Double-rotatable spindle head for machine tools

B - Operations – Transporting – 23 – Q

Patent

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Details

B23Q 1/54 (2006.01)

Patent

CA 2425859

A double-rotatable spindle head of non-perpendicular axis type for machine tools, with a first half-head (2) pivoted to the machine structure (4) about a first axis (10) and, for supporting the tool spindle (8), a second half-head (6) coupled to the first half-head (2) on a flat surface (20) and pivoted to it about a second axis (22) perpendicular to said flat surface (20), characterised by comprising a first direct motor (16, 18) for rotating said first half-head (2) with respect to said machine structure (4) and a second direct motor (28, 30) for rotating said second half-head (6) with respect to said first half-head (2).

L'invention concerne une tête de broche rotative double d'un type à axe non perpendiculaire pour des machines-outils. Cette tête comprend une première demi-tête (2) pivotant sur la structure (4) de la machine, autour d'un premier axe (10). Pour supporter la broche (8) de l'outil, une deuxième demi-tête (6) est prévue qui est couplée à la première demi-tête (2) sur une surface plate (20) et pivote autour d'un deuxième axe (22) perpendiculaire à ladite surface plate (20). Cette tête se caractérise en ce qu'elle comprend un premier moteur direct (16, 18) pour assurer la rotation de la première demi-tête (2) par rapport à ladite structure de la machine (4) et un deuxième moteur direct (28, 30) pour assurer la rotation de la deuxième demi-tête (6) par rapport à ladite première demi-tête (2).

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