Cutting element

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 27/14 (2006.01)

Patent

CA 2541083

The invention relates to a cutting element for machining metallic workpieces, especially wheelsets, said element comprising an upper surface and a lower surface, at least one, preferably both, of said surfaces being embodied as faces, and a respectively perpendicular lateral surface for connecting the upper surface and the lower surface and forming, together with a face, cutting edges that can be used for machining and are provided with cutting corners connecting respectively parallel long, linear cutting edge sections, respectively parallel short, linear cutting edge sections, and respectively adjacent long and short cutting edge sections. According to the invention, at least part of the long linear partial edge sections is lowered by a measure in relation to the adjacent edge sections and meshes with a measure thereof.

L'invention concerne un insert de coupe destiné à l'usinage par enlèvement de copeaux de pièces métalliques, notamment d'essieux, présentant une surface supérieure et une surface inférieure dont au moins une, de préférence les deux, est conçue en tant que surface d'usinage, et une surface latérale verticale reliant la surface inférieure et la surface supérieure, formant avec la surface d'usinage des arêtes de coupe servant à l'enlèvement de copeaux. Lesdites arêtes de coupe comportent des angles de coupe reliant des sections d'arêtes de coupe linéaires longues parallèles, des sections d'arêtes de coupe linéaires courtes parallèles et des sections d'arêtes de coupe adjacentes longues et courtes parallèles. Selon l'invention, au moins une partie des sections d'arêtes de coupe linéaires longues est abaissée d'un ordre de grandeur et rétractée d'un ordre de grandeur par rapport aux sections d'arêtes adjacentes.

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