End mill

B - Operations – Transporting – 23 – C

Patent

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Details

B23C 5/10 (2006.01)

Patent

CA 2679762

An end mill is provided having an axis of rotation, a shank section and a fluted section, each extending along the axis of rotation, and a plurality of helical teeth. The fluted section has a first end attached to the shank section and a second end. The plurality of helical teeth is disposed within the fluted section. Each helical tooth has a cutting edge, a relief surface, a cutting surface, and an edge preparation surface. The edge preparation surface is contiguous with the cutting edge of the respective tooth.

L'invention concerne une fraise en bout présentant un axe de rotation, une tige et une section cannelée, s'étendant chacune le long de l'axe de rotation, et une pluralité de dents hélicoïdales. La section cannelée présente une première extrémité rattachée à la tige et une seconde extrémité. La pluralité de dents hélicoïdales sont disposées dans la section cannelée. Chaque dent hélicoïdale comprend un bord tranchant, une surface en relief, une surface de coupe et une surface de préparation des bords. La surface de préparation des bords est adjacente au bord tranchant de la dent correspondante.

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