Shaft rotation driving apparatus for machine tool

Details Shaft rotation driving apparatus for machine tool Shaft rotation driving apparatus for machine tool

1993-12-02

1996-08-27

Bonck, Rodney H.

Machine element or mechanism

Gearing

Directly cooperating gears

744248R, 310 80, 310112, F16H 120

Patent

active

055490158

ABSTRACT:
A shaft rotation driving apparatus for a machine tool having a main spindle for rotating a tool or a workpiece, comprises: a magnetic anisotropic rotor formed integral with the main spindle itself or with a rotary sleeve itself fitted to the main spindle; a stator disposed coaxially along an outer circumference of the magnetic anisotropic rotor; a field winding wound around the stator, for magnetizing the rotor in a predetermined direction; and an armature winding wound around the stator, for providing a rotative force to the rotor.

REFERENCES:
patent: 3278774 (1966-10-01), Roller et al.
patent: 3321652 (1967-05-01), Opel
patent: 5193953 (1993-03-01), Jesinger

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