BRITISH STANDARD AUTOMOBILE SERIES BS AU 214 3 1988 ISO 7647 1986 Gearbox flanges — Part 3 Specification for dimensions for type S gearbox flanges for commercial vehicles and buses [ISO title Commerci[.]
Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BRITISH STANDARD AUTOMOBILE SERIES BS AU 21 4-3:1 988 ISO 7647:1 986 Gearbox flanges — Part 3: Specification for dimensions for type S gearbox flanges for commercial vehicles and buses [ISO title: Commercial vehicles and buses — Gearbox flanges — Type S] UD C 62 1 4/ : 62 82 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Standards Committee (AUE/- ) to Technical Committee AUE/1 3, upon which the following bodies were represented: British Railways Board Department of Transport (Highways) Freight Transport Association Institute of Road Transport Engineers (Incorporated) London Regional Transport Ministry of Defence National Bus Company Road Haulage Association Ltd Society of Motor Manufacturers and Traders Limited This British Standard, having been prepared under the direction of the Automobile Standards Committee, was published under the authority of the Board of BSI and comes into effect on 29 January 988 © BSI 02- 2000 The following BSI references relate to the work on this standard: Committee reference AUE/1 Draft for comment 82/75549 DC ISBN 80 63 65 Amendments issued since publication Amd No Date of issue Comments Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 Contents Page Committees responsib le National foreword ii Scope and field of application References D imensions and tolerances D esignation Figure 1 Figure 2 Figure Tab le — D imensions and tolerances Pub lications referred to © BSI 02 - 000 Inside front cover Inside back cover i Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 National foreword This British Standard has been prepared under the direction of the Automobile Standards Committee and is identical with ISO 7647: 986 “Co m m ercial v ehicles ”, published by the International and b uses — Gearb ox flanges — Typ e S Organization for Standardization (ISO) Terminology and conventions The text of the International Standard has been approved as suitable for publication as a British Standard without deviation Some terminology and certain conventions are not identical with those used in British Standards; attention is drawn especially to the following The comma has been used as a decimal marker In British Standards it is current practice to use a full point on the baseline as the decimal marker Wherever the words “International Standard” appear, referring to this standard, they should be read as “British Standard” Cross-references International Standard C orresponding British Standard ISO/R 286: 962 BS 4500 ISO Lim its and fits Part : 969 General, tolerances and deviatio ns (Technically equivalent) ISO 7646: 986 BS AU 21 Part 2: 987 Gearb ox flanges Sp ecificatio n fo r dim ensio ns fo r typ e A gearb o x flanges fo r co m m ercial v ehicles and b uses (Identical) The Technical Committee has reviewed the provisions of ISO 1 01 : 983 to which reference is made in the text, and has decided that they are acceptable for use in conj unction with this standard A related British Standard to ISO 1 01 is BS 308 “Engineering draw ing p ractice” Part 3: 972 ” “Geo m etrical tolerancing 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 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, pages to 4, an inside back cover and a back cover 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 ii © BSI 02- 2000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 Scope and field of application Dimensions and tolerances This International Standard specifies the nominal Nominal dimensions, tolerances and bolt hole fixing dimensions and tolerances which affect the positions which affect the interchangeability of type interchangeability between gearbox flanges and S flanges for gearboxes are shown in Figure to mating parts used on commercial vehicles and Figure 3, and given in the Table buses The flanges covered by this International Designation Standard are designated type S They are not interchangeable with type A flanges dealt with in ISO 7646 Dimensions not specified are left to the discretion of the component manufacturer b) the size code (see Table); ISO sys tem of lim its and fits ISO 1 01 , c) the number of fixing bolts; d) the size of the fixing bolts Exam p le: orientation, lo cation and run- o ut — Generalities, sym b ols, 1) Technical draw ings — Geo m etrical tolerancing — Tolerancing