NF EN ISO 28927-11
Hand-held portable power tools - Test methods for evaluation of vibration emission - Part 11 : stone hammers
ISO 28927-11:2011 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held stone hammers. It is a type-test procedure for establishing the magnitude of vibration in the gripping areas of a stone hammer when operated in laboratory conditions. It is intended that the results be used to compare different models of the same type of machine.ISO 28927-11:2011 is applicable to engraving pens and stone hammers intended for use by stone masons, driven pneumatically or by other means. It is not applicable to demolition hammers or to chipping hammers primarily intended for use on metal or in construction.
ISO 28927-11:2011 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held stone hammers. It is a type-test procedure for establishing the magnitude of vibration in the gripping areas of a stone hammer when operated in laboratory conditions. It is intended that the results be used to compare different models of the same type of machine.
ISO 28927-11:2011 is applicable to engraving pens and stone hammers intended for use by stone masons, driven pneumatically or by other means. It is not applicable to demolition hammers or to chipping hammers primarily intended for use on metal or in construction.
- Avant-proposiv
- Introductionvi
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1 Domaine d'application1
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2 Références normatives1
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3 Termes, définitions et symboles1
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3.1 Termes et définitions2
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3.2 Symboles2
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4 Normes de base et codes d'essais de vibration2
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5 Description de la famille de machines3
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6 Caractérisation des vibrations4
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6.1 Direction du mesurage4
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6.2 Emplacement des mesurages4
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6.3 Amplitude des vibrations6
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6.4 Combinaison des directions des vibrations6
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7 Exigences pour l'appareillage7
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7.1 Généralités7
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7.2 Montage des accéléromètres7
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7.3 Filtre de pondération en fréquence7
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7.4 Durée d'intégration8
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7.5 Équipement auxiliaire8
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7.6 Étalonnage8
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8 Conditions d'essai et de fonctionnement de la machine8
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8.1 Généralités8
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8.2 Conditions de fonctionnement8
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8.3 Autres valeurs à spécifier9
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8.4 Équipement accessoire, pièce et tâche9
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8.5 Opérateur11
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9 Modes opératoires de mesure et validation11
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9.1 Valeurs des vibrations consignées11
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9.2 Déclaration et vérification des valeurs d'émission de vibrations12
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10 Rapport d'essai12
- Annexe A (informative) Modèle de rapport d'essai pour les émissions de vibrations des casse-pierres14
- Annexe B (normative) Détermination de l'incertitude16
- Bibliographie18
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