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    BS EN ISO 8740-1998 Grooved pins - Full-length parallel grooved with chamfer《带槽销 有倒角的全长直槽型销》.pdf

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    BS EN ISO 8740-1998 Grooved pins - Full-length parallel grooved with chamfer《带槽销 有倒角的全长直槽型销》.pdf

    1、BRITISH STANDARD BS EN ISO 8740:1998 Grooved pins Full-length parallel grooved, with chamfer The European Standard EN ISO8740:1997 has the status of a British Standard ICS 21.060.50BSENISO8740:1998 This British Standard, having been prepared under the direction of the Engineering Sector Board, was p

    2、ublished under the authority of the Standards Board and comes into effect on 15 May 1998 BSI 05-1999 ISBN 0 580 29400 5 National foreword This British Standard is the English language version of EN ISO 8740:1997. It is identical with ISO8740:1997. It supersedes BS EN28740:1992 which is withdrawn. Th

    3、e UK participation in its preparation was entrusted by Technical Committee FME/9, Bolts, nuts and accessories, to Subcommittee FME/9/6, General purpose fasteners and accessories, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European

    4、committee any 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. A list of organizations represented on this Subcommittee can be obtained on request to its secretary. Cro

    5、ss-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred t

    6、o in this document may be found in the BSI Standards Catalogue under the section entitled “International 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 contra

    7、ct. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theENISO title page, page 2, the

    8、ISO title page, page ii, pages 1 to 4 and abackcover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSENISO8740:1998 BSI

    9、05-1999 i Contents Page National foreword Inside front cover Foreword 2 Foreword ii Text of ISO 8740 1ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 8740 November 1997 ICS 21.060 Supersedes EN 28740:1992 Descriptors: See ISO document English version Grooved pins Full-length paralle

    10、l grooved, with chamfer (ISO DIS8740:1997) Goupilles canneles cannelures constantes sur toute la longueur dbouchantes, chanfrein (ISO8740:1997) Zylinderkerbstifte mit Fase (ISO8740:1997) This European Standard was approved by CEN on18 October1997. CEN members are bound to comply with the CEN/CENELEC

    11、 Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN

    12、member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN mem

    13、bers are the national standards bodies of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalis

    14、ation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO8740:1997 EENISO8740:1997 BSI 05-1999 2 Foreword The text of the International St

    15、andard ISO8740:1997 has been prepared by Technical Committee ISO/TC2 “Fasteners” in collaboration with Technical Committee CEN/TC185 “Threaded and non-threaded mechanical fasteners and accessories” the secretariat of which is held by DIN. This European Standard supersedes EN28740:1992. This European

    16、 Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May1998, and conflicting national standards shall be withdrawn at the latest by May1998. According to the CEN/CENELEC Internal Regulations, the national standard

    17、s organizations of the following countries are bound to implement this European Standard: Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the UnitedKingdom. Endorsement noti

    18、ce The text of the International Standard ISO8740:1997 was approved by CEN as a European Standard without any modification. NOTENormative references to International Standards are listed in Annex ZA (normative). Contents Page Foreword 2 1 Scope 1 2 Normative references 1 3 Dimensions 1 4 Application

    19、 3 5 Requirements and reference International Standards 3 6 Designation 3 Annex ZA (normative) Normative references to international publications with their relevantEuropean publications 4 Figure 1 1 Table 1 Dimensions 2 Table 2 Requirements and reference International Standards 3ENISO8740:1997 ii B

    20、SI 05-1999 Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject fo

    21、r which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on

    22、all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least75% of the member bodies casting a vote. International Standard ISO

    23、8740 was prepared by Technical Committee ISO/TC2, Fasteners. This second edition cancels and replaces the first edition (ISO8740:1986), which has been technically revised. Descriptors: Fasteners, steel products, pins (mechanics), grooved pins, specifications, characteristics, dimensions, designation

    24、.ENISO8740:1997 BSI 05-1999 1 1 Scope This International Standard specifies the characteristics of full-length parallel grooved pins made of steel or austenitic stainless steel with chamfer which have three equally spaced grooves impressed longitudinally on their exterior surface and a pilot to faci

    25、litate insertion, with nominal diameter, d 1 , from1,5mm to25mm inclusive. The displaced material to each side of the grooves forming an expanded diameter d 2which is larger than the nominal diameter d 1will cause a non-positive locking fit when these grooved pins are forced into a drilled hole equa

    26、l to the nominal diameter d 1(see clause 4). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revi

    27、sion, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 3269:1988, Fasteners Acc

