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1、INTERNATIONAL STANDARD IS0 3185 First edition 1993-I 2-15 Aerospace - Bolts, normal bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions Ahronautique et espace - Vis 4 t&e bhexagonale n
2、ormale, avec tige normale et filetage MJ court ou de longueur moyenne, en matkriau m&allique, revhues ou non rev&es, des classes de rksistance inf&ieures ou &gales B 1 100 MPa - Dimensions Reference number IS0 3185:1993(E) Copyright International Organization for Standardization Provided by IHS unde
3、r license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 3185:1993(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national sta
4、ndards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 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 or
5、ganizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are
6、 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. International Standard IS0 3185 was prepared by Technical Committee ISOflC 20, Aircraft and space vehicles, Sub-Committee SC 4, Aerospace fast
7、ener systems. 0 IS0 1993 All rights reserved. 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 per- mission in writing from the publisher. International Organization for Standardization Case
8、 Postale 56 ? CH-1211 Geneve 20 ? Switzerland Printed in Switzerland ii Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted withou
9、t license from IHS -,-,- INTERNATIONAL STANDARD IS0 3185:1993(E) Aerospace - Bolts, normal bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions 1 Scope This International Standard speci
10、fies the dimensions of normal bihexagonal head bolts, with close or large tolerance normal shank, and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa. It is intended for the drawing up of aerospace product standards.
11、2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on th
12、is International Standard are encouraged to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of cur- rently valid International Standards. IS0 286-2:1988, IS0 system of limits and fits - Part 2: Tables of s
13、tandard tolerance grades and limit deviations for holes and shafts. IS0 3353:1992, Aerospace - Rolled threads for bolts - Lead and runout requirements. IS0 4095:1978, Fasteners for aerospace construction - Bi-hexagonal wrenching configuration. IS0 5855-2:1988, Aerospace - MJ threads - Part 2: Limit
14、dimensions for bolts and nuts. 3 Configuration and dimensions See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres. They are applicable after any surface coating, but before the application of any lubricant. 1 Copyright International Organization for Standardization Provi
15、ded by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 3185:1993(E) L-1 , hole DDE Shape Y optional 20” 0” Break sharp edges 0,l to 0,4 4 holes GO7 equidistant
16、, , optional II Rounded or chamfered in this area. Figure 1 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license
17、from IHS -,-,- IS0 3185:1993(E) Table 1 1) In conformity with IS0 5855-2, except for the maximum major diameter “ d” of bolts with a close tolerance on D, which shall be equal to D, min. - 0,025 2) See IS0 286-2. 3) Increments: 1 for 4 Q 30 2for30 100 If greater lengths are required, they shall be c
18、hosen using these increments. $1 In conformity with IS0 4095 over T min. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted witho
19、ut license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright Internation
20、al Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 3185:1993(E) UDC 621.882.21:629.7 Descriptors: aircraft industry
21、, aircraft equipment, fasteners, bolts, dimensions, dimensional tolerances. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 02:58:39 MDTNo reproduction or networking permitted without license from IHS -,-,-