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 there
2、from, 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 m
3、ay 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 U
4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AIR6052 AEROSPACE INFORMATION REPORT AIR6052 Issued 2011-09 Trimmable Horizontal Stabilizer A
5、ctuator Descriptions RATIONALE There is a need for a general overview of implementation of Trimmable Horizontal Stabilizer Actuators as a source of information both for aircraft manufacturers specifying this type of equipment as for systems suppliers designing them. This document provides this overv
6、iew and a summary of examples of successful developments to serve as a guideline. TABLE OF CONTENTS 1. SCOPE 3 2. REFERENCES 3 2.1 Applicable Documents 3 2.2 Related Documents 3 2.3 Terminology 3 3. DESCRIPTION CONTENTS . 4 3.1 Schematics 4 3.2 Design Loads 4 3.3 Operating Requirements . 4 3.4 Strok
7、es 4 3.5 Primary Actuation Components 4 3.6 Safety Requirements . 4 3.7 Structural Redundancy Concept . 4 3.8 Explosion Proofness . 5 3.9 Power Sources 5 3.10 Motors . 5 3.11 Gearbox General Arrangement. 5 3.12 Gearbox Housing 5 3.13 Gear Lubrication 5 3.14 Screw 5 3.15 Nut . 6 3.16 Irreversibility
8、6 3.17 Position Control . 6 3.18 Weight . 6 4. UNIT DESCRIPTIONS 7 4.1 Airbus A300B 7 4.2 Airbus A310/A300-600 9 4.3 Airbus A318/A319/A320/A321 11 4.4 Airbus A330-200/-300/A340-300 13 4.5 Airbus A340-500/-600 . 15 SAE AIR6052 Page 2 of 38 4.6 Airbus A380 . 17 4.7 Airbus A400M 19 4.8 Boeing B787 21 4
9、.9 Bombardier Challenger 300 series . 23 4.10 Bombardier Challenger 600 series . 25 4.11 Bombardier CRJ200 . 27 4.12 Bombardier CRJ700/900/1000 . 29 4.13 HBC Hawker 4000 Horizon . 31 4.14 Sukhoi RRJ100 . 33 4.15 Lear 45 35 4.16 Bombardier Global Express 37 SAE AIR6052 Page 3 of 38 1. SCOPE The purpo
10、se of this AIR is to provide a comprehensive description document that displays various examples of transport and business aircraft systems driving Trimmable Horizontal Stabilizers. The main focus is on mechanical systems which may be actuated hydraulically or electrically. The document is intended
11、as an overview for those specifying or designing Horizontal Stabilizer Trim Actuators in order to compare existing solutions as reference for implementation in new aircraft programs. 2. REFERENCES The following publications form a part of this document to the extent specified herein. The latest issu
12、e of SAE publications shall apply. The applicable issue of the other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this docume
13、nt, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2.1 Applicable Documents There are no referenced applicable publications specified herein. 2.2 Related Documents The following publications are provided for information purposes only and are not a
14、required part of this SAE Aerospace Technical Report. 2.2.1 SAE Documents There are no referenced SAE publications mentioned herein. 2.2.2 RTCA Documents Available from Radio Technical Commission for Aeronautics Inc., 1828 L Street, NW, Suite 805, Washington, DC 20036, Tel: 202-833-9339, www.rtca.or
15、g. RTCA DO160 Environmental Conditions and Test Procedures for Airborne Equipment 2.3 Terminology Actuators, or set of actuators, or subsystems driving the entire Horizontal Stabilizer (HS) of fixed wing aircraft are referenced according to different terminology, depending on the OEM. The most commo
16、n descriptions and acronyms are: Trimmable Horizontal Stabilizer Actuator (THSA) Horizontal Stabilizer Trim Actuator (HSTA) Horizontal Stabilizer Actuator (HSA) Horizontal Stabilizer Trim System (HSTS) Tailplane Trim Actuator (TTA) SAE AIR6052 Page 4 of 38 3. DESCRIPTION CONTENTS Section 4 includes
17、available data on a number of units, ideally covering all the following aspects: 3.1 Schematics General arrangement of the unit in terms of structural lay-out and control functions principles. 3.2 Design Loads Limit and ultimate tensile and compressive loads applicable to primary and secondary load
18、paths. 3.3 Operating Requirements Maximal operating loads and associated rates, or other performance points, one or two motors active. 3.4 Strokes Horizontal stabilizer maximal deflection angles in A/C nose up and A/C nose down directions, associated actuator linear strokes. 3.5 Primary Actuation Co
19、mponents Brief description of the primary actuation components such as ball screw, ACME screw, pair of interconnected ACME screws, cylinder and piston assemblies etc. 3.6 Safety Requirements Fail-safe/fail-op requirements such as: Horizontal Stabilizer uncontrolled movement allowed within a given ra
