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    SAE J 2662-2003 Torque Ratings for Power Take-off Mounting Pads《动力输出安装垫的扭矩额定值》.pdf

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    SAE J 2662-2003 Torque Ratings for Power Take-off Mounting Pads《动力输出安装垫的扭矩额定值》.pdf

    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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom

    2、, 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 2003 SAE InternationalAll rights reserved. No part of this publication may be re

    3、produced, 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: 724-776-4970 (outside USA)Fax: 724-77

    4、6-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgSURFACEVEHICLESTANDARDJ2662ISSUEDJUL2003Issued 2003-07Torque Ratings for Power Take-off Mounting Pads1. ScopeThis SAE Recommended Practice is intended to serve as a reference for the amount of torque that aPower Take-Off can induce on the

    5、transmission mounting pad. This document will apply to six-bolt, eight-bolt,and rear mounted power take-offs.1.1 PurposeThe purpose of this document is to inform the transmission designer about possible structuralrequirements of the transmission housing due to loading applied by the power takeoff an

    6、d any other auxiliarydrive components.2. References2.1 Related PublicationsThe following publication is provided for information purposes only and is not arequired part of this specification. Unless otherwise indicated, the latest issue of SAE publications shall apply.2.1.1 SAE PUBLICATIONSAvailable

    7、 from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.SAE J772Clearance Envelopes for Six-Bolt, Eight-Bolt and Rear Truck Transmission Mounted PowerTake-Offs3. Notes3.1 Six-Bolt Power TakeoffsTransmissions with a six-bolt power takeoff opening typically will be exposed tomaximum of 543 N-m (4

    8、00 ft-lb) output torque. This will be in addition to any overhung loads supported by thepower takeoff, see 3.4. Separating forces at the mounting pad should be calculated based on the maximumPTO output torque and the speed ratio of the PTO and transmission.3.2 Eight-Bolt Power TakeoffsTransmissions

    9、with an eight-bolt power takeoff opening typically will be exposedto maximum of 678 N-m (500 ft-lb) output torque. This will be in addition to any overhung loads supported bythe power takeoff, see 3.4. Separating forces at the mounting pad should be calculated based on themaximum PTO output torque a

    10、nd the speed ratio of the PTO and transmission.3.3 Rear-Mounted Power TakeoffsTransmissions with a rear-mount power takeoff opening typically will beexposed to maximum of 678 N-m (500 ft-lb) output torque. This will be in addition to any overhung loadssupported by the power takeoff, see 3.4. Separat

    11、ing forces at the mounting pad should be calculated basedon the maximum PTO output torque and the speed ratio of the PTO and transmission.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE J2662 Issue

    12、d JUL2003-2-3.4 Over Hung LoadsPower Takeoffs frequently are used to support a direct mounted hydraulic pump or otherauxiliary power equipment. Power takeoffs usually are required to be able to support a maximum over hungload of 178 N (40 lb) at a maximum distance of 460 mm (18 in) from the centerli

    13、ne of the transmission opening.Any load over 178 N (40 lb) regardless of distance from centerline of opening should be supported with abracket attached to the transmission housing; and any load, regardless of weight, further than 460 mm (18 in)from the centerline of the transmission opening should b

    14、e supported with a bracket attached to thetransmission housing. See Figure 1.FIGURE 1TRANSMISSION WITH PTO AND OVERHUNG LOADPREPARED BY THE SAE TRUCK AND BUS POWER TAKE-OFF SUBCOMMITTEE OF THESAE TRUCK AND BUS CHASSIS AND POWERTRAIN COMMITTEECopyright SAE International Provided by IHS under license

    15、with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE J2662 Issued JUL2003RationaleNot applicableRelationship of SAE Standard to ISO StandardNot applicableApplicationThe purpose of this document is to inform the transmission designer about possible structuralre

    16、quirements of the transmission housing due to loading applied by the power takeoff and any otherauxiliary drive components. This recommended practice should be considered for any transmission thathas an available power take-off opening.Reference SectionSAE J772Clearance Envelopes for Six-Bolt, Eight

    17、-Bolt and Rear Truck Transmission Mounted PowerTake-OffsDeveloped by the SAE Truck and Bus Power Take-Off SubcommitteeSponsored by the SAE Truck and Bus Chassis and Powertrain CommitteeCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-


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