BS ISO 1112-2009 Horology - Functional and non-functional jewels《钟表学 功能性和非功能性宝石》.pdf

1、BS ISO 1112:2009ICS 01.040.39; 39.040.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDHorology Functionaland non-functionaljewelsThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 March2009 BSI 2009ISBN 978

2、 0 580 61536 8Amendments/corrigenda issued since publicationDate CommentsBS ISO 1112:2009National forewordThis British Standard is the UK implementation of ISO 1112:2009. Itsupersedes BS ISO 1112:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee STI/

3、53, Specifications and test methods for jewellery andhorology.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Com

4、pliance with a British Standard cannot confer immunityfrom legal obligations.BS ISO 1112:2009Reference numberISO 1112:2009(E)ISO 2009INTERNATIONAL STANDARD ISO1112Third edition2009-02-01Horology Functional and non-functional jewels Horlogerie Pierres fonctionnelles et non fonctionnelles BS ISO 1112:

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8、s given below. COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, no part of 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 a

9、t the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reservedBS ISO 1112:2009ISO 1112:2009(E

10、) ISO 2009 All rights reserved iiiForeword ISO (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 int

11、erested in a subject 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 Electrotechnic

12、al Commission (IEC) on all matters of electrotechnical standardization. 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

13、technical committees are circulated to the member bodies for voting. 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.

14、ISO shall not be held responsible for identifying any or all such patent rights. ISO 1112 was prepared by Technical Committee ISO/TC 114, Horology. This third edition cancels and replaces the second edition (ISO 1112:1999), which has been technically revised. BS ISO 1112:2009ISO 1112:2009(E) iv ISO

15、2009 All rights reservedIntroduction Horological functional jewels, by stabilizing friction and reducing wear, contribute to the quality and longevity of the timekeeping instruments comprising mobile parts. Thus, the number of functional jewels of a timekeeper is a sign of quality. The watch manufac

16、turers use this fact to promote their products and some watch-importing countries use it as a basis for defining custom duties. The extent of these stakes led to the creation of ISO 1112, in order to specify what are horological functional jewels. BS ISO 1112:2009INTERNATIONAL STANDARD ISO 1112:2009

17、(E) ISO 2009 All rights reserved 1Horology Functional and non-functional jewels 1 Scope This International Standard specifies the technical definitions of functional and non-functional horological movement jewels. It describes the different types of jewels used, and how this is to be marked on a tim

18、ekeeping instrument or used in advertising. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any ame

19、ndments) applies. ISO 6426-2, Horological vocabulary Part 2: Technical and commercial definitions 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 6426-2 and the following apply. 3.1 horological jewel non-metallic movement components whose hardness is

20、 higher than HV 1 200 3.2 functional jewel horological jewel (3.1) that serves to stabilize friction and reduce the wear rate of contacting surfaces of the components of a timekeeping instrument and which satisfy the criteria of Clause 4 NOTE Adapted from ISO 6426-2:2002, definition 8.23. 3.3 non-fu

21、nctional jewel horological jewel (3.1) that does not satisfy the criteria for a functional jewel (3.2) 4 Functional jewels 4.1 General The following are considered as functional jewels, whatever their shape. 4.2 Jewels with a hole serving as radial or axial bearings (or both) a) Fixed, with movable

22、arbor (see Figure 1). b) Movable, with fixed arbor (see Figure 2). BS ISO 1112:2009ISO 1112:2009(E) 2 ISO 2009 All rights reservedKey 1 movable arbor Key 1 fixed arbor Figure 1 Figure 2 4.3 Jewels without a hole, serving as axial bearings a) Fixed, with movable arbor (see Figure 3). b) Movable, with

23、 fixed arbor (see Figure 4). Key 1 movable arbor Key 1 fixed arbor Figure 3 Figure 4 4.4 Jewels without a hole, serving as radial bearings See Figure 5. Key 1 movable part Figure 5 BS ISO 1112:2009ISO 1112:2009(E) ISO 2009 All rights reserved 34.5 Jewels with conical recesses (cup bearings), serving

24、 both as radial and axial bearings a) Fixed, with movable arbor (see Figure 6). b) Movable, with fixed arbor (see Figure 7). Key 1 movable arbor Key 1 fixed arbor Figure 6 Figure 7 4.6 Jewels contributing to the transmission of a force or movement, or both simultaneously Examples are jewels used for

25、 the maintenance of an oscillating system with pallets in accordance with ISO 6426-2. 4.7 Jewelled units comprising several jewels Examples are ball-bearings or clutch devices for automatic winding mechanisms. Each unit should be counted as a single functional jewel in the description and marking of

26、 the instrument (see Clause 6). 5 Non-functional jewels All stones that do not serve the purposes described in Clause 4 are regarded as non-functional jewels, as follows. a) Jewels for ornament and replacement. b) Jewels covering a jewel hole but not serving as an axial bearing (see Figure 8). EXAMP

27、LE Oil chamber, dust protection. c) Jewels serving as a support for moving parts such as the hour wheel, ratchet wheel, transmission wheel, winding shaft. d) Jewels serving to limit the occasional displacement of an oscillating mass, or serving as a support for date and calendar discs, etc. (see Fig

28、ures 9 and 10). BS ISO 1112:2009ISO 1112:2009(E) 4 ISO 2009 All rights reservedFigure 8 Figure 9 Figure 10 6 Description or marking In sales literature and general advertising, and in marking the instrument, only the number of functional jewels and functional jewelled units (see 4.7) shall be mentio

29、ned when describing the characteristics of the timekeeping instrument. BS ISO 1112:2009BS ISO 1112:2009ISO 1112:2009(E) ICS 01.040.39; 39.040.01 Price based on 4 pages ISO 2009 All rights reserved BS ISO 1112:2009This page has been intentionally left blank BS ISO1112:2009BSI GroupHeadquarters 389Chi

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