1、 AEROSPACE STANDARD INSPECTION GAGE, FOR AS81790/1 CONNECTORS AIRCRAFT EXTERNAL ELECTRIC POWER AS81790/3 Copyright 2017 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanic
2、al, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED2012-01REAFFIRMED 2
3、017-03THIRD ANGLE PROJECTION CUSTODIAN: AE-8C1 FEDERAL SUPPLY CLASS 5920 AS81790/3 SHEET 1 OF 2 PROCUREMENT SPECIFICATION: AS81790 SAE Technical Standards BoardRules providethat:“This reportis publishedby SAE to advance thestateoftechnical andengineering sciences. The useofthis reportisentirely volu
4、ntary, and its applicability and suitability forany particularuse, includingany patent infringement arising therefrom, is thesole responsibility of theuser.” SAE reviews eachtechnical reportatleastevery five years at whichtime it may berevised, reaffirmed, stabilized, or cancelled. SAEinvites your w
5、ritten comments and suggestions. SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS81790/3 RATIONALE AS81790/3 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. NOTICE THE REQUIREMENTS FOR PROCURING THE PIN INSPECTION GAGE D
6、ESCRIBED HEREIN SHALL CONSIST OF THIS SPECIFICATION AND THE LATEST ISSUE OF: SAE AS81790 FIGURE 1 AS81790/3-1 RECEPTACLE PIN INSPECTION GAGE REQUIREMENTS 1. DIMENSIONS IN INCHES SHALL BE IN ACCORDANCE WITH FIGURE 1 AFTER PLATING. OUTSIDE DIAMETER SHALL BE 1.00 MAXIMUM. INSIDE DIAMETER CONTROL CONTAC
7、T GAGE DEPTH SHALL 0.760 MINIMUM AND POWER CONTACT GAGE DEPTH SHALL BE 2.000 MINIMUM. INTERIOR ENTRY SHALL BE CHAMFER TO .010/.005 X 45 DEGREES. TOWARD THE INTERIOR SURFACE. ALL EDGES SHALL BE BROKEN. 2. MATERIALS A. BODY SHALL BE STAINLESS STEEL IN ACCORDANCE WITH UNS S31603. B. FINISH SHALL BE PAS
8、SIVATED IN ACCORDANCE WITH ASTM A967 OR AMS2700. C. INTERIOR DIAMETER SURFACE SHALL BE POLISHED TO 8 MICROINCHES 3. MARKING (LOCATION OPTIONAL) A. SUPPLIER NAME OR SYMBOL. SYMBOL SHALL BE IN ACCORDANCE AIR1351. B. SAE PART NUMBER. C. SUPPLIER PART NUMBER. D. OTHER MARKING IS OPTIONAL 4. SAE PART NUM
9、BER AS81790/3 -1 I I I I_ DASH NUMBER I_ DETAIL SPECIFICATION NUMBER 5. INITIAL QUALIFICATION, PERIODIC QUALIFICATION, AND QUALITY CONFORMANCE REQUIREMENTS SHALL CONSIST OF EXAMINATION OF PRODUCT PERFORMED BY THE SUPPLIER IN ACCORDANCE WITH AS81790. THE QUALITY CONFORMANCE DATA MAYBE USED FOR QUALIF
10、ICATION SUBMISSION. THE SUPPLIER SHALL SUBMIT THE RESULTS AS REQUIRED BY THE QUALIFYING ACTIVITY. AEROSPACE STANDARD AS81790/3 SHEET 2 OF 2 INSPECTION GAGE, FOR AS81790/1 CONNECTORS AIRCRAFT EXTERNAL ELECTRIC POWER APPLICATIONS 1. INSPECTION GAGE IS USED TO DETERMINE THE WEAR CHARACTERISTICS OF AS81
11、790/1 CONTACTS USED FOR EXTERNAL 270 VOLT POWER CONNECTORS IN THE AEROSPACE VEHICLES. 2. GAGE SHOULD BE GENTLY ENGAGED WITH THE CONTACT. WHEN RESISTANCE OCCURS CONTACT IS CONSIDERED GOOD. 3. WHEN THE GAGE COMPLETELY SLIDES DOWN TO THE CONNECTOR BASE ON ALL CONTACTS IN A CONNECTOR FACING AT AN ANGLE
12、TO THE GROUND, THE CONNECTOR IS RECOMMENDED TO BE REPLACED (SEE FIGURE 2). 4. WHEN THE GAGE COMPLETELY OR PARTIALLY SLIDES DOWN TO THE CONNECTOR BASE ON ANY CONTACT IN A CONNECTOR, THE CONNECTOR CONNECTION IS SUSPECT AND ELECTRICAL VOLTAGE AT THE FIRST POWER DISTRIBUTION POINT OR MOTOR GENERATOR SHO
13、ULD BE MEASURED AND DETERMINED TO BE WITHIN VEHICLE REQUIREMENTS. IF THE VOLTAGE IS TO LOW, THE CONNECTOR IS SHOULD BE REPLACED. 5. IN ALL CASES WHEN THE GAGE COMPLETELY SLIDES BEYOND THE FRONT .1 INCH OF THE PIN TOWARDS THE BASE ON ANY CONTACT, THE VOLTAGE SHOULD BE MEASURED AT THE FIRST POWER DISTRIBUTION POINT OR MOTOR GENERATOR AND DETERMINED TO BE WITHIN VEHICLE REQUIREMENTS, AT THE NEXT FULL MAINTENANCE CYCLE. IF THE VOLTAGE IS TOO LOW, THE CONNECTOR IS RECOMMENDED TO BE REPLACED. FIGURE 2 - INSPECTION GAGE APPLICATION (CONNECTOR SHOWN ONLY AS AN EXAMPLE)
