La présente norme présente un système de désignation codé des fraises-limes en métaux-durs, permettant ainsi un langage commun entre fournisseur et client et simplifiant la rédaction des commandes de ces outils. En outre, elle spécifie les dimensions de ces fraises-limes qui définissent leur interchangeabilité fonctionnelle.
<p>ISO 7755-1:2013 specifies the common characteristics of hardmetal burrs of various styles, in solid design or with brazed shank.</p>
<p>ISO 7755-10:2013 specifies the main dimensions of the cutting part for hardmetal burrs of cone shape, with a round (ball ) nose and designated by the Symbol L.</p>
<p>ISO 7755-11:2013 specifies the main dimensions of the cutting part for hardmetal burrs of cone shape, with a pointed nose and designated by the symbol M.</p>
<p>ISO 7755-12:2013 specifies the main dimensions of the cutting part for hardmetal burrs of inverted cone shape and designated by the symbol N.</p>
<p>ISO 7755-2:2013 specifies the main dimensions of the cutting part for hardmetal burrs of cylindrical shape and designated by the symbol A.</p> <p>Tolerances on the cutting diameter, direction of helix and cut, diameter and length of the cylindrical shank and designation of burrs are dealt with in ISO 7755-1.</p>
<p>ISO 7755-3:2013 specifies the main dimensions of the cutting part for hardmetal burrs of cylindrical shape, with a round- (ball-) nose and designated by the symbol C.</p> <p>Tolerances on the cutting diameter, direction of helix and cut, diameter and length of the cylindrical shank and designation of burrs are dealt with in ISO 7755‑1.</p>
<p>ISO 7755-4:2013 specifies the main dimensions of the cutting part for hardmetal burrs of spherical shape and designated by the symbol D.</p>
<p>ISO 7755-5:2013 specifies the main dimensions of the cutting part for hardmetal burrs of oval shape and designated by the symbol E.</p>
<p>ISO 7755-6:2013 specifies the main dimensions of the cutting part for hardmetal burrs of arch shape, with a round (ball ) nose and designated by the symbol F.</p>
<p>ISO 7755-7:2013 specifies the main dimensions of the cutting part for hardmetal burrs of arch shape, with a pointed nose and designated by the symbol G.</p>
<p>ISO 7755-8:2013 specifies the main dimensions of the cutting part for hardmetal burrs of flame shape and designated by the symbol H.</p>
<p>ISO 7755-9:2013 the main dimensions of the cutting part for hardmetal burrs of 60° cone and 90° cone shape and designated by the symbols J and K.</p>
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