ISO 6506-2:2014 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1, and also specifies when these two types of verification has to be performed. The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance. If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method. ISO 6506-2:2014 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.
ISO 6506-2:2014 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1, and also specifies when these two types of verification has to be performed.
The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance.
If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method.
ISO 6506-2:2014 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.
Le présent document spécifie une méthode de vérification et d'étalonnage des machines d'essai utilisées pour la détermination de la dureté Brinell conformément à l'ISO 6506-1. Il spécifie une méthode de vérification directe des principales fonctions de la machine et une méthode de vérification indirecte appropriée pour une vérification globale de la machine. La méthode indirecte peut être utilisée indépendamment pour une vérification périodique de routine du fonctionnement de la machine en service.
<p>ISO 6506-2:2017 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1 and also specifies when these two types of verification have to be performed.</p> <p>The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance.</p> <p>If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method.</p> <p>ISO 6506-2:2017 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.</p>
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