknittedfootweargarments(in accordancewithannexA),consistingofaguidespindle,holderbody,needlering,holdernutand rubbe
26、rspherewithflattenedsurfaces(20mmbeingthetestarea). 4.2.3 Springloadedtighteningblockspannerwhichenablesthetighteningoftheholderbodyand holdernutwhilstensuringtheflatsurfaceoftherubbersphereremainsflatandhorizontal. 4.2.4 AbradantandwovenfeltasspecifiedinENISO129471.EN13770:2002(E) 6 4.3Samplingandp
27、reparationoftestspecimens 4.3.1General Ensurethroughoutsamplingandspecimenpreparationthathandlingimposestheminimumpossible tensilestresssoastopreventincorrectextensionofthetextile. 4.3.2 Samplingofthetestspecimensfromthelaboratorysample Beforesamplingthetestspecimensfromthelaboratorysamples,conditio
28、nthelaboratorysamples, freefromtensiononasmoothhorizontalsurfacewithfreeaccessofairexposedtothestandard atmospherespecifiedinclause3. Cuttheknittedfootweargarmentssothatthesoleandheelareflatandfreefromtension(see FigureB.1). Cutspecimens38mmdiameterfromtherequiredareas.Aminimumoftwospecimensshallbet
29、aken fromtheheelandtwofromthesole,preferablywithacuttingdie.Agreaternumberofspecimenscan besampledfromonesockstyleinordertoevaluatevariationsorcreateamoreaccurateaverage value. 4.3.3 Dimensionsofauxiliarymaterials 4.3.3.1 Dimensionsofabradant Thedimensionsoftheabradantshallbeatleast140mmindiameteror
30、lengthandwidth. 4.3.3.2 Dimensionsofabradantfeltsubstrate Thedimensionsofthewovenwoolfeltshallbe140mm+0,5/0mm. 4.3.4 Mountingthetestspecimens Placeacutspecimenfacedownontoasoftsurface,e.g.lightrubberboard.Placetheneedlering centrallyoverthespecimenandpushtheneedlesthroughthespecimen.Pullawayfromtheb
31、oard gatheringthespecimenontheneedles. Placetheholdernutfacedownontothespringloadedtighteningblock. Carefullyplacetheneedleringwiththespecimenintactintotheholdernutlocatingtheneedlesinthe holesoftheholdernut. Taketherubbersphereandplaceintotherecesswiththe20mmdiameterflatsurfacetothebackof thespecim
32、en. Ensurethespecimenisflatbyplacingtheholderbodyontotheholdernutandcarefullyscrewingthe holderbodyontotheholdernut,applyingadownwardforceagainstthespringloadedfaceofthe tighteningblockspanner. Repeatthisprocessforalltestspecimens. 4.4Testprocedure SelectthestandardLissajousmotionasspecifiedinENISO1
33、29471. Movethespecimenholderguideplatetoensurefreeaccessoftheabradingtables.EN13770:2002(E) 7 Mountnewabradantoneachoftheabradingtablesoverthewovenwoolfeltandcompressboththe feltandabradantwithapressingweighthavingamassof(2,5 0,5) kgandadiameterof (120 10)mm. Fittheclampingringandsecurethefeltandabr
34、adantfirmly,ensuringitisfreefromtucksandridges. Removethepressingweight. Replacetheabradantatthestartofeachtestorafter50000rubs.Changethefeltwhenitisjudged thelevelofsoilingisheavyand/orcouldcausecontaminationtolightcolouredspecimens. Repositiontheholderguideplate.Placethemountedspecimensontotheabra
35、dingtables,locatethe guidespindlesandapplythe12kPaloadingpiecetoeach. Setthemachinetothedesirednumberofrubs(seeannexB.1),zerothetotalizingcounterandswitch onthemachine. 4.5Assessmentintervals 4.5.1 Aftereachpresetcycle,inspecteachspecimen,withoutremovingitfromtheholder,inorder todetermineifendpointi
36、sreached. NOTE Theendpointcanbeeither: aholewhichusuallydevelopswhenonethreadisbrokencausingaholetoappear. thinningwhentheknittedfootweargarmentisconstructedoffilamentandspunstapleyarns platedinknittinge.g.nylon/cotton,andthespunstapleyarnwearsawayleavingabaseof thefilamentyarn. 4.5.2 Duringinspecti
37、on,removeanypillswithsharpscissorswithcurvedblades. 4.5.3 Recordthenumberofrubstoreachendpoint,whichcanbeeitheraholeorthinning.Ifboth endpoints,thinningandaholearerequiredtobedetermined,recordclearlywhichnumberofrubs relatestowhichendpoint. 4.6Testreport Thetestreportshallincludethefollowinginformat
38、ion: a) thereferencetothemethod1ofthisEuropeanStandard; b) thesamplereference; c) theareafromwhichthetestspecimenhasbeensampled(sole,heel); d) theendpoint,thinningand/orahole; e) theindividualvalueofnumberofrubsforeitherthinningand/orahole; f) othersexpressionsofresults,rangeormean,ifapplicableandre
39、quired; g) anydeviationfromthisEuropeanStandardwhichcanhaveaffectedtheresults.EN13770:2002(E) 8 5 Method2:Abrasiononlegforms 5.1Principle Knittedfootweargarmentispositionedonavolumetriclegform,inastretchedstate,asinwear.A mechanicallinearmovementisproducedwithaspecificsockabrasiontester.Theresistanc
40、eto abrasionisestimatedbythenumberofcyclestoeithertotalbreakdownorthinningofonecomponent. 5.2Apparatus 5.2.1Abrasion tester (FigureC.1) Theslipper(1)ispositionedonarail(2)betweentwolateraldiscs(3)whicharesecuredontotherail withscrews(4).Thediscsarepositionedsoastorestrictthelateralmovement,butnotthe
41、vertical movement,oftheslipperinslot. Thisfreedomofverticalmovementensuresthatthepressureonthetestspecimenisgivenbythe massoftheslipperonly.Themassoftherailhasnoeffectsbecauseitliesontherollerbearing(6) whichisfixedontheframe. Ifrequired,additionalloadscanbepositionedontheslipperusingthesupport(7).
42、Interchangeableabradantshoes(8)arefittedtothesoleoftheslipper.Theshoesare10mmwide, andtheircurvatureisthesameasthatofthelegformused. Rail(2)isdrivenbythemotortoprovideareciprocatingmotiontotheslipperalongtheaxisoftheleg form.Thestrokeofthismotionisadjustable.Thespeedofthemotoris250t min 1 . Theappar
43、atusisfittedwithpresetandtotalizingcounters. Theapparatushastwoseparatetestheadsenablingtwospecimenstobetestedatthesametime. 5.2.2 Legsforms 5.2.2.1 Designoflegforms (FigureC.2 ) Thelegformsaredesignedsoastopresentthesamplefortestinthestretchedstate,asinwear. Thelegformsconsistoftwocylinders(1&2)connectedatrightangleswithoneend(3)bevelledat 60andtheotherendfixedtoasoleplate(4). Topreventmovementofthegarmentduringthetest,thesurfaceofth
