BS ISO 666-2012 Machine tools Mounting of grinding wheels by means of hub flanges《机床 轮毂式法兰平面磨轮的安装》.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 666:2012Machine tools Mounting ofgrinding wheels by means ofhub flangesBS ISO 666:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of I
2、SO 666:2012. Itsupersedes BS ISO 666:1996 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MTE/13, Grinding wheels, abrasive tools, paper andcloths, and powders.A list of organizations represented on this committee can beobtained on request to its secret
3、ary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 77833 9ICS 25.100.70Compliance with a British Standard cannot con
4、fer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2012.Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 666:2012 ISO 2012Machine tools Mounting of grinding wheels by means of hub fl
5、angesMachines-outils Montage des meules par moyeux-flasquesINTERNATIONAL STANDARDISO666Fourth edition2012-05-15Reference numberISO 666:2012(E)BS ISO 666:2012ISO 666:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012All rights reserved. Unless otherwise specified, no part of
6、this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-12
7、11 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 666:2012ISO 666:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Normative references . 13 Terms and definitions . 24 Requirements . 24.1 General . 24
8、.2 Dimensions . 24.3 Flange socket . 54.4 Material . 74.5 Marking . 75 Designation . 96 Scope of delivery . 9Annex A (informative) Calculation of clamping force and tightening torque for the mounting of abrasive products by means of flanges .10BS ISO 666:2012ISO 666:2012(E)ForewordISO (the Internati
9、onal 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 subject for which a technical committee has been
10、 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 (IEC) on all matters of electrotechnical standa
11、rdization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for vo
12、ting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.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 suc
13、h patent rights.ISO 666 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 5, Grinding wheels and abrasives.This fourth edition cancels and replaces the third edition (ISO 666:2006), which has been technically revised.The significant modifications are the following:a) in 4.2
14、, Figure 1, the tolerance class of the outer diameter, DH2, of the fixed flange has been changed to f6; consequently, the tolerance class of the outer diameter, DH1, of the loose flange has been changed to e7, in order to avoid possible safety problems, in particular, for bonded abrasive products in
15、 cases where the minimum permitted clearance between the hole, H, of the grinding wheel and the diameter, DH2, of the flange is reached and can lead to tangential tensile stress in the wheel;b) in 4.2, Figure 1, the tolerance for the concavity of the flanges part supporting the wheel has been reduce
16、d, in order to obtain a better distribution of the tightening forces on the wheels contact surface.iv ISO 2012 All rights reservedBS ISO 666:2012INTERNATIONAL STANDARD ISO 666:2012(E)Machine tools Mounting of grinding wheels by means of hub flanges1 ScopeThis International Standard specifies the ess
17、ential requirements, especially the dimensions, for hub flanges for plain grinding wheels according to ISO 603-1, ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 and ISO 603-8, with a ratio of the bore diameter to the outside diameter H/D 0,2. It is also applicable to super abrasives with vitrified or me
18、tal core having the same diameters as the grinding wheels in accordance with the according to the aforementioned parts of ISO 603, independently from the material of the core. It applies to grinding wheels with peripheral speeds up to 50 m/s and driving powers of the wheel spindle up to 30 kW.It is
19、not applicable to mounting devices for cutting-off wheels.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 the edition cited applies. For undated references, the lates
20、t edition of the referenced document (including any amendments) applies.ISO 603-1, Bonded abrasive products Dimensions Part 1: Grinding wheels for external cylindrical grinding between centresISO 603-2, Bonded abrasive products Dimensions Part 2: Grinding wheels for centreless external cylindrical g
21、rindingISO 603-4, Bonded abrasive products Dimensions Part 4: Grinding wheels for surface grinding/peripheral grindingISO 603-6, Bonded abrasive products Dimensions Part 6: Grinding wheels for tool and tool room grindingISO 603-7, Bonded abrasive products Dimensions Part 7: Grinding wheels for manua
22、lly guided grindingISO 603-8, Bonded abrasive products Dimensions Part 8: Grinding wheels for deburring and fettling/snaggingISO 702-1, Machine tools Connecting dimensions of spindle noses and work holding chucks Part 1: Conical connectionISO 1119, Geometrical product specifications (GPS) Series of
23、conical tapers and taper anglesISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indicationsISO 4762, Hexagon socket head cap screwsISO 6103, Bonded abrasive products Permissible unbalances of grinding wheels as delivered Static testingI
24、SO 12164-1, Hollow taper interface with flange contact surface Part 1: Shanks DimensionsISO 12164-2, Hollow taper interface with flange contact surface Part 2: Receivers DimensionsISO 13942, Bonded abrasive products Limit deviations and run-out tolerances ISO 2012 All rights reserved 1BS ISO 666:201
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