ISO-1966-1973.pdf
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1、INTERNATIONAL STANDARD $ 1966 0 R 4Il! INTERNATIONAL ORGANIZATION FOR STANDARDlZATlON .MEXAYHAPOAHAR OP,-AHIISAUHR no CTAHAAPMALWII.ORGANISATION INTERNATIONALE DE NORMALISATION Crimped joints for aircraft electrical cables First edition - 1973-02-15 G UDC 629.7.064.5 : 621.315.68 Ref. No. IS0 1966-1
2、973 (E) m 6 - Descriptors : aircraft, aircraft equipment, electrical cables, joints, mechanical crimping, specifications, tests. ii i Price based on 7 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001
3、Not for Resale, 04/25/2007 00:51:40 MDTNo reproduction or networking permitted without license from IHS -,-,- FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 Member Bodies). The work of developing International Standar
4、ds is carried out through IS0 Technical Committees. Every Member Body interested in a subject for which a Technical Committee has been set up has the right to be represented on that Committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the
5、work. Draft International Standards adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 1966 was drawn up by Technical Committee ISOKC 20, Aircraft and space vehicles. I
6、t was approved in May 1970 by the Member Bodies of the following countries : Belgium India Brazil Israel Canada Italy Czechoslovakia Japan Egypt, Arab Rep. of Netherlands Germany New Zealand Greece Romania South Africa, Rep. of Spain Switzerland Turkey United Kingdom U.S.S.R. The Member Bodies of th
7、e following countries expressed disapproval of the document on technical grounds : France U.S.A. 0 International Organization for Standardization, 1973 ? Printed in Switzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Sta
8、ndards 1/9972545001 Not for Resale, 04/25/2007 00:51:40 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IS0 1966-1973 (E) Crimped joints for aircraft electrical cables 1 SCOPE AND FIELD OF APPLICATION 1.1 This international Standard specifies the desi
9、gn requirements (and tests) for the crimping of insulated and non-insulated terminations to general purpose electrical cables for aircraft, with conductors of copper, copper alloy, aluminium or aluminium alloy, in locations in which the stabilized conductor temperature does not exceed the values spe
10、cified for the relevant type of cable, i.e. 105 C, 190 C or 260 C. The type of cable with which the terminations are intended to be made has to be declared (see 3.1.5). 1.2 The international Standard also contains recommendations relating to the inspection of such connections and the tools used to p
11、erform the crimping operation. Since satisfactory crimping is dependent upon the maintenance and setting of tools it also contains recommendations for tests to confirm their serviceability. 1.3 Testing of crimped joints to assess their suitability for aircraft shows that certain environmental condit
12、ions, for example vibration, have no significant effect on the performance of the joints. It has therefore not been considered necessary to provide for such tests in this International Standard. 2.5 cable splice connection : A permanent connection formed by the ends of electrical cable conductors at
13、tached to a cable splice. 2.6 crimping: A method of firmly attaching a terminal end or cable splice to a conductor by re-shaping the barrel around the conductor to establish good electrical and mechanical contact. 2.7 insulation grip : That part of a terminal barrel or cable splice barrel into which
14、 the insulation of the cable is placed, and which by reforming grips the insulation. 2.8 pre-insulated joint: A crimped connection formed with an insulated terminal end or insulated cable splice. 2.9 post-insulated joint : An uninsulated crimped con- nection insulated after conductor crimping. 2.10
15、crimping tool: A manually operated or power-operated mechanical device for making a crimp or insulation grip. 2.11 positioner: A locator, turret or other device permanently or removably attached to a crimping tool, serving correctly to locate and control the position of the crimp on the barrel. 2 DE
16、FINITIONS 3 DESIGN REQUIREMENTS 2.1 termination : A permanent connection formed by the end of an electrical cable conductor with a terminal end or a pin or socket contact. 2.2 terminal end : A connecting device with barrel(s) accommodating an electrical cable conductor with or without additional pro
17、vision to accommodate and secure the insulation. 2.3 pin or socket contact: A contact used in a plug or socket (receptacle) with a barrel at one end to accommo- date an electrical cable conductor with or without ad- ditional provision to secure the insulation. 2.4 cable splice: A connecting device w
18、ith barrel(s) each accommodating an electrical cable conductor(s) with or without additional provision to accommodate and secure the insulation. 3.1 General 3.1.1 Terminal ends, pin or socket contacts and cable splices shall comply with the requirements of the appropriate national and international
19、standards. 3.1.2 The protective treatment and surface finish of the terminal end, pin or socket contact or cable splice shall be of such a quality that the completed crimped connection complies with the requirements of this International Standard. The electrochemical potential difference between all
20、 conducting surfaces should not exceed 0,25 V. 3.1.3 The design of the terminal end, pin or socket contact or cable splice shall be such that adequate engagement of the cable conductor in the completed joint can be readily established by inspection. 1 Copyright International Organization for Standar
21、dization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 00:51:40 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO1966-1973 (E) 3.1.4 Any material used for pre- or post-insulation shall be non-corrosive, re
22、sistant to abrasion, fungus and aircraft fluids and shall not support combustion. The insulation, and internal sleeve if any, shall remain firmly fixed in its correct position before and after crimping. The insulation should be colour-coded in respect of its conductor size or sizes in accordance wit
23、h the relevant national standards. 3.1.5 The manufacturer shall make the following information available : 1) terminal end, pin or socket contact or cable splice material specification; 2) protective treatment; 3) size and type of cable for which each item is available; 4) appropriate crimping tool
24、or die references and settings; 5) the identification code of crimp marking; 6) information on the crimping; 7) maximum overall crimp; 8) instruction sheets recommended crimping 3.2 Crimped joints preparation of cable ends before dimensions of the completed for the proper use of the tool. The comple
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