1、BSI Standards PublicationBS ISO 7755-8:2013Hardmetal burrsPart 8: Flame burrs (style H)BS ISO 7755-8:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 7755-8:2013.The UK participation in its preparation was entrusted to TechnicalCommittee MTE/18, Tools tips
2、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 to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Instit
3、ution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80975 0ICS 25.100.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2013.Amendments issu
4、ed since publicationDate Text affectedBS ISO 7755-8:2013 ISO 2013Hardmetal burrs Part 8: Flame burrs (style H)Fraises-limes en mtaux-durs Partie 8: Fraises-limes flammes (forme H)INTERNATIONAL STANDARDISO7755-8Second edition2013-08-15Reference numberISO 7755-8:2013(E)BS ISO 7755-8:2013ISO 7755-8:201
5、3(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All 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
6、 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 officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPubl
7、ished in SwitzerlandBS ISO 7755-8:2013ISO 7755-8:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Dimensions . 1Annex A (informative)Relationship between designations in this part of ISO 7755and the ISO 13399 series . 3Bibliography 4BS ISO 7755-8:2
8、013ISO 7755-8:2013(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. Each member body interested in a s
9、ubject 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 International Electrotechnical Commission
10、(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 different types of ISO documents should b
11、e noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directivesAttention 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 a
12、ny 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. www.iso.org/patentsAny trade name used in this document is information given for the convenience of users a
13、nd does not constitute an endorsement.The committee responsible for this document is ISO/TC 29, Small tools, Subcommittee SC 9, Tools with cutting edges made of hard cutting materials.This second edition cancels and replaces the first edition (ISO 7755-8:1984), of which it constitutes a minor revisi
14、on.ISO 7755 consists of the following parts, under the general title Hardmetal burrs: Part 1: General specifications Part 2: Cylindrical burrs (style A) Part 3: Cylindrical round- (ball-) nose burrs (style C) Part 4: Spherical burrs (style D) Part 5: Oval burrs (style E) Part 6: Arch round- (ball-)
15、nose burrs (style F) Part 7: Arch pointed-nose burrs (style G) Part 8: Flame burrs (style H) Part 9: 60 and 90 cone burrs (styles J and K) Part 10: Conical round- (ball-) nose burrs (style L) Part 11: Conical pointed-nose burrs (style M) Part 12: Inverted cone burrs (style N)iv ISO 2013 All rights r
16、eservedBS ISO 7755-8:2013INTERNATIONAL STANDARD ISO 7755-8:2013(E)Hardmetal burrs Part 8: Flame burrs (style H)1 ScopeThis part of ISO 7755 specifies the main dimensions of the cutting part for hardmetal burrs of flame shape and designated by the symbol H.Tolerances on the cutting diameter, directio
17、n of helix and cut, diameter and length of the cylindrical shank and designation of burrs are dealt with in ISO 7755-1.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only
18、 the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 7755-1, Hardmetal burrs Part 1: General specifications3 DimensionsSee Figure 1 and Table 1. Tolerances on the cutting diameter, direction of helix and cut, diamete
19、r and length of the cylindrical shank and designation of burrs are specified in ISO 7755-1.dlRFigure 1 Hardmetal burr, style H ISO 2013 All rights reserved 1BS ISO 7755-8:2013ISO 7755-8:2013(E)Table 1 DimensionsDimensions in millimetresd lR 3 7 0,8a6 18 1,0a8 20 1,510 25 2,012 32 2,516 36 2,5aThese
20、burrs may be manufactured with either a flat or a pointed nose.NOTE The profile is made up of an end radius, R, and of a radius tangent to the end radius extending beyond the point of tangency with the larger diameter.2 ISO 2013 All rights reservedBS ISO 7755-8:2013ISO 7755-8:2013(E)Annex A (informa
21、tive)Relationship between designations in this part of ISO 7755and the ISO 13399 seriesFor the relationship between designations in this part of ISO 7755 and preferred symbols according to the ISO 13399 series, see Table A.1.Table A.1 Relationship between designations in this part of ISO 7755 and th
22、e ISO 13399 seriesSymbol in this part of ISO 7755 (ISO 7755-8)Reference in this part of ISO 7755 (ISO 7755-8)Property name in the ISO 13399 seriesSymbol in the ISO 13399 seriesReference in the ISO 13399 seriesd Clause 3 Cutting diameter DC ISO/TS 13399-371D084653E57Fl Clause 3 Cutting edge length L
23、ISO/TS 13399-371DD6C95DA49BR Clause 3 Profile radius PRFRAD ISO/TS 13399-371E019EBAE1B1 ISO 2013 All rights reserved 3BS ISO 7755-8:2013ISO 7755-8:2013(E)Bibliography1 ISO 13399 (all parts), Cutting tool data representation and exchange4 ISO 2013 All rights reservedBS ISO 7755-8:2013BS ISO 7755-8:20
24、13ISO 7755-8:2013(E) ISO 2013 All rights reservedICS 25.100.20Price based on 4 pagesThis 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 S
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