Milling cutter

Details Milling cutter Milling cutter

B - Operations, Transporting

23

C

B23C 5/10 (2006.01) B23C 5/28 (2006.01) B23Q 1/00 (2006.01) B23Q 11/00 (2006.01)

Patent

CA 2486150

A milling cutter (1), which can rotate about a cutter longitudinal axis (A), comprises a sleeve-shaped shaft (2) provided with an inner lying chip evacuation channel (11), which is arranged, in essence, symmetric to the cutter longitudinal axis (A), and with a suction opening (12). The milling cutter also comprises a milling head (3, 3a, 3b, 3c), which is held coaxial to the cutter longitudinal axis (A) and to the shaft (2) while being held on said shaft and which comprises, as cutting edges (7, 9), a face cutting edge (7) and a peripheral cutting edge (9). At least one cutting edge (7, 9) forms a positive rake angle (.gamma.a, .gamma.r) on the periphery of the milling head (3, 3a, 3b, 3c). The milling cutter (1) is particularly suited for machining light metals, especially for circular milling.

L'invention concerne un outil de fraisage (1) pouvant tourner autour d'un axe longitudinal d'outil (A), qui présente un arbre (2) sous forme de manchon, avec un canal d'évacuation de copeaux (11) situé à l'intérieur, de manière sensiblement symétrique à l'axe longitudinal de l'outil (A) et une ouverture d'aspiration (12), ainsi qu'une tête de fraisage (3, 3a, 3b, 3c) coaxiale à l'axe longitudinal de l'outil (A) et de l'arbre, et maintenue sur ledit arbre. Ladite tête de fraisage comporte comme tranchants (7, 9), un tranchant avant (7) et un tranchant périphérique (9), au moins un tranchant (7, 9) formant un angle de dégagement positif (.gamma.¿a?, .gamma.¿b?) sur la périphérie de la tête de fraisage (3, 3a, 3b, 3c). L'outil de fraisage (1) s'utilise notamment pour l'usinage de métaux légers, notamment pour le fraisage circulaire.

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