BS EN ISO 10485-2004 Cone proof load test on nuts《螺母锥形保证载荷试验》.pdf

1、BRITISH STANDARD BS EN ISO 10485:2004 Cone proof load test on nuts The European Standard EN ISO 10485:2004 has the status of a British Standard ICS 21.060.20 BS EN ISO 10485:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 6 August 2004 B

2、SI 6 August 2004 ISBN 0 580 44212 8 National foreword This British Standard is the official English language version of EN ISO 10485:2004. It is identical with ISO 10485:1991. It supersedes BS 7597:1992 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee

3、FME/9, Bolts, nuts and accessories, to Subcommittee FME/9/1, Bolts, nuts and accessories materials, 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 internatio

4、nal or 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 t

5、o include 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

6、 enquiries 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 ISO title page, the EN ISO forew

7、ord page, the ISO title page, page ii, pages 1 and 2, the Annex ZA page 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 ENISO104

8、85 July2004 ICS21.060.20 SupersedesEN493:1992 Englishversion Coneproofloadtestonnuts(ISO10485:1991) Essaidechargedpreuveaucnedescrous(ISO 10485:1991) KegelprfkraftversuchanMuttern(ISO10485:1991) ThisEuropeanStandardwasapprovedbyCENon1July2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegu

9、lationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialvers

10、ions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finlan

11、d,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruede

12、Stassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO10485:2004:E Foreword The text of ISO 10485:1991 has been prepared by Technical Committee ISO/TC 2 “Fasteners” of the International Organization for Standardization (ISO

13、) and has been taken over as EN ISO 10485:2004 by Technical Committee CEN/TC 185 “Threaded and non-threaded mechanical fasteners and accessories“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical t

14、ext or by endorsement, at the latest by January 2005, and conflicting national standards shall be withdrawn at the latest by January 2005. This document supersedes EN 493:1992. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are boun

15、d to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and Unite

16、d Kingdom. Endorsement notice The text of ISO 10485:1991 has been approved by CEN as EN ISO 10485:2004 without any modifications. NOTE Normative references to International Standards are listed in annex ZA (normative). ENISO10485:2004LANOITANRETNI DRADNATS 58401 tsriF ide noit 10-21-1991 Cone proof

17、load test on nuts Essai de Charge d%preuve au c6ne des Gcrous Reference number ISO 10485:1991(E) INTERNATIONAL STANDARD 10485 First edi tion 1991-12-01 enoC foorp daol tset no stun iassE ed egrahC evuerp%d ua en6c sed suorcG ecnerefeR rebmun OSI )E(1991:58401 ENISO10485:2004fs gniraperp lanoitanretn

18、I sdradnatS si yllamron deirrac tuo hguorht OSI lacinhcet .seettimmoc hcsE rebmem ydob detseretni ni a tcejbus rof hcihw a lacinhcet eettimmoc sah neeb dehsilbatse sah eht thgir ot eb detneserper no taht .eettimmoc lanoitanretnI ,snoitazinagro -nrevog latnem dna ,latnemnrevog-non ni nosiail htiw ,OS

19、I osla ekat trap ni eht .krow OSI setaroballoc ylesolc htiw eht lanoitanretnI lacinhcetortcelE noissimmoC )CEI( no lla srettam fo lacinhcetortcele .noitazidradnats tfarD lanoitanretnI sdradnatS detpoda yb eht lacinhcet seettimmoc era detalucric ot eht rebmem seidob rof .gnitov noitacilbuP sa na -ret

20、nI lanoitan dradnatS seriuqer lavorppa yb ta tsael 57 % fo eht rebmem seidob gnitsac a .etov lanoitanretnI dradnatS OSI 58401 saw deraperp yb lacinhceT eettimmoC CT/OSI ,2 ,srenetsaF eettimmoC-buS CS ,1 lacinahceM seitreporp fo .srenetsaf 8 OSI 1991 llA sthgir .devreser oN trap fo siht noitacilbup y

21、am eb decudorper ro dezilitu ni yna mrof ro yb yna ,snaem einortcele ro ,lacinahcem gnidulcni gniypocotohp dna ,mliforcim tuohtiw noissimreP ni gnitirw morf eht .rehsilbup lanoitanretnI noitazinagrO rof noitazidradnatS esaC elatsoP 65 l 1121-HC eveneG 02 l dnalreztiwS detnirP ni dnalreztiwS ii ENISO

22、10485:2004LANOITANRETNI DRADNATS OSI )E(1991:58401 Cone proof load test on nuts 1 Scope This International Standard specifies the properties of nuts with - nominal thread diameter, d, from 5 mm up to and including 39 mm, - product grades A and B, - property classes 8 to 12, under the conditions of t

23、he cone proof load test. 2 Normative references The following Standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were valid. All stan- dards are subject to revision, and Partie

24、s to agreements based on this International Standard are encouraged to investigate the possibility of ap- plying the most recent editions of the Standards in- dicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 898-2: -l), Mechanical properfies of

25、 fasteners - Part 2: Nuts with specified proof Load values - Coarse thread. ISO 898-6: 1988, Mechanical properties of fasfeners - Part 6: Nuts with specified proof load values - Fine pitch thread. 3 Principle Detection of the presence of seams or Cracks which could be detrimental. The use of a conic

26、al washer exaggerates the influence of such defects on the load-bearing ability of the nut by introducing a si- multaneous dilating and stripping action. 4 Apparatus 4.1 Conical washer (see figure 1), having a mini- mum hardness of 57 HRC. The contact Point of the cone shall be flat and shall have a

27、 width of 0,13 mm + 0,03 mm for nominal thread diameters n 12 mm.- Dimensions in millimetres surface roughness in micrometres + 0,05 r Nominal diameter of mandrel 0 - Contact polnt Figure 1 - Conical washer 4.2 Mandrel, hardened (45 HRC min.) and threaded to tolerante class 6g, except that the toler

28、ante of the major diameter shall be the last quarter of the 6g range on the minimum material side. 1) To be published. (Revision of ISO 898-23980) ENISO10485:20045 Procedure Assemble the nut and conical washer on the mandrel as shown in figure2. The conical washer shall bear against a nut face which

29、 is flat and normal to the nut axis. Apply the specified cone proof load (see clause 6) to the nut. The Speed of testing, as determined with a free- running Cross-head, shall not exceed 3 mm/min. The cone proof load shall be retained for 10 s. 6 Criteria The nut shall support the proof load specifie

30、d in ISO 898-2 or ISO 898-6, as applicable, without Nut - stripping or rupture. Hardened mandrel Figure 2 - Test assembly ENISO10485:2004 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or

31、undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only w

32、hen incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). NOTE Where an International Publication has been modified by common modifications, indicated by (mod.), the relevant EN/HD applies. Publication Ye

33、ar Title EN Year ISO 898-2 1992 Mechanical properties of fasteners - Part 2: Nuts with specified proof load values - Coarse thread EN 20898-2 1993 ENISO10485:2004BS EN ISO 10485:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body respo

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