Shaft rotation driving apparatus for machine tool

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

1998-02-26

1999-10-19

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744248R, 74459, 310 80, 310162, F16H 2520

Patent

active

059669888

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.

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