ISO 7913-1994 Aerospace - Bolts and screws metric - Tolerances of form and position《航空航天 米制螺栓和螺钉的形状和位置公差》.pdf

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1、INTERNATIONAL STANDARD NORME INTERNATIONALE IS0 7913 Second edition Deuxkme Edition 1994-1 l-01 Aerospace - Bolts and screws, metric - Tolerances of form and position Atkonautique et espace - Vis metriques - Tolbances de forme et de position ,- Reference number Numkro de rkfkrence IS0 7913:1994(E/F)

2、 IS0 7913:1994(E/F) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committes. Each member body interested in a su

3、bject 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. IS0 collaborates closely with the International Electrotechnical Commission (

4、IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the 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. International St

5、andard IS0 7913 was prepared by Technical Com- mittee lSO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastener systems. This second edition cancels and replaces the first edition (IS0 7913:1985), of which it constitutes a technical revision. as0 1994 All rights reserved. Unless

6、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 the publisher. / Droits de reproduction reserves. Sauf prescription differente, aucune partie

7、 de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede, Blectronique ou mrkanique, y compris la photocopie et les microfilms, sans Iaccord Wit de Iediteur. IS0 IS0 7913:1994(E/F) Avant-propos LISO (Organisation internationale de normalisation) e

8、st une federation mondiale dorganismes nationaux de normalisation (comites membres de IISO). Lelaboration des Normes inter- nationales est en general confide aux comites techniques de IISO. Chaque comite membre interesse par une etude a le droit de faire pat-tie du comite technique tree a cet effet.

9、 Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec IISO participent egalement aux travaux. LISO collabore etroitement avec la Commission electrotechnique internationale (CEI) en ce qui concerne la normalisation electrotechnique. Les projets de Normes intern

10、ationales adopt b) ID or threaded to head: Datum A is the pitch diameter and can be located anywhere within a maximum length of ID nearest the head-shank intersection; where D = Nominal thread diameter. 1) Pour les vis dont la longueur de la par-tie lisse est: a) 2 ID : La reference A est la partie

11、lisse de la tige; elle peut etre sit b) z: ID ou vis filetees jusqua proximite de la t elle peut etre sit&e nimporte 013, a Iinterieur dune longueur maximale la plus proche possible de ID, mesuree a partir de llintersection t&e-tige. ou D = Diametre nominal du filetage. IS0 IS0 7913:1994(E/F) Table

12、2 -Values Tableau 2 - Valeurs V) Nominal thread diameter Long length thread and Diamktre nominal de filetage Short and medium length thread threaded to the head Filetage court et moyen Filetage long et filetage jusqu8 proximiti de la t&e 3 3,5 4 5 0,002 0,003 6 7 8 10 12 14 0,001 5 0,002 5 16 18 20

13、22 0,001 0,002 24 1) Parameter “V” is dimensionless (millimetre per millimetre). 1) Le paramktre VN est sans dimension (millimtre par millim&tre). X Y Z 0,08 0,15 0,ll 0,09 0,18 0,12 O,l 02 0,14 0,13 0,25 0,18 0,15 OS3 0,21 0,18 0,35 0,25 02 on4 0,28 0,25 Or5 0,35 0,3 W 0,42 0,35 OS7 0,49 Of4 0,56 0

14、45 0,63 Or5 0,75 OS7 0,55 0,75 Or6 7 IS0 7913:1994 (E/F) its 49.040.20 Descriptors: aircraft industry, fasteners, bolts, screws, mechanical tolerances, form tolerances, tolerances of position. / Descripteun: industrie akonautique, &ment de fixation, vis partiellement filetee, vis entkement filet6e. tokrance mkanique, tokrance de forme, tokrances de position. Price based on 7 pages / Prix base sur 7 pages

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