1、BRITISH STANDARD BS ISO 14368-2:2003 Mineral and sapphire watch-glasses Part 2: Assembly to the case by adhesive or using a gasket ICS 39.040.10 BS ISO 14368-2:2003 This British Standard was published under the authority of the Standards Policy and Stratergy Committee on 20 February 2003 BSI 20 Febr
2、uary 2003 ISBN 0 580 41278 4 National foreword This British Standard reproduces verbatim ISO 14368-2:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee STI/53, Specifications and test methods for jewellery, horology, which
3、 has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “
4、International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with
5、 a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related internati
6、onal and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the documen
7、t was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 14368-2:2003(E)INTERNATIONAL STANDARD ISO 14368-2 First edition 2003-02-01 Mineral and sapphire watch-glasses Part 2: Assembly to the case by adhesive or using a gasket Verres de montres minraux et en
8、saphir Partie 2: Fixation la bote par collage ou laide dun joint BSISO143682:2003DPlcsid Fremia ihTs PDF file mya ctnoian emdebt dedyfepcaes. In ccacnadrow eitA hebods licnesilop gnic,y tihs file mirp eb yatnde iv roweb detu slahl ton ide ebtlnu deess teh typfecaes wihce era hml era deddebicsnede ti
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11、s f,dnuo plsaee ifnrom ttneC ehlar Secterirata ta teh serddaig sleb nevwo. ISO 3002 All irthgs erse.devr lnUeto sswrehise specified, on trap fo this lbupictaion maeb y cudorperro de tuilizi den yna form ro na ybm ynae,s lecetrinoc ro mceinahcla, incliduntohp gcoiypodna gn micrfoilm, wittuoh repmissi
12、i now nritign from ietI rehSa Ot tsserdda eh ebolw or ISOs memreb i ydobn the cnuotfo yr ttseuqer ehe.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 av leT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o gro We bwww.is.o groii BSISO143682:2003 iiiForeword ISO (the Internationa
13、l 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 es
14、tablished 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 standardi
15、zation. 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 vot
16、ing. 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
17、h patent rights. ISO 14368-2 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
18、 or using a gasket Part 3: Qualitative criteria and test methods BSISO143682:2003INTENRATIONAL TSANDADR IS-86341 O2:(3002E)1Mineral and sapphire watch-glasses Part 2: Assembly to the case by adhesive or using a gasket 1 Scope This part of ISO 14368 specifies dimensional requirements of the interface
19、 for the assembly to the case by adhesive or using a gasket for round-shaped mineral and sapphire watch-glasses. 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 referen
20、ces, the latest edition of the referenced document (including any amendments) applies. 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 grades and limit deviations for holes and sha
21、fts ISO 14368-1, Mineral and sapphire watch-glasses Part 1: Dimensions and tolerances 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 286-1 and ISO 286-2 apply. 3.2 Symbols The symbols and terms used in Figures 1, 2
22、 and 3 are given in Table 1. BSISO143682:20032 Table 1 Symbols and terms Symbol Term c gasket compression in % of width d diameter of the glass d 1dial opening diameter d 2diameter of the circular groove of the glass d 3external gasket diameter (non-compressed) d 4internal gasket diameter (non-compr
23、essed) e 1gasket thickness e 2thickness of compressed gasket e 3space for adhesive h 1cylindrical side height of the glass h 2height of the lower slope of the glass h 3height of the upper slope of the glass h 4determining height for glasses assembled with adhesive h 5height of the circular groove of
24、 the glass h 6height of the internal slopes of the gasket h 7height of compressed gasket h 8height of non-compressed gasket t total thickness of the glass angle of the lower slope of the glass angles of the internal slopes of the gasket Figure 1 Glass secured by adhesive BSISO143682:2003 3Figure 2 F
25、ixing the glass with a gasket Figure 3 Details of the gasket 4 Dimensions 4.1 Glass secured by adhesive 4.1.1 General The dimensions for glass secured by adhesive shall be as given in Figure 1. 4.1.2 Opening The dial opening diameter is calculated using the following equation: d 1u d 0,40 mm or d (2
26、 h 2+ 0,20 mm) BSISO143682:20034 where h 2is in accordance with ISO 14368-1. 4.1.3 Glass circular groove The diameter of the circular groove is calculated using the following equation: d 2= d + 2 e 3where e 3= 0,03 mm to 0,05 mm 4.2 Glass secured with a gasket 4.2.1 General The dimensions for glass
27、secured with a gasket shall be as given in Figures 2 and 3. 4.2.2 Opening The dial opening diameter is calculated using the following equation: d 1u d (2 h 2 tan) + 0,20 mm where h 2is in accordance with ISO 14368-1. 4.2.3 Glass circular groove The diameter of the glass circular groove is calculated
28、 using the following equation: d 2= d + 2 e 24.2.4 Assembly The assembly shall be carried out using either of the two following methods. a) The gasket is first housed in the groove and then the glass is driven in. b) The gasket is first fitted onto the glass surround and is then driven into the glas
29、s groove; this method is valid only for L gaskets, which are not dealt with in this part of ISO 14368. 5 Gasket dimensions The gasket dimensions shall be as given in Table 2. BSISO143682:2003 5Table 2 Gasket dimensions Term Dimension External gasket diameter d 3= d 2Internal gasket diameter d 4= d 3
30、 2 e 1(e 1= e 2+ c) Gasket height after fitting h 7max. = h 5 0,05 mm Height of the circular groove of the glass h 5= h 4 or h 5= t h 3Compression c = 15 % to 35 % of e 1(by taking into account the characteristics of the gasket material) Internal slope angles of the gasket = 30 to 45 Height of the i
31、nternal slopes of the gasket h 6= 0,10 mm to 0,30 mm Height of gasket before fitting h 8= define according to the material 6 Tolerances The tolerances shall be as given in Table 3. Table 3 Tolerances Symbol Tolerance d in accordance with ISO 14368-1 t in accordance with ISO 14368-1 d 1J s 9 d 2J s 8
32、 d 3s10 h 5j s 9 BSISO143682:2003BS ISO 14368-2:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incor
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