Rotary cutting tool and high speed machining method with...

B - Operations – Transporting – 23 – B

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B23B 51/06 (2006.01) B23B 51/00 (2006.01) B23C 5/10 (2006.01) B23C 5/28 (2006.01)

Patent

CA 2392965

Rotary cutting tool, in particular for high speed machining with nano-lubrication. The lubricant is fed to the end surface of the cutting part (12) of the tool through a central lubrication channel (22) drilled along the axis of rotation (10) of the tool, with one non-through end, located just near the end surface, which is connected to the latter by secondary channels (24) opening near each end cutting edge (20). Cutting parameters relating, in particular, to the end dedendum angle, the width of end clearance and the width of the circular land of each cutting edge further improve the quality of the work carried out.

Un outil de coupe rotatif pour usinage haute vitesse avec nanolubification. Le lubrifiant parvient à la surface d'extrémité de la partie coupante (12) de l'outil par un conduit de lubrification central (22) foré le long de l'axe de rotation (10) de l'outil, le conduit étant pourvu d'une extrémité fermée, situé tout près de la surface d'extrémité et relié à celle-ci par des conduits secondaires (24) qui s'ouvrent à proximité de chaque arête tranchante (20). Les paramètres de coupe, en particulier ceux ayant trait à l'angle de creux en extrémités, à la largeur du jeu en extrémités et à la largeur du listel de foret de chacune des arêtes tranchantes, augmentent encore davantage la qualité du travail à effectuer.

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