    28、eptance inspection. ISO 3506-1:1997, Corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs. ISO 4042:, Fasteners Electroplated coatings 1) . ISO 8749:1986, Pins and grooved pins Shear test. ISO 9717:1990, Phosphate conversion coatings for metals Method of specifying requireme

    29、nts. 3 Dimensions See Figure 1 and Table 1. 1) To be published. (Revision of ISO 4042:1989) Figure 1 ENISO8740:1997 2 BSI 05-1999 Table 1 Dimensions Dimensions in millimetres d 1 nom. 1,5 2 2,5 3 4 5 6 8 10 12 16 20 25 tol. h9 h11 c 1 . 0,12 0,18 0,25 0,3 0,4 0,5 0,6 0,8 1 1,2 1,6 2 2,5 c 2 0,6 0,8

    30、1 1,2 1,4 1,7 2,1 2,6 3 3,8 4,6 6 7,5 a . 0,2 0,25 0,3 0,4 0,5 0,63 0,8 1 1,2 1,6 2 2,5 3 Minimum shear strengthdouble a kN 1,6 2,84 4,4 6,4 11,3 17,6 25,4 45,2 70,4 101,8 181 283 444 l b Expanded diameter, d, 2 c, dnom. min. max. 0,05 0,1 8 7,75 8,25 10 9,75 10,25 12 11,5 12,5 14 13,5 14,5 1,6 16 1

    31、5,5 16,5 18 17,5 18,5 2,15 20 19,5 20,5 2,65 22 21,5 22,5 3,2 24 23,5 24,5 26 25,5 26,5 4,25 28 27,5 28,5 5,25 30 29,5 30,5 32 31,5 32,5 6,3 35 34,5 35,5 40 39,5 40,5 8,3 10,3 5 45 44,5 45,5 12,35 50 49,5 50,5 16,4 55 54,25 55,75 20,5 25,5 60 59,25 60,75 65 64,25 65,75 70 69,25 70,75 75 74,25 75,75

    32、80 79,25 80,75 85 84,25 85,75 90 89,25 90,75 95 94,25 95,75 100 99,25 100,75 a Applies only to grooved pins made from steel as shown in clause5. b The range of commercial lengths is between the stepped lines. c The expanded diameter, d 2 , applies only to pins made from steel as shown in clause 5. F

    33、or other materials, for example stainless steel, a reduction amount shall be subtracted from the given values and should be agreed between customer and supplier. d For testing d 2 , a GO/NO GO ring gauge should be used.005 , + 0ENISO8740:1997 BSI 05-1999 3 4 Application The diameter of the hole into

    34、 which the groove pin is to be inserted shall be equal to the nominal diameter d 1of the mating pin and to tolerance class H11. 5 Requirements and reference International Standards See Table 2. 6 Designation EXAMPLE 1 A full-length parallel grooved steel pin with chamfer with nominal diameter d 1= 6

    35、mm and nominal length l = 50mm is designated as follows: Grooved pin ISO8740 6 50 St EXAMPLE 2 A full-length parallel grooved austenitic stainless steel pin of grade A1 with chamfer, with nominal diameter d 1= 6mm and nominal length l =50mm is designated as follows: Grooved pin ISO8740 6 50 A1 Table

    36、 2 Requirements and reference International Standards Steel (St) Austenitic stainless steel Material a Hardness 125 HV30 to 245 HV30 A1 in accordance with ISO 3506-1, hardness 210 HV30 to 280 HV30 Grooves Form of groove at the discretion of the supplier Plain, i.e.pins to be supplied in natural fini

    37、sh treated with a protective lubricant, unless otherwise specified by agreement between customer and supplier. Surface finish Preferred coatings are black oxide, phosphate coating or zinc plating with chromate conversion coating (seeISO9717 and ISO4042). Plain, i.e. pins to be supplied in natural fi

    38、nish. Other coatings as agreed between customer and supplier. All tolerances shall apply prior to the application of a plating or coating. Workmanship Pins shall be free of irregularities or detrimental defects. Shear strength test The test shall be in accordance with ISO 8749. Acceptability The acc

    39、eptance procedure is covered in ISO3269. a Other materials as agreed between customer and supplier.ENISO8740:1997 4 BSI 05-1999 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated re

    40、ference, provisions from other publications. These normative references 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 when incorporat

    41、ed in it by amendment or revision. For undated references the latest edition of the publication referred to applies. Publication Year Title EN Year ISO 8749 1986 Pins and grooved pins Shear test EN 28749 1992blankBS EN ISO 8740:1998 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitu

    42、tion BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should

    43、make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee r

    44、esponsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, intern

    45、ational and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requeste

    46、d. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services.

    47、Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:0208996700

    48、2. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the internationalstandardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval

    49、 system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreemen


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