1、BS ISO 240:2016Milling cutters Interchangeability dimensionsfor cutter arbors or cuttermandrelsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO 240:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 240:2016. It supersed
2、es BS 122-6:1995 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MTE/18, Tools tips and inserts for cutting applications.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport t
3、o include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 76999 3ICS 25.100.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This
4、 British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 240:2016 ISO 2016Milling cutters Interchangeability dimensions for cutter arbors or cutter mandrelsFrai
5、ses mtaux Dimensions dinterchangeabilit avec les arbres porte-fraises ou les mandrins porte-fraiseINTERNATIONAL STANDARDISO240Third edition2016-08-01Reference numberISO 240:2016(E)BS ISO 240:2016ISO 240:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in Switzer
6、landAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be reque
7、sted from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 240:2016ISO 240:2016(E)Foreword iv1 Scope . 12 Di
8、mensions . 12.1 Key drive . 12.2 Tenon drive. 2Annex A (informative) Relationship between designations in this International Standard and ISO 13399 . 4Bibliography 5 ISO 2016 All rights reserved iiiContents PageBS ISO 240:2016ISO 240:2016(E)ForewordISO (the International Organization for Standardiza
9、tion) 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 for which a technical committee has been established has the right to be
10、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 all matters of electrotechnical standardization.The procedures used to
11、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 different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
12、 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 not be held responsible for identifying any or all such patent rights. Details of any patent rights identified duri
13、ng 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 information given for the convenience of users and does not constitute an endorsement.For an explanation on the mean
14、ing 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 the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 29,
15、Small tools, Subcommittee SC 2, Holding tools, adaptive items and interfaces.This third edition cancels and replaces the second edition (ISO 240:1994), of which it constitutes a minor revision with the following changes: deleted Annex A giving the conversion of the metric values into inches; added A
16、nnex A giving the relationship between the symbols of this International Standard and the symbols according to the ISO 13399- series.iv ISO 2016 All rights reservedBS ISO 240:2016INTERNATIONAL STANDARD ISO 240:2016(E)Milling cutters Interchangeability dimensions for cutter arbors or cutter mandrels1
17、 ScopeThis International Standard specifies the dimensions for interchangeability between the cutter and the arbor or mandrel, i.e. the diameter of the bore and the arbor or mandrel and elements of the drive, whether by keying or tenon.It applies to all types of milling cutters mounted on cutter arb
18、ors or mandrels.2 Dimensions2.1 Key driveThe dimensions of key drive shall be in accordance with the dimensions shown in Figure 1 and given in Table 1.Figure 1 Dimensions of key drive ISO 2016 All rights reserved 1BS ISO 240:2016ISO 240:2016(E)Table 1 Dimensions of key driveDimensions in millimetres
19、daaab h11c c1e r r1znom. tol. nom. tol. nom. tol. nom. tol. nom. tol.8 2 6,7010,8,9001+ ,0,160009+ ,0,4010,0,160080,0,0310 3 8,2 11,513 3 11,2 14,616 4 13,2 17,7 0,6020,0,03519 5 15,6 21,10,250015+ ,1030,0,250090,22 6 17,6 24,127 7 22020,29,8002+ ,1,2 0,0432 8 7 27 34,840 10 8 34,5 43,50,4002+ ,0,40
20、150,50 12 8 44,5 53,51,6050,0,04560 14 9 54 64,270 16 10 63,5 75280 18 11 73 85,5100 25 14 91 107 0,6 2,5 0,6020,0,055aTolerances on d (except for gear hobs):on the arbor: h6;on the cutter: H7; on a:for keyway in arbor:free keying: H9;close keying: N9;f or keyway in cutter: C11;key: h9.2.2 Tenon dri
21、veThe dimensions of tenon drive shall be in accordance with the dimensions shown in Figure 2 and given in Table 2.2 ISO 2016 All rights reservedBS ISO 240:2016ISO 240:2016(E)Figure 2 Dimensions of tenon driveTable 2 Dimensions of tenon drivedaArbor Cutter eza h11b h11r max.a1H11b1H13r1max.nom. tol.5
22、 3 2 0,3 3,3 2,50,60,3001+ ,0,158 5 3,5 0,4 5,4 4 0,40,210 6 40,56,4 4,5 0,80,51384,58,45116 50,65,60,6002+ ,1910 5,6 10,4 6,31,22227 12 6,30,812,4 70,832 14 7 14,4 8 1,640 16 8116,4 92 1003+ ,50 18 9 18,4 1060 20 10 20,5 11,2 0,25aTolerances on d (except for gear hobs):on the arbor: h6;on the cutte
23、r: H7. ISO 2016 All rights reserved 3BS ISO 240:2016ISO 240:2016(E)Annex A (informative) Relationship between designations in this International Standard and ISO 13399For the relationship between designations in this International Standard and preferred symbols according to ISO 13399, see Table A.1.
24、Table A.1 Relationship between designations in this International Standard and ISO 13399Symbol in ISO 3364Reference in ISO 3364Property name in the ISO 13399 seriesSymbol in the ISO 13399 seriesReference in the ISO 13399 seriesdFigure 1 Figure 2Connection diameter DCONISO/TS 13399-4, 71EDDBF5060E64
25、ISO 2016 All rights reservedBS ISO 240:2016ISO 240:2016(E)Bibliography1 ISO/TS 13399-4, Cutting tool data representation and exchange Part 4: Reference dictionary for adaptive items ISO 2016 All rights reserved 5BS ISO 240:2016ISO 240:2016(E) ISO 2016 All rights reservedICS 25.100.20Price based on 5
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