1、BSI Standards PublicationBS ISO 18388:2016Technical productdocumentation (TPD) Relief grooves Types anddimensioningBS ISO 18388:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 18388:2016.The UK participation in its preparation was entrusted to TechnicalCom
2、mittee TDW/4, Technical Product Realization.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards
3、 Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 80999 6ICS 01.100.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 29 February 2016.Amendm
4、ents/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 18388:2016 ISO 2016Technical product documentation (TPD) Relief grooves Types and dimensioningDocumentation technique de produits (DPT) Rainures en relief Types et dimensionnementINTERNATIONAL STANDARDISO18388First edition201
5、6-02-15Reference numberISO 18388:2016(E)BS ISO 18388:2016ISO 18388:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or
6、by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP
7、 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 18388:2016ISO 18388:2016(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Dimensions . 14.1 Relief groove type E 14.2 Relief groove type F 24.3 Relief groove
8、 type G 24.4 Relief groove type H 35 Dimensions of the relief grooves . 45.1 Relief grooves . 45.2 Countersink at the counterpart 56 Designation 57 Presentation on the drawing . 67.1 General . 67.2 Conventional representation . 67.3 Simplified representation 7Bibliography 8 ISO 2016 All rights reser
9、ved iiiContents PageBS ISO 18388:2016ISO 18388:2016(E)ForewordISO (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. E
10、ach member body interested in a subject for 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 Internati
11、onal Electro technical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the differe
12、nt types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall n
13、ot be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is in
14、formation given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see
15、 the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 10, Technical product documentation, Subcommittee SC 6, Mechanical engineering documentation.iv ISO 2016 All rights reservedBS ISO 18388:2016INTERNATIONAL STANDARD ISO 18388:2016(E)Technical
16、 product documentation (TPD) Relief grooves Types and dimensioning1 ScopeThis International Standard specifies a series of relief grooves for shafts and holes, intended for general use in mechanical engineering.It also intends to avoid unnecessary multiplicity of tools by a restricted selection of g
17、roove-types and dimensional versions.NOTE The shape and the dimensions of the relief grooves type G and H correspond with the “Indexable hard material inserts” according to ISO 6987.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and ar
18、e indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 128-22, Technical drawings General principles of presentation Part 22: Basic conventions and applica
19、tions for leader lines and reference linesISO 128-24, Technical drawings General principles of presentation Part 24: Lines on mechanical engineering drawings3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1relief grooveclearance groove of specifi
20、ed form and dimensions created by removing material at an inner corner of a rotationally symmetric workpiece and which is necessary for subsequent machining and assembly with mating parts4 Dimensions4.1 Relief groove type EThe relief groove type E, see Figure 1, shall be applied to workpieces where
21、the planar surface is not subjected to high fatigue loads and where the cylindrical surface will be subsequently machined if necessary. They are also suitable where mating parts have a relatively large counterbore or will not be in contact with the planar surface. ISO 2016 All rights reserved 1BS IS
22、O 18388:2016ISO 18388:2016(E)Keyd1workpiece diameterf width of relief groovesr radius of relief groovest1depth of recessFigure 1 Relief groove for cylindrical surfaces intended for subsequent machining4.2 Relief groove type FThe relief groove type F, see Figure 2, shall be applied to workpieces with
23、 surfaces that are perpendicular to each other and are intended for subsequent machining.Keyd1workpiece diameterf, g width of relief groovesr radius of relief groovest1, t2depth of recessFigure 2 Relief groove for cylindrical and planar surfaces intended for subsequent machining4.3 Relief groove typ
24、e GThe relief groove type G, see Figure 3, shall be applied to workpieces which are not subjected to high fatigue loads and where a small included angle is required.2 ISO 2016 All rights reservedBS ISO 18388:2016ISO 18388:2016(E)Keyd1workpiece diameterf, g width of relief groovesr radius of relief g
