NF ISO 5007

NF ISO 5007

July 2003
Standard Current

Agricultural wheeled tractors - Operator's seat - Laboratory measurement of transmitted vibration

ISO 5007:2003 specifies, in accordance with ISO 10326-1, a laboratory method for measuring and evaluating the effectiveness of the suspension of operator seats on agricultural wheeled tractors. It also specifies acceptance criteria based on the test results, while defining the input spectral classes relating to three classes of agricultural tractor with rubber tyres, unsprung rear axles and no low-frequency cab isolation -- those of up to 3 600 kg (class 1), those of from 3 600 kg to 6 500 kg (class 2), and those of over 6 500 kg (class 3) -- each of which defines a group of machines having similar vibration characteristics. The method tests the effectiveness of the seat suspension in reducing the vertical whole-body vibration transmitted to the operator at frequencies of from 1 Hz to 20 Hz. It is not applicable to vibration reaching the operator other than through the seat (e.g. that sensed by the operator's feet on the platform or control pedals or hands on the steering wheel).

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Main informations

Collections

National standards and national normative documents

Thematics

Gestion des risques et SST, QSE, Sécurité

Publication date

July 2003

Number of pages

22 p.

Reference

NF ISO 5007

ICS Codes

13.160   Vibration and shock with respect to human beings
65.060.10   Agricultural tractors and trailed vehicles

Classification index

U03-040

Print number

1 - 28/10/2003

International kinship

ISO 5007:2003
Sumary
Agricultural wheeled tractors - Operator's seat - Laboratory measurement of transmitted vibration

ISO 5007:2003 specifies, in accordance with ISO 10326-1, a laboratory method for measuring and evaluating the effectiveness of the suspension of operator seats on agricultural wheeled tractors. It also specifies acceptance criteria based on the test results, while defining the input spectral classes relating to three classes of agricultural tractor with rubber tyres, unsprung rear axles and no low-frequency cab isolation -- those of up to 3 600 kg (class 1), those of from 3 600 kg to 6 500 kg (class 2), and those of over 6 500 kg (class 3) -- each of which defines a group of machines having similar vibration characteristics.

The method tests the effectiveness of the seat suspension in reducing the vertical whole-body vibration transmitted to the operator at frequencies of from 1 Hz to 20 Hz. It is not applicable to vibration reaching the operator other than through the seat (e.g. that sensed by the operator's feet on the platform or control pedals or hands on the steering wheel).

Replaced standards (1)
U03-040
December 1990
Published document Cancelled
Agricultural wheelded tractors. Operator'S seat. Laboratory measurement of transmitted vibration.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    2
  • 4 Symboles et termes abrégés
    2
  • 5 Généralités
    3
  • 5.1 Critères d'évaluation
    3
  • 5.2 Instrumentation et analyse de la fréquence
    4
  • 5.3 Recommandations relatives à la sécurité
    4
  • 6 Conditions d'essai et mode opératoire
    4
  • 6.1 Généralités
    4
  • 6.2 Simulation des vibrations (voir l'ISO 10326-1:1992, Article 5)
    4
  • 6.3 Siège testé
    4
  • 6.4 Sujet effectuant les essais, sa posture
    5
  • 6.5 Vibration d'excitation
    5
  • 6.6 Tolérances sur les vibrations d'excitation (voir l'ISO 10326-1:1992, 8.1)
    7
  • 7 Critères d'acceptation
    8
  • 7.1 Facteur SEAT
    8
  • 7.2 Performance de l'amortissement
    8
  • 7.3 Réglage de l'amortissement
    8
  • 8 Identification du siège
    8
  • 9 Rapport d'essai
    8
  • Bibliographie
    16
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