BS EN ISO 7091-2000 Plain washers Normal series Product grade C《平垫圈 标准系列 产品等级C级》.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 7091:2000 The E

2、uropean Standard EN ISO 7091:2000 has the status of a British Standard ICS 21.060.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plain washers Normal series Product Grade CThis British Standard, having been prepared under the direction of the Engineering Sector Committee,

3、was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36147 0 BS EN ISO 7091:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN

4、 ISO 7091:2000. It is identical with ISO 7091:2000. The UK participation in its preparation was entrusted by Technical Committee FME/9, Bolts, Nuts present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests info

5、rmed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex

6、which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internation

7、al 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 British Standards are responsible for their correct application. Compliance with a Britis

8、h Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii and iii, a blank page, pages 1 to 4, the annex ZA page and a back cover.

9、The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO7091 June2000 ICS21.060.30 Englishversion PlainwashersNormalseriesProductgradeC(ISO 7091:2000) RondellesplatesSrienormaleGradeC(ISO 7091:2000) FlacheSch

10、eibenNormaleReiheProduktklasseC(ISO 7091:2000) ThisEuropeanStandardwasapprovedbyCENon1June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalref

11、erencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentral

12、Secretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION

13、 COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO7091:2000EForeword ThetextoftheInternationalStandardISO7091:2000hasbeenpreparedbyTechnic

14、alCommittee ISO/TC2“Fasteners“incollaborationwithTechnicalCommitteeCEN/TC 185“Threadedand nonthreadedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandar dshallbegiventhestatusofanationalstandard ,eitherbypublicationofan identicaltextorb yendorsement,atthelatestby

15、December2000 ,andconflictingnationalstandards shallbewithdrawnatthelatestbyDecember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationso f the followingcountrie s areboundt o implementthisEuropea n Standard:Austria,Belgium , CzechRepublic, Denmark, Finland,France,Germ

16、any , Greece,Iceland,Ireland , Italy,Luxembourg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO7091:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelist

17、edinannexZA(normative). EN ISO 7091:2000Referencenumber ISO7091:2000(E) INTERNATIONAL STANDARD ISO 7091 Secondedition 2000-06-01 PlainwashersNormalseriesProduct gradeC Rondelles plates Srie normale Grade C EN ISO 7091:2000ii EN ISO 7091:2000 iii Foreword ISO(theInternationalOrganizationforStandardiz

18、ation)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalor

19、ganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. Draf

20、tInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights

21、.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO7091waspreparedbyTechnicalCommitteeISO/TC2, Fasteners. Thissecondeditioncancelsandreplacesthefirstedition(ISO7091:1983),whichhasbeentechnicallyrevised. EN ISO 7091:2000EN ISO 7091:2000 1 PlainwashersNormalse

22、riesProductgradeC 1 Scope ThisInternationalStandardspecifiesthecharacteristicsofnormal-series,product-grade-Cplainwashersinthe 100HVhardnessclassandofnominalsizes(nominalthreaddiameters)rangingfrom1,6mmto64mminclusive. Washersofhardnessclass100HVaresuitablefor hexagonboltsandscrewsofproductgradeCinp

23、ropertyclassesuptoandincluding6.8; hexagonnutsofproductgradeCinpropertyclassesuptoandincluding6; case-hardenedthreadrollingscrews. IfdimensionsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedfromthose giveninISO887. Whensoftmaterialpiecesareclamped,orlargeclearancehole

24、sintheworkpieceareused,theusershouldcheck thetechnicalsuitabilityofthistypeofwasher. EN ISO 7091:20002 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orre

25、visionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.Membersof

26、ISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO887:2000, Plain washers for metric bolts, screws and nuts for general purposes General plan. ISO3269:2000, Fasteners Acceptance inspection. ISO4042:1999, Fasteners Electroplated coatings. ISO4759-3:2000, Tolerances for fasteners P

27、art 3: Plain washers for bolts, screws and nuts Product grades A and C. ISO6507-1:1997, Metallic materials Vickers hardness test Part 1: Test method. ISO10683 1) , Fasteners Non-electrolytically applied zinc flake coatings. 3 Dimensions SeeFigure1andTables1and2. Figure1Dimensions 1)Tobepublished. EN

