SAE AS 81790 1-2009 CONNECTOR RECEPTACLE EXTERNAL ELECTRIC POWER AIRCRAFT 270 VDC 90 KW《航空器外部电功率为90 KW的270 VDC插座连接器》.pdf

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1、 AEROSPACE STANDARD CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW AS81790/1Copyright 2014 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, mechanical,

2、 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 ISSUED 2009-02REAFFIRMED2014

3、-09THIRD ANGLE PROJECTION CUSTODIAN: AE-8/AE-8C1 FEDERAL SUPPLY CLASS 5935 AS81790/1 SHEET 1 OF 7 PROCUREMENT SPECIFICATION: AS81790SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreportis entirelyv

4、oluntary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, is thesole responsibilityoftheuser.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourw

5、rittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS81790/1 RATIONALE AS81790/1 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. NOTICE THE REQUIREMENTS FOR PROCURING THE CONNECTOR

6、DESCRIBED HEREIN SHALL CONSIST OF THIS SPECIFICATION AND THE LATEST ISSUE OF: SAE AS81790 FIGURE 1- TYPICAL INSTALLATION (REFERENCE ONLY), (1) M81790/1-1 CONNECTOR, (2) M81790/1-2 COVER, (3) M81790/1-3 SHIELD AEROSPACE STANDARD AS81790/1 SHEET 2 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, A

7、IRCRAFT, 270 VDC, 90 KW FIGURE 2- PART NUMBER M81790/1-1, CONNECTOR RECEPTACLE AEROSPACE STANDARD AS81790/1 SHEET 3 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW CROSS SECTIONAL CONNECTOR VIEW POWER CONTACT (NEG) POWER CONTACT (POS) SIGNAL CONTACT NOTES: UNLESS OTHERW

8、ISE SPECIFIED 1. 3 DEGREE DRAFT ANGLE 2. DIMENSIONS ARE AS SPECIFIED AFTER PLATING. UNLESS OTHERWISE SPECIFIED DIMENSIONS AND TOLERANCES PER ASME Y14.5M 3. RECESSED CHARACTERS APPROXIMATELY WHERE SHOWN MUST BE .197 TALL X .020 DEEP 4. RECESSED CHARACTERS APPROXIMATELY WHERE SHOWN MUST BE .197 TALL X

9、 .020 DEEP 5. ALL PINS TO BE TRUE POSITION WITHIN 0.006 AT MMC, WITH RESPECT TO DATUM A, B. & C 6. CONTACT PLATING SHALL BE 0.00008-0.00012 NICKEL UNDERPLATE WITH 0.00020-0.00032 SILVER FINISH IN ACCORDANCE WITH ASTM B700 7. USE HEX NUT (MA3344-06 OR EQUIVALENT) ON A FLAT WASHER (MA3453-060, D70342/

10、2-043 OR EQUIVALENT) ON A LOCK WASHER (D70336/3-P49 OR EQUIVALENT) 8. USE HEX NUT (B1824B080 OR EQUIVALENT) ON A FLAT WASHER (MA3453-080, D70342/2-084 OR EQUIVALENT) ON A LOCK WASHER (D70336/3-P50 OR EQUIVALENT) 9. USE HEX NUT (MA3344-03 OR EQUIVALENT) ON A FLAT WASHER (MA3453-30, D70342/2-032 OR EQ

11、UIVALENT) ON A LOCK WASHER (D70336/3-P45 OR EQUIVALENT) FIGURE 2 (CONTINUE) - PART NUMBER M81790/1-1, CONNECTOR RECEPTACLE AEROSPACE STANDARD AS81790/1 SHEET 4 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW FIGURE 3- PART NUMBER M81790/1-2, CONNECTOR COVER AEROSPACE ST

12、ANDARD AS81790/1 SHEET 5 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW NOTES: UNLESS OTHERWISE SPECIFIED 1. DIMENSIONS ARE IN INCHES 2. NO BURRS OR SHARP EDGES 3. CONCENTRICITY 0.005 FIM 4. MAXIMUM TOOL RADIUS 0.010 5. SURFACE ROUGHNESS 63 ON ALL MACHINE SURFACES FIGU

13、RE 3 (CONTINUE) - PART NUMBER M81790/1-2, CONNECTOR COVER FIGURE 4: PART NUMBER M81790/1-3, CONNECTOR SHIELD AEROSPACE STANDARD AS81790/1 SHEET 6 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW NOTES: UNLESS OTHERWISE SPECIFIED 1. DIMENSIONS ARE IN INCHES 2. NO BURRS OR

14、 SHARP EDGES 3. CONCENTRICITY 0.005 FIM 4. MAXIMUM TOOL RADIUS 0.010 5. SURFACE ROUGHNESS 63 ON ALL MACHINE SURFACES FIGURE 4 (CONTINUE) - PART NUMBER M81790/1-3, CONNECTOR SHIELD REQUIREMENTS: 1. Qualification: AS81790 2. Material/Coating: AS81790 3. Drawing Control: ASME Y14.5M Dimensions: Inches,

15、 Symmetrical about Centerlines Tolerances: unless otherwise specified Decimals, XX .03, .XXX .010, Angles: 0 Degrees 30 TABLE I: METRIC CONVERSION INCHES MM INCHES MM INCHES MM INCHES MM .010 .25 .230 5.84 .578 14.68 1.900 48.26 .020 .51 .232 5.89 .620 15.75 1.980 50.29.025 .64 .293 7.44 .640 16.26

16、2.250 57.15 .060 1.52 .316 8.03 1.125 28.58 3.020 76.71.125 3.18 .375 9.53 1.510 38.35 3.156 80.16 .129 3.28 .438 11.13 1.580 40.13 3.250 82.55.135 3.43 .458 11.63 1.605 40.77 3.800 96.52 .200 5.08 .518 13.16 1.625 41.28 4.500 114.30.215 5.46 .528 13.41 1.800 45.72 13.000 330.20 .222 5.64 .558 14.17

17、 AEROSPACE STANDARD AS81790/1 SHEET 7 OF 7 CONNECTOR, RECEPTACLE, EXTERNAL ELECTRIC POWER, AIRCRAFT, 270 VDC, 90 KW 4. Plug: AS7974/5 5. Terminal Identification: Permanently identified front and rear as shown in Figure 2. 6. Terminal Threads: As specified in drawings 7. Terminal Nut Torque: AS81790

18、8. Mounting Accessory: Screw hole entry shall have a 2 degree maximum draft angle. Clearance shall be provided around each hole to permit installation of a screw with a head diameter of 0.38 maximum and a height of 0.19 maximum. This clearance shall extend to the face of the flange. No radius shall

19、interfere with the seating of the screw. 9. Application: The connector shall be mounted in the aircraft with pins 1, 2, 3, and 4 in the 6:00 Oclock position in accordance with AS50881. Connector shall be attached to the aircraft on the wire terminal side unless otherwise specified. FIGURE 4- TYPICAL

20、 INSTALLATION 10. Identification and Part Numbers: Parts identification and numbers shall be located in accordance with AS81790. Symbols shall be listed in SAE AIR1351. 11. Part Number Example: M81790/ 1 -1 | | I BASIC SPECIFICATION DESIGNATOR - | | I | I DETAIL SPECIFICATION DESIGNATOR - | I I STYLE DESIGNATOR - I TABLE 2- ASSEMBLY PART NUMBERS ASSEMBLY ITEMS PART NUMBERS CONNECTOR M81790/1-1 CONNECTOR COVER M81790/1-2 CONNECTOR SHIELD M81790/1-3

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