20、nge, after 1st failure Horizontal Stabilizer controlled movement required, possibly within a restricted range, after 1st failure Horizontal Stabilizer immobilization require secondary load path after 1st failure etc 3.7 Structural Redundancy Concept Main features of the primary and secondary load pa
21、th arrangement such as: Loaded or unloaded secondary load path Full life or limited life secondary load path Monitored or checkable primary load path Monitored or checkable secondary load path Locking mechanisms, passive or active Check intervals SAE AIR6052 Page 5 of 38 3.8 Explosion Proofness Requ
22、ired or non required, RTCA DO160 category 3.9 Power Sources Fully mechanical i.e. pilot actuated, hydraulically powered, 3000/5000psi, electrically powered, 28 VDC, 3 phase 115VAC, fixed or variable frequency, etc. 3.10 Motors Number and type of motors: Fixed or variable displacement hydraulic motor
23、s, AC motors, DC brushless motors, etc. 3.11 Gearbox General Arrangement Main features of the power gear train, such as: Torque or speed summing arrangement Single or dual load path Torque limiter or elastic shock absorbing devices Carbon steel or CRES gears etc 3.12 Gearbox Housing Main features of
24、 the housing such as: Sealed or vented Material, aluminum, magnesium, composite sight glasses, boroscope inspection provisions etc 3.13 Gear Lubrication Type of oil, grease, semi fluid (w, w/o pump) Lubricating pump(s) or not Servicing interval etc 3.14 Screw 1 start or 2 starts Shock absorbing end
25、stops Chrome plated carbon steel CRES etc SAE AIR6052 Page 6 of 38 3.15 Nut Carbon steel Chrome plating CRES Number of ball circuits Ball material, carbon steel, CRES, ceramics Loaded balls and unloaded spacers arrangement Grease type and servicing interval Secondary nut description and life Seals,
26、ice scrapers etc 3.16 Irreversibility Irreversible ACME screw, on its own, or assisted with additional devices Friction no-back Skewed roller no-back Power-off brakes etc 3.17 Position Control Open loop (velocity) control Hydromechanical position servoloop Electrohydraulic servoloop Electric servolo
27、op Mechanical reversion Valve jamming protection etc 3.18 Weight Perimeter clearly defined: Wet or dry Hydraulic control modules included or not Power electronics included or not etc SAE AIR6052 Page 7 of 38 4. UNIT DESCRIPTIONS 4.1 Airbus A300B SAE AIR6052 Page 8 of 38 Airbus A300B (continued) Desi
28、gn loads Operating requirements Strokes Primary actuation components Safety requirements Structural redundancy concept Explosion proofness Power sources - Limit Load: Compression/tension : 310/250 kN (70/56 klbs) - Ultimate Load: Compression/tension : 465/375 kN (105/84 klbs) - Secondary load path U
29、ltimate Load: Compression/tension : 310/250 kN (70/56 klbs) -3 Hyd. motor: 48.3 kN (10.8klbs) 1,5HS/s -2 Hyd. motor: 125.6 kN (28.2klbs) 1,3HS/s -1 Hyd. Motor: 94.2kN (21.2 klbs) 0,9HS/s - Total HS deflection: 15 / 540mm (21,26 in) - A/C nose up: -12 - A/C nose down: +3 - 1 ballscrew -HS immobilizat
30、ion required after first structural failure -Primary (loaded) & secondary (unloaded) checkable load path -non required - Three 3000psi (206 bars) hydraulic systems -28VDC Motors Gearbox general arrangement Gearbox housing Gearbox lubrication Ball screw Ball nut Irreversibility Position control Weigh
31、t -3 fixed displacement hydraulic motors -Torque summing -Dual load path -Vented -Aluminum - Oil without pump -1 start -Shock absorbing end stops-Chrome plated carbon steel - Chrome plating nut - 4 ball circuits - Only loaded balls- steel ball - Grease: Aeroshell 7 - Inverted thread secondary nut -
32、Friction no-back - Power-off brakes -Position servoloop-Valve jamming protection -Total wet weight 137kg (302 lbs) SAE AIR6052 Page 9 of 38 4.2 Airbus A310/A300-600 SAE AIR6052 Page 10 of 38 Airbus A310/A300-600 (continued) Design loads Operating requirements Strokes Primary actuation components Saf
33、ety requirements Structural redundancy concept Explosion proofness Power sources - Limit Load: Compression/tension : 310/256 kN (70/58klbs) - Ultimate Load: Compression/tension : 465/384 kN (104/86 klbs) - A/C attachment secondary load path Ultimate Load: Compression/tension : 310/256 kN (70/58 klbs
34、) 1 Hyd. Motor: 137 kN (31 klbs) 0,4HS/s 80 kN (18 klbs) 1HS/s -Total HS deflection: 17 / 612mm ( 24,1 in) - A/C nose up: -15 - A/C nose down: +2 - 1 ballscrew - HS immobilization required after first structural failure -Primary (loaded) & secondary (unloaded) checkable load path -Non required -Two