28、 ISO 7091:2000 3 Table1Preferreddimensions Dimensionsinmillimetres Nominalsize Clearancehole Outsidediameter Thickness d 1 d 2 h nom. max. nom. min. nom. max. min. (Nominal thread diameter,d) (min.) (max.) 1,6 1,80 2,05 4,00 3,25 0,3 0,4 0,2 2 2,40 2,65 5,00 4,25 0,3 0,4 0,2 2,5 2,90 3,15 6,00 5,25

29、0,5 0,6 0,4 3 3,4 3,7 7,0 6,1 0,5 0,6 0,4 4 4,5 4,8 9,0 8,1 0,8 1,0 0,6 5 5,5 5,8 10,0 9,1 1 1,2 0,8 6 6,60 6,96 12,0 10,9 1,6 1,9 1,3 8 9,00 9,36 16,0 14,9 1,6 1,9 1,3 10 11,00 11,43 20,0 18,7 2 2,3 1,7 12 13,50 13,93 24,0 22,7 2,5 2,8 2,2 16 17,50 17,93 30,0 28,7 3 3,6 2,4 20 22,00 22,52 37,0 35,4

30、 3 3,6 2,4 24 26,00 26,52 44,0 42,4 4 4,6 3,4 30 33,00 33,62 56,0 54,1 4 4,6 3,4 36 39 40 66,0 64,1 5 6 4 42 45 46 78,0 76,1 8 9,2 6,8 48 52,0 53,2 92,0 89,8 8 9,2 6,8 56 62,0 63,2 105,0 102,8 10 11,2 8,8 64 70,0 71,2 115,0 112,8 10 11,2 8,8 Table2Non-preferreddimensions Dimensionsinmillimetres Nomi

31、nalsize Clearancehole Outsidediameter Thickness d 1 d 2 h nom. max. nom. min. nom. max. min. (Nominal thread diameter,d) (min.) (max.) 3,5 3,9 4,2 8 7,1 0,5 0,6 0,4 14 15,5 15,93 28 26,7 2,5 2,8 2,2 18 20 20,43 34 32,4 3 3,6 2,4 22 24 24,52 39 37,4 3 3,6 2,4 27 30 30,52 50 48,4 4 4,6 3,4 33 36 37 60

32、 58,1 5 6 4 39 42 43 72 70,1 6 7 5 45 48 49 85 82,8 8 9,2 6,8 52 56 57,2 98 95,8 8 9,2 6,8 60 66 67,2 110 107,8 10 11,2 8,8 EN ISO 7091:20004 4 RequirementsandInternationalStandardsofreference SeeTable3. Table3SpecificationsandInternationalStandardsofreference Material a Steel Hardnessclass 100HV Me

33、chanical properties Hardnessrange b 100HVto200HV Productgrade C Tolerances InternationalStandard ISO4759-3 Surfacefinish Plain:i.e.washerstobesuppliedinnaturalfinish,treated withaprotectivelubricantorwithothercoatingsasagreed bycustomerandsupplier. RequirementsforelectroplatingcoveredinISO4042. Requ

34、irementsfornon-electrolyticallyappliedzincflake coatingscoveredinISO10683. Alltolerancesshallapplypriortotheapplicationofaplating orcoating. Workmanship Partsshallbefreeofirregularitiesordetrimentaldefects.No protrudingburrsshallappearonthewasher. Acceptability AcceptanceprocedurecoveredinISO3269. a

35、 Othermetallicmaterialsasagreedbetweencustomerandsupplier. b HardnesstestingaccordingtoISO6507-1. Testforce: HV2 fornominalthicknesshu0,6mm HV10 fornominalthickness0,61,2mm 5 Designation EXAMPLE Anormal-series,product-grade-Cplainwashermadeofsteel,ofnominalsize8mmandhardnessclass 100HVisdesignatedas

36、follows: WasherISO7091-8-100HV EN ISO 7091:2000AnnexZ A(normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesint

37、hetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year IS

38、O4042 1999FastenersElectroplatedcoatings ENISO4042 1999 ISO475932000TolerancesforfastenersPart3:Plainwashersforbolts , ENISO4759 32000 screwsandnutsProductsgradesAandC ISO650711997MetallicmaterialsVickershardnesstestPart1: ENISO6507 11997 Testmethod EN ISO 7091:2000BS EN ISO 7091:2000 BSI 389 Chiswi

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