SAE J 1051-1993 Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines.pdf
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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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2013 SAE International All rights reserved. No part of this p
3、ublication may 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: +1 724-776-497
4、0 (outside USA) 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/J1051_201308 SURFACE VEHICLE STANDARD J1051 AUG2013 Issued 1974-01 Reaffirmed 201
5、3-08 Superseding J1051 APR2008 Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines RATIONALE J1051 has been reaffirmed to comply with the SAE five year review policy. 1. ScopeThis SAE Standard provides a method to obtain consistent force-deflection data of finis
6、hed (orunfinished, when specified) cushioned components of seats for off-road work machines as listed in SAEJ1116. This data may be helpful in maintaining seat comfort characteristics and quality control. There is nointent to establish any acceptance criteria.2. References2.1 Applicable Publications
7、The following publication forms a part of this standard to the extent specifiedherein. The latest issue of SAE publications shall apply.2.1.1 SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.SAE J1116Categories of Off-Road Work MachinesSAE TSB 002Preparation of S
8、AE Technical ReportsSAE REPORTFormat Guidelines for the Electronic Capture of SAE Documents, June 19923. Technical Requirements3.1 Test Apparatus3.1.1 A 200 mm diameter, rigid, flat, or curved indentor (Figure 1 and Figure 2) or a 50 mm diameter, rigid, flatindentor (Figure 1). The indentor force sh
9、all be applied through a rigid joint or a swivel joint capable ofaccommodating the angle of the top surface of the test specimen.3.1.2 A platform capable of positioning the top surface of the test specimen parallel to and centered with the rigidjoint indentor and not to restrict the breathing or nor
10、mal deformation of the specimen tested (Figure 3). Theindentor with the swivel joint may be preferred for tapered or irregular shaped cushions or for a fixed platform(Figure 4).3.1.3 An apparatus capable of applying forces and measuring the deflection of the indentor into the specimen.FIGURE 1FLAT I
11、NDENTORFIGURE 2CURVED INDENTORFIGURE 3ADJUSTABLE PLATFORMSAE J1051 Reaffirmed AUG2013 Page 2 of 4_FIGURE 4SWIVEL JOINT INDENTOR3.2 Procedure3.2.1 TEST SPECIMENThe test specimen shall consist of a seat cushion, back cushion, or other components in anunused condition (with packaging or protective bag
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