Shuttle system for rapidly manipulating a workpiece into and out

Details Shuttle system for rapidly manipulating a workpiece into and out Shuttle system for rapidly manipulating a workpiece into and out

1989-03-31

1990-11-06

Bucci, David A.

Material or article handling

Apparatus for moving material between zones having different...

For carrying standarized mechanical interface type

21912122, B65G 6530

Patent

active

049682067

ABSTRACT:
An automated workpiece handling system rapidly moves a workpiece into a controlled atmosphere chamber, like a vacuum chamber, to a work station, like an electron beam, and withdraws the piece after the work has been completed. While at the work station, the handling system manipulates the piece linearly and in rotation, as desired, according to a set program. The workpiece is loaded and unloaded at the same location outside the chamber, at atmosphere. A split piston having a headstock and tailstock holds the workpiece. The piston seals the vacuum chamber during loading transfer in and out, and during the work cycle. During transfer into the vacuum chamber, pressure around the workpiece is reduced. A pneumatic counterbalance system reduces the loading on the piston drive system caused by the pressure differential between the vacuum chamber and atmosphere.

REFERENCES:
patent: 1396859 (1921-11-01), Long
patent: 1974789 (1934-09-01), Angell
patent: 3633770 (1972-01-01), Howard
patent: 3756435 (1973-09-01), Steigerwald
patent: 4150759 (1979-04-01), Bell, Jr.
patent: 4175226 (1979-11-01), