1、BRITISH STANDARD BS ISO 9449:2007 Tools for moulding Centring sleeves ICS 25.120.30 BS ISO 9449:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2007 BSI 2007 ISBN 978 0 580 50190 6 National foreword This British Standard was
2、published by BSI. It is the UK implementation of ISO 9449:2007. It supersedes BS 7564-2:1992 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MTE/12, Tools for pressing and moulding. A list of organizations represented on MTE/12 can be obtained on requ
3、est to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Commen
4、ts Reference number ISO 9449:2007(E)INTERNATIONAL STANDARD ISO 9449 Second edition 2007-02-01 Tools for moulding Centring sleeves Outillage de moulage Douilles de centrage BS ISO 9449:2007ii iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national s
5、tandards 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 committee. International
6、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. International Standards are drafted in accordance with the rules gi
7、ven 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 voting. Publication as an International Standard requires approval by at least
8、 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 such patent rights. ISO 9449 was prepared by Technical Committee ISO/TC 29, Sm
9、all tools, Subcommittee SC 8, Tools for pressing and moulding. This second edition cancels and replaces the first edition (ISO 9449:1990), of which it constitutes a minor revision. In particular, the indication of surface textures has been updated in accordance with ISO 1302:2002. BS ISO 9449:2007bl
10、ank1 Tools for moulding Centring sleeves 1 Scope This International Standard specifies the dimensions and tolerances, in millimetres, for centring sleeves intended to be used for locating the spacing blocks in relation to the fixed clamp plates in moulds. It gives indications concerning materials an
11、d hardness, and specifies the designation of centring sleeves which meet the requirements of this International Standard. 2 Dimensions The dimensions of centring sleeves shall conform to the indications of Figure 1 and Table 1. 3 Material and corresponding hardness The material and corresponding har
12、dness are left to the manufacturers discretion. 4 Designation A centring sleeves in accordance with this International Standard shall be designated by: a) “centring sleeve”; b) a reference to this International Standard, i.e. ISO 9449; c) its internal diameter, d; d) its length, l. EXAMPLE The desig
13、nation for a centring sleeve of internal diameter d = 12 mm and length l = 20 mm is as follows: Centring sleeve ISO 9449 - 12 20 BS ISO 9449:20072 Surface roughness values in micrometres NOTE The centring sleeves are intended to fit in bores having a tolerance H7. aThe design of the rear part, for e
14、xtraction purposes, is left to the manufacturers discretion. Figure 1 Centring sleeves Table 1 Dimensions of centring sleeves d 5 1 5 0 , , + +12 16 20 25 32 40 50 D 1 al 0 1 18 22 28 32 40 50 63 20 25 32 40 50 (56) 63 (71) 80 (90) 100 112 125 (140) 160 (180) 200 NOTE Values show in parentheses are
15、to be avoided. aSee Figure 1 for tolerances. BS ISO 9449:20073 Bibliography 1 ISO 1302:2002, Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation BS ISO 9449:2007BS ISO 9449:2007 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Insti
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