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1、INTERNATIONAL STANDARD IS0 4095 Second edition 1998-03-l 5 Aerospace - Bihexagonal drives - Wrenching configuration - Metric series Akronautique et espace - Entrainements bihexagonaux - SBrie mbtrique Reference number IS0 4095:1998(E) Copyright International Organization for Standardization Provided
2、 by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 4095:1998(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of
3、national standards 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. Inte
4、rnational organizations, 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 c
5、ommittees 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. International Standard IS0 4095 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Ae
6、rospace fastener systems. This second edition cancels and replaces the first edition (IS0 4095:1978), of which it constitutes a technical revision. 0 IS0 1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, elect
7、ronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 ? CH-1211 Geneve 20 ? Switzerland Internet central iso.ch x.400 c=ch; a=400net; p=iso; o=isocs; s=central Printed in Switzerland
8、 ii Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD 0 IS0 IS0 4095: 1998
9、(E) Aerospace - Bihexagonal drives - Wrenching configuration - Metric series 1 Scope This International Standard specifies the metric wrenching configuration dimensions of bihexagonal drives. This is a design standard. 2 Normative reference The following standard contains provisions which, through r
10、eference in this text, constitute provisions of this international Standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying th
11、e most recent edition of the standard indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 286-2:1988, IS0 system of limits and fits - Part 2: Tab/es of standard tolerance grades and limit deviations for holes and shafts. 3 Configuration and dime
12、nsions See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres. Variations in size, form and position of the bihexagon are permitted within the wrenching length, provided that the actual profile falls within the maximum and minimum material conditions shown in figure 1. Dime
13、nsions are prior to forming the locking element on self-locking nuts. 4 Designation The drive designation shall be as follows: Drive standard Wrenching dash number (see table 1) IS0409505 I 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NAS
14、A Technical Standards 1/9972545001 Not for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 4095:1998(E) IS0 Minimum material condition Maximum material I r condition Figure 1 Table 1 Wrenching dash Maximum material number Amax ) B max. *) 05
15、5,77 5 06 6,93 6 07 8,08 7 08 9.24 8 09 9 10 10 12 12 14 16,17 14 17 I 19,63 I 17 19 21.94 19 ndition Minimum material condition C max. 3, A min. 4, B min. *) Cmin. 5, 5,22 5,54 4,88 5,05 6,26 6,67 5,88 6,09 7,30 7,77 6,85 7,09 8.34 8.91 7185 8.13 22 25,40 22 24 27,71 24 27 31,18 27 30 34,64 30 32 3
16、6,95 32 36 41,57 36 1) Amax.=1,1547Bmax. 2) Width across flats dimension, tolerance: - h12 (see IS0 286-2) for B c 12; - h13 (see IS0 286-2) for B 12. 3) C max. = 1,043 B max. 4) A min. = 1,135 B min. for wrenching dash number 12 51 C min. = 1.035 276 B min. 22,95 I 24,70 I 21,67 25,03 26,98 23,67 I
17、 22,43 24,50 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 4095:1998(E) ICS 49.030.01 D
18、escriptors: aircraft industry, fasteners, form specifications, dimensions, geometric characteristics, designation, metric system. Price based on 2 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not
19、for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 20:33:14 MDTNo reproduction or networking permitted without license from IHS -,-,-