Gear machining apparatus and machining method

B - Operations – Transporting – 23 – F

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Details

B23F 19/10 (2006.01) B23F 17/00 (2006.01) B23F 19/06 (2006.01)

Patent

CA 2695272

A machining section (12) of a gear machining apparatus includes a workpiece support in the form of a shaft (J1) that pivotally supports the workpiece gear (14) and a cutter support in the form of a shaft (J2) that supports the chamfering cutter (18) so that the chamfering cutter (18) meshes with the workpiece gear (14) attached to the shaft (J1). The shaft (J1) is angled so that the chamfering cutter (18) meshes with the workpiece gear (14) at an axis-crossing angle ( not being zero degree and machining teeth (32a, 32b) of the chamfering cutter (18) do not interfere with a tooth face (28) of the workpiece gear (14). A gear machining method is also provided.

Selon l'invention, une section d'usinage (12) d'un appareil d'usinage à engrenage comprend: un support de pièce à usiner sous la forme d'un axe (J1) qui reçoit de manière pivotante la roue de la pièce à usiner (14); et un porte-toupie sous la forme d'un axe (J2) qui reçoit la toupie de chanfreinage (18) de sorte que ce dernier (18) s'engrène avec la roue de la pièce à usiner (14) fixée à l'axe (J1). L'axe (J1) est incliné de sorte que la toupie de chanfreinage (18) s'engrène avec la roue de la pièce à usiner (14) selon un angle de croisement d'axes différent de zéro degré, et que les dents d'usinage (32a, 32b) de la toupie de chanfreinage (18) n'interfèrent pas avec une face de la dent (28) de la roue de la pièce à usiner (14). L'invention concerne en outre un procédé d'usinage par engrenage.

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