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HFTC4, Operator Seating and Ride Fuel economy Human Factors and Ergonomics Interiors, Cabins, and Cockpits

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Standard

Development of a Frequency Weighted Portable Ride Meter
1987-01-30
CURRENT
J1225_198701
The purpose of this report is to record the activities and recommendations of the Ride Meter Task Force assigned by the chairman of the SAE Joint Seating Subcommittee to determine availability of instrumentation to measure operator ride on mobile equipment. The desired characteristics of the meter included relatively low cost, easy to operate, highly portable, and sufficiently rugged to withstand the vibration levels encountered on agricultural or construction machines. It is recognized that a ride meter type instrument with a single numerical output provides only approximate indication of ride vibration quality, but is useful for general field evaluation or overall ride comparisons. A narrow band analysis of the vibration frequency spectrum is recommended for more accurate and complete results.
Standard

MEASUREMENT OF WHOLE BODY VIBRATION OF THE SEATED OPERATOR OF OFF-HIGHWAY WORK MACHINES
1980-01-01
HISTORICAL
J1013_198001
In the main body of this recommendation, conditions are defined for measuring and recording whole body vibration of the seated operator of off-highway self-propelled work machines. The specification of instruments, analytic methods, and description of site and operating conditions allows the measurements to be made and reported with an acceptable precision. The procedure includes means of weighting the vibration level at different frequencies as specified in ISO 2631 (Ref. 1). A standard format for reporting spectral data is recommended. The definitions, instruments, and analytic methods also apply to simulated tests for operator vibration as performed in laboratories. This procedure is a measuring method only and is not intended for the evaluation or selection of seating systems.
Standard

MEASUREMENT OF WHOLE BODY VIBRATION OF THE SEATED OPERATOR OF OFF-HIGHWAY WORK MACHINES
1992-08-01
HISTORICAL
J1013_199208
This SAE Standard defines a method for the measurement of the whole body vibration to which the seated operator of off-highway self-propelled work machines is exposed while performing an actual or simulated operation. It applies to vibration transmitted to the operator through the seat. There are no equivalent ISO Standards.
Standard

Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines
2008-04-11
HISTORICAL
J1051_200804
This SAE Standard provides a method to obtain consistent force-deflection data of finished (or unfinished, when specified) cushioned components of seats for off-road work machines as listed in SAE J1116. This data may be helpful in maintaining seat comfort characteristics and quality control. There is no intent to establish any acceptance criteria.
Standard

Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines
2002-12-18
HISTORICAL
J1051_200212
This SAE Standard provides a method to obtain consistent force-deflection data of finished (or unfinished, when specified) cushioned components of seats for off-road work machines as listed in SAE J1116. This data may be helpful in maintaining seat comfort characteristics and quality control. There is no intent to establish any acceptance criteria.
Standard

Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines
2020-03-30
CURRENT
J1051_202003
This SAE Standard provides a method to obtain consistent force-deflection data of finished (or unfinished, when specified) cushioned components of seats for off-road work machines as listed in SAE J1116. This data may be helpful in maintaining seat comfort characteristics and quality control. There is no intent to establish any acceptance criteria.
Standard

Force-Deflection Measurements of Cushioned Components of Seats for Off-Road Work Machines
2013-08-05
HISTORICAL
J1051_201308
This SAE Standard provides a method to obtain consistent force-deflection data of finished (or unfinished, when specified) cushioned components of seats for off-road work machines as listed in SAE J1116. This data may be helpful in maintaining seat comfort characteristics and quality control. There is no intent to establish any acceptance criteria.
Standard

FORCE-DEFLECTION MEASUREMENTS OF CUSHIONED COMPONENTS OF SEATS FOR OFF-ROAD WORK MACHINES
1993-09-01
HISTORICAL
J1051_199309
This SAE Standard provides a method to obtain consistent force-deflection data of finished (or unfinished, when specified) cushioned components of seats for off-road work machines as listed in SAE J1116 JUN86. This data may be helpful in maintaining seat comfort characteristics and quality control. There is no intent to establish any acceptance criteria.
Standard

Vibration Performance Evaluation of Operator Seats
2007-11-20
CURRENT
J1384_200711
This SAE Standard describes a procedure for the evaluation of operator seats which may be fitted to agricultural wheeled tractors per SAE J1150 and/or earthmoving machines per SAE J1057. This procedure evaluates only the vertical vibration performance and should not be considered a comprehensive seat evaluation procedure.
Standard

VIBRATION PERFORMANCE EVALUATION OF OPERATOR SEATS
1983-05-01
HISTORICAL
J1384_198305
This recommendation applies to operator seats which may be fitted to agricultural wheeled tractors per SAE J1150 (December 1976) and/or earthmoving machines per SAE J1057 JUN81. Agricultural wheeled tractors and earthmoving machines having similar vibration spectra are grouped into defined classes with corresponding test vibration input spectra defined for each class in SAE J1385 and SAE XJ1386.1 Performance for all applications within a defined class requires tests with subjects of specified weights. The specified power spectral density at the seat mounting base defines the response required from the vibration test stand during a given laboratory seat test.
Standard

VIBRATION PERFORMANCE EVALUATION OF OPERATOR SEATS
1993-06-22
HISTORICAL
J1384_199306
This SAE Standard describes a procedure for the evaluation of operator seats which may be fitted to agricultural wheeled tractors per SAE J1150 and/or earthmoving machines per SAE J1057. This procedure evaluates only the vertical vibration performance and should not be considered a comprehensive seat evaluation procedure.
Standard

CLASSIFICATION OF AGRICULTURAL WHEELED TRACTORS FOR VIBRATION TESTS OF OPERATOR SEATS
1986-01-01
HISTORICAL
J1386_198601
This Recommended Practice defines classes of tractors having similar characteristics which affect the vibration transmitted to the operator through the operator seat. This recommended practice establishes input data parameters for conducting operator seat vibration tests for various classifications for agricultural wheeled tractors. The classification is intended to aid in the selection of a seat for a specific tractor model and to reduce the amount of testing necessary to determine compliance with applicable standards and/or recommendations. Classification is based on basic configuration and total mass. Instrumentation and measurement procedures are specified in SAE J1013 JAN80. Test procedures are defined in SAE J1384. This document is in compliance with DIS 5007 adopted by ISO/TC23/SC3 October 1984 in Madrid, Spain.
Standard

Determining Seat Index Point
2006-12-04
HISTORICAL
J1163_200612
This SAE Standard specifies a method and the device for use in determining the position of the Seat Index Point (SIP) for any kind of seat.
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