Turntable mechanism

Details Turntable mechanism Turntable mechanism

1992-01-31

1993-10-19

McFarlane, Anthony

Coating apparatus

Gas or vapor deposition

Work support

118500, 118730, 269 71, B05C 1300

Patent

active

052541738

ABSTRACT:
In vacuum plasma spraying a turntable must be provided which not only makes it possible to rotate and tilt a heavy workpiece, but to operate at vacuum plasma temperatures to do so. In the vacuum plasma coating of large parts such as combustion chambers of rocket engines the workpiece must not only be rotated, but it must be tilted. Hence the turntable must be capable not only of supporting heavy parts, but of angulating such heavy workpieces. And this must be done without drive means failure due to extremely high temperatures under which the turntable mechanism is operated. Herein a turntable mechanism is provided which is capable of operating under such conditions. For cooling the turntable drive mechanism internal cooling means are included.

REFERENCES:
patent: 2783531 (1957-03-01), Eisler
patent: 2835964 (1958-05-01), Yarwood
patent: 3046157 (1962-07-01), Nyman
patent: 3575133 (1971-04-01), Myers
patent: 4191791 (1980-03-01), Lyons
patent: 4620913 (1986-11-01), Bergman
patent: 4633809 (1987-01-01), Hirose et al.
patent: 4996942 (1991-03-01), de Boer et al.
patent: 5091208 (1992-02-01), Pryor
patent: 5094183 (1992-03-01), Hamasaki

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