35、3000psi (206 bars) hydraulic systems -28VDC Motors Gearbox general arrangement Gearbox housing Gearbox lubrication Ball screw Ball nut Irreversibility Position control Weight -2 fixed displacement hydraulic motors -Speed summing dual path gear system -Vented -Aluminum - Oil without pump -1 start -Sh
36、ock absorbing end stops -Chrome plated carbon steel - Chrome plating nut - 6 ball circuits - Only loaded balls- Steel balls- Grease: Aeroshell 7 - Inverted thread secondary nut - Friction no-back - Power-off brakes -Position servoloop -Valve jamming protection -Total wet weight 99kg (218lbs) SAE AIR
37、6052 Page 11 of 38 4.3 Airbus A318/A319/A320/A321 SAE AIR6052 Page 12 of 38 Airbus A318/A319/A320/A321 (continued) Design loads Operating requirements Strokes Primary actuation components Safety requirements Structural redundancy concept Explosion proofness Power sources - Limit Load: Compression/te
38、nsion : 205/127 kN (46/28.5 klbs) - Ultimate Load: Compression/tension : 307/190.5 kN (69/43 klbs) - Secondary load path Ultimate Load: Compression/tension : 205/127 kN (46/28.5 klbs) 1 Hyd. Motor: -50.8 kN (11.4klbs) compressive 0,4HS/s -8.5 kN(1.9klbs) tensile 0,4HS/s -40.4 kN(9 klbs) compressive
39、1HS/s -28.5kN(6.4klbs) compressive 1HS/s - Total HS deflection: 17,5 / 513,8mm (20,23 in) - A/C nose up : 13,5 - A/C nose down : 4 - 1 ballscrew - HS immobilization required after first structural failure -Primary (loaded) & secondary (unloaded) checkable load path -Non required -Two 3000psi (206 ba
40、rs) hydraulic systems -28VDC Motors Gearbox general arrangement Gearbox housing Gearbox lubrication Ball screw Ball nut Irreversibility Position control Weight -2 fixed displacement hydraulic motors -Speed summing dual path gear system -Vented -Aluminum - Oil without pump -1 start -Shock absorbing e
41、nd stops -Chrome plated carbon steel - Chrome plating nut - 3 ball circuits - Only loaded balls- steel ball - grease: Aeroshell 7 - Inverted thread secondary nut - Friction no-back - Power-off brakes -Position servoloop -Valve jamming protection -Total wet weight 55kg (121lbs) SAE AIR6052 Page 13 of
42、 38 4.4 Airbus A330-200/-300/A340-300 SAE AIR6052 Page 14 of 38 Airbus A330-200/-300/A340-300 (continued) Design loads Operating requirements Strokes Primary actuation components Safety requirements Structural redundancy concept Explosion proofness Power sources - Limit Load: Compression/tension : 3
43、25 kN (73 klbs) - Ultimate Load: Compression/tension : 487.5 kN (110 klbs) - Secondary load path Ultimate Load: Compression/tension : 325 kN (73 klbs) 1 Hyd. Motor: -189.4 kN (42.6 klbs) 0,2HS/s -169.5 kN (38 klbs) 0,5HS/s -67.7 kN (15.2 klbs) 0,6HS/s - Total HS deflection: 16 / 587mm (23,11 in) - A
44、/C nose Up : 14 - A/C nose down : 2 - 1 ballscrew - HS immobilization required after first structural failure -Primary (loaded) & secondary (unloaded) checkable load path -Non required -Two 3000psi (206 bars) hydraulic systems -28VDC Motors Gearbox general arrangement Gearbox housing Gearbox lubrica
45、tion Ball screw Ball nut Irreversibility Position control Weight -2 fixed displacement hydraulic motors -Speed summing dual path gear system -Vented -Aluminum - Oil without pump -1 start -Shock absorbing end stops -Chrome plated carbon steel - Chrome plating nut - 3 ball circuits - loaded & spacer b
46、alls - Steel balls - Grease: Mobil 28 - Inverted thread secondary nut - Friction no-back - Power-off brakes -Position servoloop -Valve jamming protection -Total wet weight 109 kg (240 lbs) SAE AIR6052 Page 15 of 38 4.5 Airbus A340-500/-600 SAE AIR6052 Page 16 of 38 Airbus A340-500/-600 (continued) D
47、esign loads Operating requirements Strokes Primary actuation components Safety requirements Structural redundancy concept Explosion proofness Power sources - Limit Load: Compression/tension : 578 kN (130 klbs) - Ultimate Load: Compression/tension : 867 kN (195 klbs) -Secondary load path Ultimate Loa
48、d: Compression/tension : 578 kN (130 klbs) 1 Hyd. Motor: -321.2 kN (72.2 klbs) 0,1HS/s -153.3 kN (34.4 klbs) 0,5HS/s - Total HS deflection: 16 / 723,23mm (28.47 in) - A/C nose Up : 14 - A/C nose down : 2 - 1 ballscrew - HS immobilization required after first structural failure -Primary (loaded) & secondary (unloaded) checkable load path -Non required -Two 3000psi (206 bars) hydraulic systems -28VDC Motors Gearbox general arrangement Gearbox housing Gearbox lubrication Ball screw Ball nut Irreversibility Position control Weight -2 fixed displacement hydraulic motors -
