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National standards and national normative documents

Thematics

Gestion des risques et SST, QSE, Sécurité

Publication date

September 2008

Number of pages

28 p.

Reference

NF EN ISO 20643

ICS Codes

13.160 Vibration and shock with respect to human beings

25.140.01 Hand-held tools in general

Classification index

E90-330

Print number

2 - 01/03/2009

International kinship

ISO 20643:2005

European kinship

EN ISO 20643:2008

Sumary

Mechanical vibration - Hand-held and hand-guided machinery - Principles for evaluation of vibration emission

ISO 20643:2005 provides the basis for the drafting of vibration test codes for hand-held and hand-guided power-driven machinery. It specifies the determination of hand-transmitted vibration emission in terms of frequency-weighted root-mean-square (r.m.s.) acceleration during type testing. For machines where vibration test codes do not exist, it can also be used for determination of emission values and contains sufficient guidance for designing an appropriate test. It is applicable to hand-held power tools (e.g. chipping hammers, sanders), hand-guided powered machines (e.g. lawn mowers, single-axle tractors, vibratory rollers), and other types of powered machines fitted with handles, guiding beams or similar means of control, of all power sources (electrical, hydraulic, pneumatic, internal combustion engine, etc.). It is not applicable to fixed machinery in which the vibration is transmitted to the hands of the user through the workpiece, nor to vibration transmitted from steering wheels or control levers of mobile machinery where the operator's position is on the machine.

Replaced standards (1)

NF EN ISO 20643

July 2005

Standard Cancelled

Mechanical vibration - Hand-held and hand-guided machinery - Principles for evaluation of vibration emission

ISO 20643:2005 provides the basis for the drafting of vibration test codes for hand-held and hand-guided power-driven machinery. It specifies the determination of hand-transmitted vibration emission in terms of frequency-weighted root-mean-square (r.m.s.) acceleration during type testing. For machines where vibration test codes do not exist, it can also be used for determination of emission values and contains sufficient guidance for designing an appropriate test. It is applicable to hand-held power tools (e.g. chipping hammers, sanders), hand-guided powered machines (e.g. lawn mowers, single-axle tractors, vibratory rollers), and other types of powered machines fitted with handles, guiding beams or similar means of control, of all power sources (electrical, hydraulic, pneumatic, internal combustion engine, etc.). It is not applicable to fixed machinery in which the vibration is transmitted to the hands of the user through the workpiece, nor to vibration transmitted from steering wheels or control levers of mobile machinery where the operator's position is on the machine.

Table of contents

Avant-propos
v
Introduction
vi
1 Domaine d'application
1
2 Références normatives
2
3 Termes, définitions et symboles
2
3.1 Termes et définitions
2
3.2 Symboles
3
4 Normes de base et codes d'essais de vibration
4
5 Description d'une famille de machines
4
6 Caractérisation des vibrations
5
6.1 Direction du mesurage
5
6.2 Emplacement de mesurage
5
6.3 Amplitude des vibrations
6
6.4 Combinaison des directions de vibrations
7
7 Prescriptions pour l'appareillage
7
7.1 Généralités
7
7.2 Montage des transducteurs
7
7.3 Filtre de pondération fréquentielle
8
7.4 Durée d'intégration
8
7.5 Matériel auxiliaire
8
7.6 Étalonnage de la chaîne de mesurage
8
8 Conditions d'essai et de fonctionnement de la machine
8
8.1 Généralités
8
8.2 Conditions de fonctionnement
9
8.3 Autres quantités à spécifier
9
8.4 Équipement rapporté, pièce et tâche
9
8.5 Opérateur
9
9 Mode opératoire de mesurage et validité
9
9.1 Valeur de vibrations à consigner
9
9.2 Déclaration et vérification de la valeur d'émission de vibrations
10
10 Rapport de mesurage
10
Annexe A (normative) Résumé des informations à fournir dans le code d'essai de vibration
11
Annexe B (informative) Sources possibles d'erreurs lors des mesurages de vibrations
13
Annexe C (normative) Mode opératoire pour le développement d'un code d'essai de vibration pour une catégorie spécifique de machines tenues ou guidées à la main
14
Bibliographie
16

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