Direct drive multiple axes rotary spindle head for milling machine
AssigneeBertsche Engineering Corp.
InventorsRichard Bertsche, Richard W. Bertsche
Life of this patent
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Abstract
A gearless, direct drive, multiple axes rotary head for a machine tool is provided which includes a spindle mounted to the rotary head for rotation thereon about multiple axes and a plurality of motors coupled to the head and spindle for directly driving and controlling the rotation the head and spindle about the multiple axes respectively.
Claims22
A gearless direct drive, multiple axes rotary head for a machine tool spindle comprising:
- a fork mounted for rotation about a first axis and including a pair of spaced fork arms;
- a spindle mounted between said fork arms for rotation about a second axis;
- first motor means coupled to said fork for directly driving and controlling the rotation of said fork about said first axis;
- and
- second motor means coupled to said spindle for directly driving and controlling the rotation of said spindle about said second axis.
A gearless direct drive rotary head for a milling machine comprising a gimbal assembly mounting a spindle for rotation about a plurality of axes, and a plurality of motors coupled to said gimbal assembly and said spindle for directly driving and controlling the rotation of said gimbal assembly and said spindle about said plurality of axes respectively.
Dependencies are inferred from the claim text.