25、roovest1, t2depth of recessFigure 3 Relief groove with smaller included angle4.4 Relief groove type HThe relief groove type H, see Figure 4, shall be applied to workpieces with surfaces that are perpendicular to each other and are intended for subsequent machining (but with a greater included angle)
26、.Keyd1workpiece diameterf, g width of relief groovesr radius of relief groovest1, t2depth of recessFigure 4 Relief groove with greater included angle ISO 2016 All rights reserved 3BS ISO 18388:2016ISO 18388:2016(E)5 Dimensions of the relief grooves5.1 Relief groovesThe dimensional values of the reli
27、ef grooves shall be used for holes and shafts, see Table 1.Table 1 Dimensions of the relief groovesDimensions in millimetresTyperat1t2f gCorresponding diameter d1bfor workpiecesSeries 1 Series 2subjected to normal loadscsubjected to higher alternating loadsER0,2 0,1 1 Over 1,6 up to 3 R0,4 0,2 2 Ove
28、r 3 up to 18 R0,6 0,2 2 Over 10 up to 18 R0,6 0,3 2,5 Over 18 up to 80 R0,8 0,3 2,5 Over 18 up to 80 R1 0,2 2,5 Over 18 up to 50R1 0,4 4 Over 80 R1,2 0,2 2,5 Over 18 up to 50R1,2 0,4 4 Over 80 R1,6 0,3 4 Over 50 up to 80R2,5 0,4 5 Over 80 up to 125R4 0,5 7 Over 125FR0,2 0,1 0,1 1 (0,9) Over 1,6 up t
29、o 3 R0,4 0,2 0,1 2 (1,1) Over 3 up to 18 R0,6 0,2 0,1 2 (1,4) Over 10 up to 18 R0,6 0,3 0,2 2,5 (2,1) Over 18 up to 80 R0,8 0,3 0,2 2,5 (2,3) Over 18 up to 80 R1 0,2 0,1 2,5 (1,8) Over 18 up to 50R1 0,4 0,3 4 (3,2) Over 80 R1,2 0,2 0,1 2,5 (2) Over 18 up to 50R1,2 0,4 0,3 4 (3,4) Over 80 R1,6 0,3 0,
30、2 4 (3,1) Over 50 up to 80R2,5 0,4 0,3 5 (4,8) Over 80 up to 125R4 0,5 0,3 7 (6,4) Over 125G R0,4 0,2 0,2 (0,9) (1,1) Over 3 up to 18 HR0,8 0,3 0,05 (2,0) (1,1) Over 18 up to 80 R1,2 0,3 0,05 (2,4) (1,5) Over 18 up to 50aRelief grooves radii of the series 1 have to be preferred.bDoes not apply to pa
31、rts with a short shoulder and thin-walled parts. When a workpiece has different diameters, it may be expedient for manufacturing reasons to use several relief grooves having the same form and size.cType G applies only to workpieces which are not subjected to high fatigue loads.4 ISO 2016 All rights
32、reservedBS ISO 18388:2016ISO 18388:2016(E)5.2 Countersink at the counterpartThe countersink at the counterpart by dimensions a, see Figure 5 and Table 2.Keya dimension of the countersunkd1nominal size of the workpieced2=d1+ 2aFigure 5 Countersink at the counterpartTable 2 Dimension aDimensions in mi
33、llimetresRelief grooves size Minimum dimension a forr t1Type E Type F Type G Type H0,2 0,1 0,2 0 0,4 0,2 0,3 0 0 0,6 0,2 0,5 0,15 0,6 0,3 0,4 0 0,8 0,3 0,6 0,05 0,351,0 0,2 0,9 0,45 1,0 0,4 0,7 0 1,2 0,2 1,1 0,6 1,2 0,3 0,651,2 0,4 0,9 0,1 1,6 0,3 1,4 0,6 2,5 0,4 2,2 1,0 4,0 0,5 3,6 2,1 6 Designatio
34、nThe designation of relief grooves shall include the following elements: the term “Relief groove”; the number of this International Standard, i.e., ISO 18388; a hyphen; designation of the form by the relevant letter; the relief grooves size (radius r and depth t1separated by “”). ISO 2016 All rights
35、 reserved 5BS ISO 18388:2016ISO 18388:2016(E)EXAMPLE Designation of a type E relief groove, radius r = 0,8 mm, depth t1= 0,3 mm:Relief groove ISO 18388 E 0,80,37 Presentation on the drawing7.1 GeneralRelief grooves can be shown in two presentation methods on technical drawings. The first method is t
36、o show the relief groove in a conventional representation and show how to present full details (see Figure 6 and Figure 7). The second method is the simplified representation of relief grooves shown in technical drawings. This method shall preferably be drawn by using a continuous wide line, type 01
37、.2 as in ISO 128-24. Designations shall be given in conjunction with a leader line and reference line as in ISO 128-22 (see Figures 8 and Figure 9).7.2 Conventional representation Dimensions in millimetresFigure 6 Detailed representation of relief grooves F 1,20,26 ISO 2016 All rights reservedBS ISO
38、 18388:2016ISO 18388:2016(E)Dimensions in millimetresFigure 7 Detailed representation of relief grooves E 1,20,27.3 Simplified representationFigure 8 Simplified representation of relief grooves Relief groove ISO 18388 F 1,20,2Figure 9 Simplified representation of relief grooves Relief groove ISO 183
39、88 E 1,20,2 ISO 2016 All rights reserved 7BS ISO 18388:2016ISO 18388:2016(E)Bibliography1 ISO 6987, Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole Dimensions8 ISO 2016 All rights reservedBS ISO 18388:2016BS ISO 18388:2016ISO 18388:2016(E)ICS 01.100.20Price
40、based on 8 pages ISO 2016 All rights reservedThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization prod
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