1、BSI Standards PublicationBS ISO 243:2014Turning tools with carbide tips External toolsBS ISO 243:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 243:2014.The UK participation in its preparation was entrusted to TechnicalCommittee MTE/18, Tools tips and ins
2、erts for cutting applications.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 Institution 2
3、014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84927 5ICS 25.100.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2014.Amendments issued since
4、publicationDate Text affectedBS ISO 243:2014 ISO 2014Turning tools with carbide tips External toolsOutils de tour plaquettes en carbures mtalliques Outils dextrieurINTERNATIONAL STANDARDISO243Second edition2014-07-15Reference numberISO 243:2014(E)BS ISO 243:2014ISO 243:2014(E)ii ISO 2014 All rights
5、reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2014All 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 wr
6、itten permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO
7、243:2014ISO 243:2014(E) ISO 2014 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Specifications . 13.1 Types of external tools . 13.2 Shank sections . 13.3 Overall lengths. 24 Definition of right-hand tool and left-hand tool 25 Dimensions . 25.1 Overall lengths. 2
8、5.2 Dimensions of tools No. 1, 2, 3. 35.3 Dimensions of tools No. 4, 5, 6, 7 . 4Annex A (informative) Relationship between designations in ISO 243 and ISO 13399 series 5Bibliography 6BS ISO 243:2014ISO 243:2014(E)ForewordISO (the International Organization for Standardization) is a worldwide federat
9、ion 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 represented on that committe
10、e. 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 develop this document and th
11、ose 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 ISO/IEC Directives, Part 2
12、(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 during the development of the do
13、cument 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 meaning of ISO specific terms an
14、d 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 information.The committee responsible for this document is ISO/TC 29, Small tools, Subcommittee S
15、C 9, Tools with cutting edges made of hard cutting materials.This second edition cancels and replaces the first edition (ISO 243:1975), of which it constitutes a minor revision.iv ISO 2014 All rights reservedBS ISO 243:2014INTERNATIONAL STANDARD ISO 243:2014(E)Turning tools with carbide tips Externa
16、l tools1 ScopeThis International Standard specifies the types and the dimensions of turning tools with carbide tips; it deals only with external tools. It also gives the definition of right-hand and left-hand tools.The shank sections and the inserts used are selected respectively from those defined
17、in ISO 241 and ISO 242.NOTE Internal tools are the subject of ISO 514; designation and marking are the subject of ISO 504.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, o
18、nly the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 241, Shanks for turning and planing tools Shapes and dimensions of the sectionISO 242, Carbide tips for brazing on turning tools3 Specifications3.1 Types of ext
19、ernal toolsOnly seven types of tools, regarded as those most commonly used, have been retained; except for No. 4, each of these types can be provided as a left-hand or right-hand tool.Dimension l given in Table 2 and Table 3 is the nominal length of the ISO tip. It is equal to:b for tool No. 4;0,8 b
20、 for tools No. 1, 2, 3, 5 and 6;0,4 b for tool No. 7.Dimensions n and p, the 20 angle of tool No. 1, and in particular, the cutting angle of 10, are given for information only, but should be used unless otherwise specified, particularly in the case of tools delivered from stock.3.2 Shank sectionsFor
21、 the particular case of external tools, only two types of sections are selected from among the various types provided for in ISO 241.a) the square section h = b;b) the rectangular section with a ratio of h/b = 1,6 approximately.NOTE The choice between these two sections for any given tool is in acco
22、rdance with the table for external tools. This choice is based on present-day techniques, but may be subject to revision in the future on the basis of studies to be undertaken by various countries with a view to establishing which type of section is best adapted to its purpose from a technical point
23、 of view. ISO 2014 All rights reserved 1BS ISO 243:2014ISO 243:2014(E)3.3 Overall lengthsOnly one range of overall lengths is specified, the length being a function of the height h of the shank, whether of square or rectangular section.These lengths, ranged approximately in the series of preferred n
24、umbersR 40/2 for h from 10 mm to 25 mm, andR 40/3 for h from 32 mm to 63 mm,are practically a linear expression in terms of h, no value departing by more than 5 mm from the minimum value obtained with the linear formula:3,6 h + 55 4 Definition of right-hand tool and left-hand toolTo define whether t
