Rotary table unit

Details Rotary table unit Rotary table unit

1985-05-23

1987-04-14

Aschenbrenner, Peter A.

Horizontally supported planar surfaces

Power driven

A47B 4500

Patent

active

046569510

ABSTRACT:
A rotary table unit having a stationary base element and a table element rotatably mounted on the stationary base element is provided with hydrostatic and hydrodynamic bearing guides forming a composite bearing guide mechanism for enabling smooth and stable rotation of the table element under application of local load to the table element. The rotary table unit is also provided with a main drive motor for rotating the table element and an auxiliary drive motor for supplementing a drive force of the main drive motor in response to a change in load applied to the table element.

REFERENCES:
patent: 905018 (1908-11-01), Sullivan et al.
patent: 2561346 (1951-07-01), Vlieg et al.
patent: 3142269 (1964-07-01), Keck
patent: 3397656 (1968-08-01), Abarotin
patent: 3424319 (1969-01-01), Hohlfelder, Jr.
patent: 4114541 (1978-09-01), Weddendorf
patent: 4213401 (1980-07-01), Maag
Machinist, Feb. 21, 1980, p. 37, "Friction Drive Takes Tiny Steps".
1983 SME Manufacturing Engineering Transactions, pp. 18 through 28.

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