B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
B23C 5/10 (2006.01)
Patent
CA 2578774
A one-piece toroidal end mill having an axis of rotation is provided. The end mill includes a shank section and a fluted section. The shank section extends along the axis of rotation. The fluted section extends along the axis of rotation, and has a first end, an outer surface, and a plurality of teeth. The first end is integrally attached to the shank section. Each of the plurality of teeth has a cutting surface and a shoulder surface (38). The cutting surface includes a cutting edge. The shoulder surfaces intersect with one another to form a center void (52) disposed between the cutting surfaces.
L'invention concerne une fraise en bout toroïdale d'une seule pièce à axe de rotation, qui comprend une queue et une partie cannelée. La queue s'étend le long de l'axe de rotation. La partie cannelée s'étend le long de l'axe de rotation et comporte une première extrémité, une surface externe et plusieurs dents. La première extrémité est intégrée à la queue. Chaque dent comporte une surface de découpe et une surface d'épaule (38). La surface de découpe comporte un bord tranchant. Les surfaces d'épaule sont en intersection mutuelle pour former un vide central (52) entre les surface de découpe.
Flynn Clifford M.
Liedes Jyrki T.
Moser Louis A.
Berkshire Precision Tool Llc
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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