25、he direction of a tool is left-hand or right-hand, it is assumed that the tool in question is mounted on its base on a vertical table, with the leading face towards the onlooker and at the bottom.In these conditions, the tool is defined as right-hand when its cutting edge is directed towards the rig
26、ht of the onlooker, and as left-hand in the opposite case. See Figure 1.Figure 1 Right-hand tool and left-hand tool5 Dimensions5.1 Overall lengthsThe overall length of the tool is a function of the height h of the shank (square or rectangular section), as given in Table 1. See Figure 2.Figure 2 Dime
27、nsionsTable 1 DimensionsDimensions in millimetresHeight h 10 12 16 20 25 32 40 50 63Length La90 100 110 125 140 170 200 240 280aTolerance on length L: 05+%2 ISO 2014 All rights reservedBS ISO 243:2014ISO 243:2014(E)5.2 Dimensions of tools No. 1, 2, 3Table 2 Dimensions of tools No. 1, 2, 3Cutting ang
28、le = 10 (for information only)l = nominal length of standard carbide tipTool designation No. 1 2 3Type of car-bide tip for a toolright-hand A C C A Cleft-hand B C C B CTool Section h bLength Lal n l n l n10 10 90 8 4 8 612 12 100 10 5 10 716 16 110 12 6 12 820 20 125 16 8 16 1025 25 140 20 10 20 123
29、2 32 170 25 12 25 1440 40 200 32 16 32 1850 50 240 40 20 40 2212 8 100 16 10 110 8 520 12 125 10 625 16 140 12 832 20 170 16 1040 25 200 20 1250 32 240 25 14aTolerance on length L: 05+%NOTE 1 The dimension n, the angle of 20 in tool No. 1, and in particular the cutting angle of 10 are given only for
30、 information, but unless otherwise specified, they should be followed for tools delivered from stock.NOTE 2 The choice of tip A or B (according to the end of the tool) and C, for tools No. 1, 2 and 3, is left to the manufacturers discretion. The same applies in all cases to the method of fixing the
31、tip to the tool. ISO 2014 All rights reserved 3BS ISO 243:2014ISO 243:2014(E)5.3 Dimensions of tools No. 4, 5, 6, 7Table 3 Dimensions of tools No. 4, 5, 6, 7Cutting angle = 10 (for information only)l = nominal length of standard carbide tipTool designation No. 4 5 6 7Type of carbide tip for a toolri
32、ght-handC A C A C Dleft-hand C B C B C DTool Section h bLength Lal p l n l n l p10 10 90 8 412 12 100 10 516 16 110 12 620 20 125 16 10 16 825 25 140 20 12 20 1032 32 170 25 16 25 1240 40 200 32 20 32 1450 50 240 40 25 40 1812 8 100 3 1216 10 110 4 1420 12 125 12 20 5 1625 16 140 16 25 6 2032 20 170
33、 20 32 8 2540 25 200 25 40 10 3250 32 240 32 50 12 40aTolerance on length L: 05+%NOTE 1 The dimensions n and p, and in particular the cutting angle of 10, are given only for information, but unless otherwise specified, they should be followed for tools delivered from stock.NOTE 2 The choice of tip A
34、 or B (according to the end of the tool) and C, for tools No. 5 and 6, is left to the manufacturers discretion. The same applies in all cases to the method of fixing the tip to the tool. For tool No. 7, however, the back face of the tip must be brazed.4 ISO 2014 All rights reservedBS ISO 243:2014ISO
35、 243:2014(E)Annex A (informative) Relationship between designations in ISO 243 and ISO 13399 seriesTable A.1 Relationship between designations in ISO 243 and ISO 13399 seriesSymbol in ISO 243Reference in ISO 243 Property name in ISO 13399Symbol in ISO 13399Reference in ISO 13399b Clause 3.2; Clause
36、5.2, Table 2; Clause 5.3, Table 3shank width B ISO/TS 13399-3 ID-#: 71CF298751FCFh Clause 3.2; Clause 5.1, Table 1; Clause 5.2, Table 2; Clause 5.3, Table 3shank height H ISO/TS 13399-3 ID-#: 71CF29883E014 Clause 4 hand HAND ISO/TS 13399-3 ID-#: 71CF29872F0ABL Clause 3.3; Clause 5.1, Table 1; Clause
37、 5.2, Table 2; Clause 5.3, Table 3, style 5, 6functional length LF ISO/TS 13399-3 ID-#: 71CE7A9DFA23Al Clause 3.1; Clause 5.2, Table 2; Clause 5.3, Table 3, style 5, 6cutting edge length L ISO/TS 13399-2 ID-#: 71DD6C95DA49Bl Clause 3.1; Clause 5.3, Table 3, style 4, 7cutting width CW ISO/TS 13399-2
38、ID-#: 71CEAEBE2B825n Clause 3.1; Clause 5.2, Table 2; Clause 5.3, Table 3functional width 2 WF2 ISO/TS 13399-3 ID-#: 71D193F495583p Clause 3.1; Clause 5.3, Table 3cutting depth maxi-mumCDX ISO/TS 13399-3 ID-#: 71CEAEBD5A66A20 Clause 5.2, Table 2; tool lead angle PSIR ISO/TS 13399-3 ID-#: 71D078F7761
39、6B45 Clause 5.2, Table 2; tool lead angle PSIR ISO/TS 13399-3 ID-#: 71D078F77616B ISO 2014 All rights reserved 5BS ISO 243:2014ISO 243:2014(E)Bibliography1 ISO 504, Turning tools with carbide tips Designation and marking2 ISO 514, Turning tools with carbide tips Internal tools6 ISO 2014 All rights r
40、eservedBS ISO 243:2014BS ISO 243:2014ISO 243:2014(E) ISO 2014 All rights reservedICS 25.100.10Price based on 6 pagesThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorpor
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