1、BRITISH STANDARD BS ISO 14368-1:2000 Mineral and sapphire watch-glasses Part 1: Dimensions and tolerances ICS 39.040.10 NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAW Incorporating corrigendum January200 6National foreword This British Standard is the UK implementation of ISO 14368-1:2
2、000, incorporating corrigendum January 2006. The UK participation in its preparation was entrusted to Technical Committee STI/53, Specifications and methods of test for jewellery. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does
3、 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. BS ISO 14368-1:2000 This British Standard, having been prepared under the direction of the Sector C
4、ommittee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 September 2001 BSI 2009 Amendments/corrigenda issued since publication Date Comments 31 October 2009 Implementation of ISO corrigendum January 2006. Fits tolerances deleted
5、in Table 2, columns 2 and 6 ISBN 978 0 580 69465 3Reference number ISO 14368-1:2000(E) INTERNATIONAL STANDARD ISO 14368-1 First edition 2000-06-01 Mineral and sapphire watch-glasses Part 1: Dimensions and tolerances Verres de montres minraux et en saphir Partie 1: Dimensions et tolrancesiiISO 14368-
6、1:2000(E) iii Foreword 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 interested in a subject
7、 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 (IEC)
8、on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internatio
9、nal 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 part of ISO 14368 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Interna
10、tional Standard ISO 14368-1 was prepared by Technical Committee ISO/TC 114, Horology, Subcommittee SC 13, Watch-glasses. ISO 14368 consists of the following parts, under the general title Mineral and sapphire watch-glasses: Part 1: Dimensions and tolerances Part 2: Assembly to the case by adhesive o
11、r using a gasket Part 3: Qualitative criteria and test methods BS ISO 146368-1:2000INTERNATIONAL STANDARD ISO 14368-1:2000(E) 1 Mineral and sapphire watch-glasses Part 1: Dimensions and tolerances 1 Scope This part of ISO 14368 specifies the dimensions and tolerances of mineral and sapphire watch-gl
12、asses. It is applicable to round, flat watch-glasses, typically of diameter 8 mm to 35 mm. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO 14368. For dated references, subsequent amendments t
13、o, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 14368 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the
14、normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 286-1, ISO system of limits and fits Part 1: Bases of tolerances, deviations and fits. ISO 286-2, ISO system of limits and fits Part 2: Tables of standard tolerance grade
15、s and limit deviations for holes and shafts. 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this part of ISO 14368, the terms and definitions given in ISO 286-1 and in ISO 286-2 apply. 3.2 Symbols See Figure 1. d diameter of the glass h 1 cylindrical side height of th
16、e glass h 2 height of the lower slope of the glass h 3 height of the upper slope of the glass h 4 determining height for glasses assembled with adhesive t total thickness of the glass angle of the lower slope of the glass BS ISO 146368-1:2000ISO 14368-1:2000(E) 2 Figure 1 Details of symbols 4 Dimens
17、ions The dimensions shall be as given in Tables 1 and 2. For glasses assembled with adhesive, the lower slope height h 2 shall be 0,10 mm provided that height h 4 is no less than t/2 h 4 =( h 2 + h 1 )o rh 4 =( t h 3 ). For glasses assembled with a gasket, the lower slope height h 2 shall be between
18、 0,15 mm and 0,40 mm inclusive, in steps of 0,05 mm, provided that the cylindrical side height of the glass h 1 is no less than t/2 h 1 = t( h 2 + h 3 ). The cylindrical side height of the glass, h 1 , is a determining factor for glasses assembled with a gasket. The lower slope angle of the glass wi
19、ll have the following values: for glasses assembled with adhesive, = 45 for glasses assembled with a gasket, 35u u 40. Table 1 Thickness and diameter of glass Dimensions in millimetres t d From 0,60 to 1,60 in 0,10 mm steps From 8,0 to 35,0 in 0,50 mm steps Table 2 Tolerances Dimensions in millimetr
20、es Tolerances in micrometres Glasses assembled with adhesive Glasses assembled with a gasket t d t d 0,6 to 1,0 8,0 to 10,0 js10 ( 29) 0,6 to 1,0 8,0 to 10,0 js9 ( 18) 10,5 to 18,0 js9,5 ( 28) 10,5 to 18,0 js9 ( 21) 1,0 18,5 to 30,0 js9 ( 26) 1,0 18,5 to 30,0 js8,5 ( 21) 30,5 js9 ( 31) 30,5 js8 ( 19
21、) NOTE 1 The values of the tolerances are in accordance with ISO 286-1 and ISO 286-2. NOTE 2 In certain cases, the tolerances defined for glasses assembled with adhesive may apply to glasses assembled with a gasket. BS ISO 146368-1:2000BSI Group Headquarters 389 Chiswick High Road, London, W4 4AL, U
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