1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 7093-2:2000 The
2、 European Standard EN ISO 7093-2:2000 has the status of a British Standard ICS 21.060.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plain washers Large series Part 2: Product grade CThis British Standard, having been prepared under the direction of the Engineering Sector
3、Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36359 7 BS EN ISO 7093-2:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language
4、version of EN ISO 7093-2:2000. It is identical with ISO 7093-2:2000. 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
5、UK interests informed; 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
6、include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Sta
7、ndards 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 British Stan
8、dard 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 iiand iii, a blank page, pages 1 to 4, the annex ZA page and a back cover. The BSI
9、 copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO70932 June2000 ICS21.060.30 Englishversion PlainwashersLargeseriesPart2:ProductgradeC(ISO 70932:2000) RondellesplatesSrielargePartie2:GradeC(ISO 70932:2000) Fl
10、acheScheibenGroeReiheTeil2:ProduktklasseC (ISO70932:2000) ThisEuropeanStandardwasapprovedbyCENon1June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliog
11、raphicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedt
12、otheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTAN
13、DARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO70932:2000EForeword ThetextoftheInternationa lStandardISO70932:2000ha sbeenpr
14、eparedbyTechnicalCommittee ISO/TC2“Fasteners“incollaborationwithTechnicalCommitteeCEN/TC 185“Threadedand nonthreadedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandar dshallbegiventhestatusofanationalstandard ,eitherbypublicationofan identicaltextorb yendorsemen
15、t,atthelatestbyDecember2000 ,andconflictingnationalstandards shallbewithdrawnatthelatestbyDecember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationso f the followingcountrie s areboundt o implementthisEuropea n Standard:Austria,Belgium , CzechRepublic, Denmark, Finl
16、and,France,Germany , Greece,Iceland,Ireland , Italy,Luxembourg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO70932:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternational
17、StandardsarelistedinannexZA(normative). EN ISO 7093-2:2000Referencenumber ISO7093-2:2000(E) INTERNATIONAL STANDARD ISO 7093-2 Firstedition 2000-06-01 PlainwashersLargeseries Part2: ProductgradeC Rondelles plates Srie large Partie 2: Grade C EN ISO 7093-2:2000ii EN ISO 7093-2:2000 iii Foreword ISO(th
18、eInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberep
19、resentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerules
20、givenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO709
21、3maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO7093-2waspreparedbyTechnicalCommitteeISO/TC2, Fasteners. ThisfirsteditionofISO7093-2,togetherwithISO7093-1,cancelsandreplacesISO7093:1983,whichhasbeen technicallyrevised. ISO70
22、93consistsofthefollowingparts,underthegeneraltitle Plain washers Large series: Part 1: Product grade A Part 2: Product grade C EN ISO 7093-2:2000EN ISO 7093-2:2000 1 PlainwashersLargeseries Part2: ProductgradeC 1 Scope ThispartofISO7093specifiesthecharacteristicsoflarge-series,product-grade-Cplainwa
23、shersinthe100HV hardnessclass,ofnominalsizes(nominalthreaddiameters)rangingfrom3mmto36mminclusive. WashersconformingtothispartofISO7093areintendedforuseincaseswheresoftmaterialpiecesaretobe clampedorwheretherearelargeclearanceholesintheworkpiece.Nevertheless,inthelattercase,thesuitability ofthewashe
24、rthicknessshouldbechecked. Washersofhardnessclass100HVaresuitablefor: hexagonboltsandscrewsofproductgradeCinpropertyclassesuptoandincluding6.8; hexagonnutsofproductgradeCinpropertyclassesuptoandincluding6; case-hardenedthreadrollingscrews. IfdimensionsotherthanthoselistedinthispartofISO7093arerequir
25、ed,theyshouldbeselectedfromthosegiven inISO887. EN ISO 7093-2:20002 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdo
26、notapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurren
27、tlyvalidInternationalStandards. ISO887: 1) , 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 Part 3: Plain washers for bolts, scr
28、ews and nuts Product grades A and C. ISO6507-1:1997, Metallic materials Vickers hardness test Part 1: Test method. ISO10683: 2) , Fasteners Non-electrolytically applied zinc flake coatings. 3 Dimensions SeeFigure1andTables1and2. Figure1Dimensions 1)Tobepublished.(RevisionofISO887:1983) 2)Tobepublish
29、ed. EN ISO 7093-2:2000 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.) 3 3,4 3,7 9,0 8,1 0,8 1,0 0,6 4 4,5 4,8 12,0 10,9 1 1,2 0,8 5 5,5 5,8 15,0 13,9 1 1,2
30、0,8 6 6,60 6,96 18,0 16,9 1,6 1,9 1,3 8 9,00 9,36 24,0 22,7 2 2,3 1,7 10 11,00 11,43 30,0 28,7 2,5 2,8 2,2 12 13,50 13,93 37,0 35,4 3 3,6 2,4 16 17,50 17,93 50,0 48,4 3 3,6 2,4 20 22,00 22,52 60,0 58,1 4 4,6 3,4 24 26,00 26,84 72,0 70,1 5 6 4 30 33 34 92,0 89,8 6 7 5 36 39 40 110,0 107,8 8 9,2 6,8 T
31、able2Non-preferreddimensions Dimensionsinmillimetres Nominalsize 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 11,0 9,9 0,8 1,0 0,6 14 15,50 15,93 44,0 42,4 3 3,6 2,4 18 20,00 20,43 56,0 54,9 4 4,6 3,4 22 24
32、,00 24,84 66,0 64,9 5 6 4 27 30,00 30,84 85,0 82,8 6 7 5 33 36 37 105,0 102,8 6 7 5 EN ISO 7093-2:20004 4 RequirementsandInternationalStandardsofreference SeeTable3. Table3SpecificationsandInternationalStandardsofreference Material a Steel Hardnessclass 100HV Mechanical properties Hardnessrange b 10
33、0HVto200HV Productgrade C Tolerances InternationalStandard ISO4759-3 Surfacefinish Plain:i.e.washerstobesuppliedinnaturalfinish,treated withaprotectivelubricantorwithothercoatingsasagreed bycustomerandsupplier. RequirementsforelectroplatingcoveredinISO4042. Requirementsfornon-electrolyticallyapplied
34、zincflake coatingscoveredinISO10683. Alltolerancesshallapplypriortotheapplicationofaplating orcoating. Workmanship Partsshallbefreeofirregularitiesordetrimentaldefects.No protrudingburrsshallappearonthewasher. Acceptability AcceptanceprocedurecoveredinISO3269. a Othermetallicmaterialsasagreedbetween
35、customerandsupplier. b HardnesstestingaccordingtoISO6507-1. Testforce:HV10 fornominalthickness0,61,2mm. 5 Designation EXAMPLE Alarge-series,product-grade-Cplainwashermadeofsteel,ofnominalsize8mmandhardnessclass100HV isdesignatedasfollows: WasherISO7093-2-8-100HV EN ISO 7093-2:2000AnnexZA (normative)
36、 Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,sub
37、sequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year ISO4042 1999FastenersElectroplatedcoatings ENISO4042 1999 ISO4759320
38、00TolerancesforfastenersPart3:Plainwashersforbolts , ENISO4759 32000 screwsandnutsProductsgradesAandC ISO650711997MetallicmaterialsVickershardnesstestPart1: ENISO6507 11997 Testmethod EN ISO 7093-2:2000BS EN ISO 7093-2:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | |
39、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsibl
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