NF EN ISO 4671
Rubber and plastics hoses and hose assemblies - Methods of measurement of the dimensions of hoses and the lengths of hose assemblies
This document specifies methods of measuring the inside diameter, outside diameter (including diameter over reinforcement of hydraulic hoses), wall thickness, concentricity and lining and cover thickness of hoses, methods of measurement and identification of the lengths of hoses and hose assemblies, and a method of verifying the through-bore of hydraulic hose assemblies.
This document specifies methods of measuring the inside diameter, outside diameter (including diameter over reinforcement of hydraulic hoses), wall thickness, concentricity and lining and cover thickness of hoses, methods of measurement and identification of the lengths of hoses and hose assemblies, and a method of verifying the through-bore of hydraulic hose assemblies.
<p>ISO 4671:2007 specifies methods of measuring the inside diameter, outside diameter (including diameter over reinforcement of hydraulic hoses), wall thickness, concentricity and lining and cover thickness of hoses, methods of measurement and identification of the lengths of hoses and hose assemblies, and a method of verifying the through-bore of hydraulic hose assemblies.</p>
Le présent document concerne le mesurage du diamètre intérieur, du diamètre extérieur (y compris le diamètre sur armature des flexibles hydrauliques), de l'épaisseur de paroi, de la concentricité, des épaisseurs du tube et du revêtement, ainsi qu'une méthode de vérification de l'alésage des flexibles hydrauliques. Il amende la norme NF EN ISO 4671:2008 par l'ajout de clarification concernant la position à laquelle le diamètre extérieur est mesuré.
- Avant-propos
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1 Domaine d'application
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2 Références normatives
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3 Termes et définitions
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4 Conditionnement des éprouvettes et température de mesurage
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5 Mesurage du diamètre intérieur
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6 Mesurage du diamètre extérieur
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7 Mesurage du diamètre sur armature
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8 Mesurage de l'épaisseur de paroi
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9 Mesurage de la concentricité
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10 Mesurage de l'épaisseur du tube intérieur et du revêtement
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11 Mesurage de la longueur et identification des points de mesurage
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12 Vérification du diamètre de passage des assemblages flexibles
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13 Rapport d'essai
- Bibliographie
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