ISO 10326-1:2016
Mechanical vibration — Laboratory method for evaluating vehicle seat vibration — Part 1: Basic requirements
ISO 10326-1:2016 specifies basic requirements for the laboratory testing of vibration transmission through a vehicle seat to the occupant. These methods for measurement and analysis make it possible to compare test results from different laboratories for equivalent seats.
It specifies the test method, the instrumentation requirements, the measuring assessment method and the way to report the test result.
ISO 10326-1:2016 applies to specific laboratory seat tests which evaluate vibration transmission to the occupants of any type of seat used in vehicles and mobile off-road machinery.
Application standards for specific vehicles refer to this document when defining the test input vibration that is typical for the vibration characteristics of the type or class of vehicle or machinery in which the seat is to be fitted.
NOTE Examples of application standards are given in the bibliography.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Instrumentation
5.1 Acceleration transducers
5.2 Transducer mounting
5.2.1 General
5.2.2 Transducer mounting on the platform
5.2.3 Transducer mounting on the seat pan and/or backrest
5.3 Frequency weighting
5.4 Calibration
6 Vibration equipment
6.1 Physical characteristics
6.2 Control system
7 Safety requirements
8 Test conditions
8.1 Test seat
8.1.1 General
8.1.2 Run-in periods for suspension seats
8.1.3 Measurement of suspension travel and adjustment to weight of test person
8.1.4 Inclination of backrest
8.2 Test persons and posture
8.3 Other possibilities
9 Test input vibration
9.1 General
9.2 Simulated input vibration test
9.3 Tolerances on input vibration
9.4 Transfer function with sinusoidal vibration input
9.5 Damping test
9.5.1 Suspension seats
9.5.2 Other seats
10 Test procedure
10.1 General
10.2 Simulated input vibration test
10.3 Damping test
11 Acceptance
12 Test report
Annex A (informative) Test method for assessing the ability of a seat suspension to control the effects of impacts caused by over-travel
Annex B (informative) Example of a simulated input test signal specified by the PSD
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Instrumentation
5.1 Acceleration transducers
5.2 Transducer mounting
5.2.1 General
5.2.2 Transducer mounting on the platform
5.2.3 Transducer mounting on the seat pan and/or backrest
5.3 Frequency weighting
5.4 Calibration
6 Vibration equipment
6.1 Physical characteristics
6.2 Control system
7 Safety requirements
8 Test conditions
8.1 Test seat
8.1.1 General
8.1.2 Run-in periods for suspension seats
8.1.3 Measurement of suspension travel and adjustment to weight of test person
8.1.4 Inclination of backrest
8.2 Test persons and posture
8.3 Other possibilities
9 Test input vibration
9.1 General
9.2 Simulated input vibration test
9.3 Tolerances on input vibration
9.4 Transfer function with sinusoidal vibration input
9.5 Damping test
9.5.1 Suspension seats
9.5.2 Other seats
10 Test procedure
10.1 General
10.2 Simulated input vibration test
10.3 Damping test
11 Acceptance
12 Test report
Annex A (informative) Test method for assessing the ability of a seat suspension to control the effects of impacts caused by over-travel
Annex B (informative) Example of a simulated input test signal specified by the PSD
Bibliography