Slotting cutter and inserts for same

B - Operations – Transporting – 23 – C

Patent

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Details

B23C 3/28 (2006.01) B23B 27/14 (2006.01) B23C 3/30 (2006.01) B23C 5/08 (2006.01)

Patent

CA 2679367

The present invention is directed to an insert, a slotting cutter assembly and a method for machining a plurality of slots in a metallic alloy part. The insert may comprise a cutting edge, at least one primary radius, at least two secondary radii and a clearance angle. The cutting edge may form a narrow outer end at a tip of the insert and a larger width region at a distance inward from the narrow outer end. The clearance angle may extend rearward from the cutting edge. The slotting cutter assembly may comprise a plurality of inserts and a cutter body. The cutter body may comprise a plurality of retaining slots and a plurality of support portions. The retaining slot may be configured to receive the insert. The support portion may provide support for the insert.

L'invention concerne un insert, un ensemble formant fraise à rainurer et un procédé pour usiner une pluralité de rainures dans une pièce d'alliage métallique. L'insert peut comporter un bord coupant, au moins un rayon principal, au moins deux rayons secondaires et un angle de jeu. Le bord coupant peut former une extrémité extérieure étroite au niveau de la pointe de l'insert et une zone plus large commençant à une certaine distance de l'extrémité extérieure étroite et allant vers l'intérieur. L'angle de jeu peut s'étendre vers l'arrière à partir du bord coupant. L'ensemble formant fraise à rainurer peut comprendre une pluralité d'inserts et un corps de fraise. Le corps de fraise peut comprendre une pluralité de rainures de retenue et une pluralité de parties de support. La rainure de retenue peut être configurée pour recevoir l'insert. La partie de support peut fournir un support pour l'insert.

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