SAE AIR 5358-2004 Landing Gear Shock Strut Hydraulic Fluid《着陆齿轮减震支柱液压液》.pdf

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1、 AEROSPACE INFORMATION REPORT Landing Gear Shock Strut Hydraulic Fluid Issued 2004-01AIR5358 1. SCOPE: This SAE Aerospace Information Report (AIR) was prepared by a panel of the SAE A-5 Committee. This document establishes the specifications for fluids used in landing gear shock struts with extreme

2、pressure and antiwear additives that have been added for improved lubrication. This document requires qualified products. 1.1 Purpose: The purpose of this document is to describe several hydraulic fluids with an additive package that can be used for the reduction of friction and subsequent reduction

3、 of “ladder cracking” in commercial aircraft shock struts. 1.2 Field of Application: The requirements included herein are for a hydraulic fluid in commercial landing gear shock struts. The fluid contains a uniquely colored dye to differentiate it from other fluids used for hydraulic systems. 2. APPL

4、ICABLE DOCUMENTS:The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the t

5、ext of this document and references sited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Reaffirmed 2009-11SAE Technical Standards Board Rules provide that: “This report

6、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 therefrom, is the sole responsibility of the user.” SAE reviews each t

7、echnical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2009 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in

8、 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: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS:

9、 http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AIR5358Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AIR

10、5358 - 2 - 2.1 Government Documents: Available at http:/assist.daps.dia.mil/quicksearch/ MIL-PRF-5606 Hydraulic Fluid, Petroleum Base, Aircraft, Missile, and Ordinance MIL-PRF-6083 Hydraulic Fluid, Petroleum Base, For Preservation and Operation MIL-PRF-87257 Hydraulic Fluid, Fire Resistant, Low Temp

11、erature, Synthetic Hydrocarbon Base, Aircraft and Missile 2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor, West Conshohocken, PA 19428-2959. ASTM D 92 Standard Test Method for Flash and Fire Points by Cleveland Open Cup IP Designation: 36/84 (89); AASHTO No.: T48; DIN 51 376 ASTM D 445 T

12、est Method for Kinematic Viscosity of Transparent and Opaque Liquids(the Calculation of Dynamic Viscosity) ASTM D 974 Test Method for Acid and Base Number by Color Indicator Titration ASTM D 1500 Standard Test Method for ASTM Color of Petroleum Products 2.3 OSHA Publications: Available from OSHA, 20

13、0 Constitution Avenue, NW, Washington, DC 20210. OSHA 1910.1200 Hazard Communication Standard 3. DEFINITIONS: The following definitions apply to terms that are uncommon or have special meaning. 3.1 Lubrizol 1395 - Zinc dialkyldithiophosphate. 3.2 Methyloleate - Extreme pressure additive. Copyright S

14、AE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AIR5358 - 3 - 4. CLASSIFICATION:Fluids are classified as shown in Table 1. TABLE 1 - Classification of Fluids Type I - Preservative Shock Strut Fluid Type II

15、- In-Service Shock Strut Fluid Type III - In Service Shock Strut Fluid (Synthetic Fire Resistant) 5. GENERAL REQUIREMENTS: a. The material shall be clear, homogeneous, and free from solid matter. b. The material shall consist of a base fluid premixed with suitable additives in accordance with MIL-PR

16、F-5606, MIL-PRF-6083, or MIL-PRF-87257 as specified. Except that the base fluids shall be formulated without the red dye typically used in the MIL-PRF-5606, MIL-PRF-6083, or MIL-PRF-87257. c. Every suppliers fluid shall be completely compatible with both the base fluids (i.e., MIL-PRF-5606, MIL-PRF-

17、6083, and MIL-PRF-87257) and all other fluids supplied to this document. d. A yellow dye will be used to indicate the presence of the extreme wear additive package. The color of the fluids shall be yellow. e. Extreme pressure/anti-wear additives shall be added in quantities not to exceed 2.7 percent

18、 by weight. 5.1 Properties: 5.1.1 Type I Fluid: The following fluids or combinations of fluids are approved as Type I: MIL-PRF-6083 fluid base pre-mixed with 1.5 0.1 percent by volume of Lubrizol 1395 and 1.0 0.1 percent by volume methyloleate. Yellow non-fluorescent dye at less than 0.01 percent by

19、 volume shall be added to the fluid. 5.1.2 Type II Fluid: The following fluids or combinations of fluids are approved as Type II: MIL-PRF-5606 fluid base pre-mixed with 1.5 0.1 percent by volume of Lubrizol 1395 and 1.0 0.1 percent by volume methyloleate. Yellow non-fluorescent dye at less than 0.01

20、 percent by volume shall be added to the fluid. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AIR5358 - 4 - 5.1.3 Type III Fluid: The following fluids or combinations of fluids are approved as

21、Type III: MIL-PRF-87257 fluid base pre-mixed with 1.5 0.1 percent by volume of Lubrizol 1395 and 1.0 0.1 percent by volume methyloleate. Yellow non-fluorescent dye at less than 0.01 percent by volume shall be added to the fluid. 5.1.4 Compatibility: The fluid shall be completely compatible when mixe

22、d with any other qualified products used in landing gear shock struts. Color change from mixing with previously qualified material is allowed. 5.1.5 Solid Particle Contamination: Fluid shall be tested for particle contamination as described in the specifications for the base fluid. The total amount

23、and size of particulate shall be no greater than that specified in the base fluid specification. 5.1.6 Physical and Chemical Properties of the Finished Oil: The hydraulic fluids shall conform to the physical and chemical requirements specified in Table 1. TABLE 2 - Physical and Chemical Properties P

24、ROPERTY REQUIREMENT CLASSES TEST METHOD4.9 min at 100 C 1 C Type I Airbus Industries No. _, Type _; etc.). 11. NOTES: This document was originally intended as an AMS specification but was written as an AIR because an organization to approve tests and issue a QPL was not available. When an organizati

25、on agrees to be responsible for issuing a QPL list, it is recommended that this report be reissued as an AMS document. 12. KEY WORDS: Hydraulic fluid, shock struts, ladder cracking PREPARED UNDER THE JURISDICTION OF A-5B-96-2 SHOCK STRUT FLUIDS PANEL OF SAE SUBCOMMITTEE A-5B, GEARS, STRUTS, AND COUPLINGS OF COMMITTEE A-5, AEROSPACE LANDING GEAR SYSTEMS Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-