Turning – Lathe – With program control
Patent
1993-06-21
1995-05-30
Terrell, William E.
Turning
Lathe
With program control
82 18, 82138, B23B 518
Patent
active
054192234
ABSTRACT:
A machining unit for the production of out-of-center/convex geometries on turned parts using an NC turning machine with at least one horizontal and one vertical machine axis comprises a highly-dynamic, controllable, integral three-phase servomotor having a shaft forming an additional tool axis, as a programmable direct drive for the production of out-of-center/convex geometries on current parts. The additional tool axis is capable of being NC controlled. The shaft has a connecting arm which carries one or more cutting tools for machining the parts. Spaced hydrostatic radial bearings and a hydrostatic axial bearing mount the shaft. A rotational measuring system measures rotation of the shaft. The shaft rotational measuring system, hydrostatic axial bearing and hydrostatic radial bearings as well as the servomotor are mounted in a common housing, with the connecting arm with cutting tools projecting from one side of the housing.
REFERENCES:
patent: 3754487 (1973-08-01), Nachtigal
patent: 4203062 (1980-05-01), Bathen
patent: 4646596 (1987-03-01), Edwards et al.
patent: 4679472 (1987-07-01), Feller et al.
patent: 5181442 (1993-01-01), Nezu
Hoffman, deceased Martin
Hoffman, heiress by Gunda
Kubler Albert
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