of fo rm , Designation of a gearbox flange type S with size definitions , code 500 and four mm fixing bolts: indicatio ns on draw ings ISO 7646, following details in the order specified: a) reference to this International Standard; References ISO 286, Gearbox flanges meeting the requirements of this International Standard shall be identified by the Flange ISO 7647 — 500 Ro ad v ehicles — Gearb ox flanges for × × 14 co m m ercial vehicles and b uses — Typ e A Figure 1) At present at the stage of draft (Revision of ISO/R 286: 962 ) © BSI 02- 2000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 Figure Figure © BSI 02 - 000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 Table — Dimensions and tolerances Dimensions in millimetres Figure Size code 1 00 300 400 500 51 600 700 800 d1 number 1 1 2 a See ISO 286 b This dimension © BSI 02-2000 87 97 116 151 146 175 203 203 Number of holes 4 4 8 12 d5 +0,2 8,1 10,1 12,1 14,1 12,1 10,1 10,1 10,1 d3 H7 a d2 69,85 79,37 95,25 120,65 120,65 155,57 184,15 184,15 57,10 60,32 69,85 95,25 95,25 168,22 196,86 196,86 d4 b l –0,5 –0,2 56,4 62,2 76 98,4 101,4 138,4 167 167 8 10 10 11 11 11 h +0,2 2,0 2,3 2,3 2,3 2,3 1,5 1,5 1,5 shall be used when required to prevent bolt heads from rotating Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI blank Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI Publications referred to See national foreword © BSI 02 - 000 BS AU 21 4-3:1 988 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 02: 05: 00 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 4-3:1 988 ISO 7647:1 986 BSI — British Standards Institution BS I is the indep endent national b ody res p ons ib le for p rep aring Britis h S tandards It p res ents the UK view on s tandards in E urop e and at the international level It is incorp orated b y Royal C harter Revisions Britis h S tandards are up dated b y amendment or revis ion Us ers of Britis h S tandards should make s ure that they p oss es s the latest amendments or editions It is the constant aim of BS I to imp rove the quality of our p roducts and services We would b e grateful if anyone finding an inaccuracy or amb iguity while us ing this Britis h S tandard would inform the S ecretary of the technical committee res p ons ib le, the identity of which can b e found on the inside front cover Tel: 02 89 96 90 00 Fax: 02 89 96 40 BS I offers memb ers an individual up dating s ervice called PLUS which ens ures that s ub s crib ers automatically receive the lates t editions of s tandards Buying standards O rders for all BS I, international and foreign s tandards p ub lications s hould b e addres s ed to C us tomer S ervices Tel: 899 00 Fax: 899 7001 In res p ons e to orders for international standards , it is BS I p olicy to sup p ly the BS I imp lementation of thos e that have b een p ub lis hed as Britis h S tandards, unless otherwis e requested Information on standards BS I p rovides a wide range of information on national, E urop ean and international standards through its Lib rary and its Technical H elp to E xp orters S ervice Various BS I electronic information s ervices are also availab le which give details on all its p roducts and s ervices C ontact the Information C entre Tel: 02 89 96 71 1 Fax: 02 89 96 048 S ub s crib ing memb ers of BS I are kep t up to date with s tandards develop ments and receive sub s tantial discounts on the p urchase p rice of s tandards For details of thes e and other b enefits contact Memb ership Adminis tration Tel: 02 89 96 70 02 Fax: 02 89 96 00 Copyright C op yright s ub s is ts in all BS I p ub lications BS I als o holds the cop yright, in the UK, of the p ub lications of the international s tandardization b odies E xcep t as p ermitted under the C op yright, D es igns and Patents Act 988 no extract may b e rep roduced, s tored in a retrieval s ystem or transmitted in any form or b y any means – electronic, p hotocop ying, recording or otherwis e – without p rior written p ermis s ion from BS I This does not p reclude the free us e, in the cours e of imp lementing the standard, of necess ary details such as s ymb ols, and size, typ e or grade designations If thes e details are to b e used for any other p urp os e than imp lementation then the p rior written p ermiss ion of BS I must b e ob tained If p ermis sion is granted, the terms may include royalty p ayments or a licensing agreement D etails and advice can b e ob tained from the C op yright Manager BS I 89 C his wick H igh Road London W4 4AL Tel: 02 89 96 70