1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2011 SAE International All rights reserved. No part of this publication ma
3、y be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, 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 US
4、A) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS20708/6AAEROSPACESTANDARDAS20708/6 REV. A Issued 1999-07 Revised 2011-02Superseding AS20708/6
5、 Synchro, Torque Transmitter, Type 26V-11TX4C FSC 5990 RATIONALEThis Revision consists of a 5 (five) year review, which provides updates to current format and references. NOTICEThis specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for a
6、cquiring the Synchros described herein shall consist of this specification and the latest issue of AS20708. TABLE 1 REQUIREMENTS REQUIREMENT VALUE UNIT TOLERANCE FrequencyPrimary Voltage Primary Current Primary Power Impedance:ZssImpedance Angle: ZssTransformation Ratio Phase Shift (Lead) Electrical
7、 Error Torque Gradient Null Voltage TotalFundamentalRadial Play End Play Temperature Rise Friction Torque Variation of Voltage (+10%) and Freq. (-5%) 40026 280.01.0 3.3 4.2 17.0 - 24.0 0.454 4.0 7.0 0.0080 - - - - - - - - - - - - 0.0006 0.0010 20.0 0.07 1.4HzVolts MilliampsWatts OhmsDegrees- - - - -
8、 - DegreesMinutesOunce Inches Per Degree MillivoltsMillivoltsInchesInchesDegrees C Ounce Inches Watts 1 % 1 % MaximumMaximumMin. Max. Min. Max. 2 % 1.0 MaximumMinimumMaximumMaximumMaximum 0.0005 MaximumMaximumMaximumCopyright SAE International Provided by IHS under license with SAENot for ResaleNo r
9、eproduction or networking permitted without license from IHS-,-,-SAE AS20708/6A Page 2 of 2TABLE 2 MILITARY PART NUMBER VARIANT CHARACTERISTICS Military Part No. 1/A .010 B .010 GMaximumShaftStyleTerminalEndU+ .0000 - .0002 M20708/6-01CM20708/6-02CM20708/6-03CM20708/6-04CM20708/6-05CM20708/6-06C.555
10、.368.430.493.555.618.500.312.375.437.500.5621.7321.630SplinedPlain & Slotted Terminal Board Wire Leads .1872.12001/ Military part number M20708/6-01C shall be the NATO standard. 1/ The suffix letter following the numerical dash number corresponds to the latest modification letter in the type designa
11、tion. TABLE 3 MILITARY PART NUMBER CROSS-REFERENCES SUPERSEDED MILITARY PART NUMBERS NEW MILITARY PART NUMBERS SAE-AS20708/6AMIL-S-20708/6D MIL-S-20708/6C M20708/6D-001M20708/6D -002 M20708/6D -003 M20708/6D -004 M20708/6D -005 M20708/6D -006 M20708/6-001 M20708/6-01C M20708/6-02CM20708/6-03CM20708/
12、6-04CM20708/6-05CM20708/6-06CNOTE: All line items shown in table 3 refer to equivalent and interchangeable Synchros of the same type designation modification. Part number changes do not affect form, fit, or function of the Synchros listed therein.A change bar (|) located in the left margin is for th
13、e convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are n
14、ot used in original publications, nor in documents that contain editorial changes only. PREPARED BY SAE COMMITTEE AE-7A - GENERATORS/CONTROLS/MAGNETIC DEVICES Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
