NF EN ISO 129-1 COMPIL 1

Technical product documentation (TPD) - Presentation of dimensions and tolerances - Part 1 : general principles

Le présent document établit les principes généraux de cotation et d'inscription des tolérances applicables aux dessins techniques de tous les domaines : règles de pré sentation sur les dessins, éléments de cotation (ligne de cote, ligne d'attache, trait de rappel de cote, etc.) , indication des tolérances des cotes par les tolérances géné rales, écarts ou dimensions limites, et disposition des cotes. Un article est consacré à l'inscription des cotes spéciales associées à des symboles graphiques spécifiques dont les relations et les dimensions font l'objet de l'Annexe A.

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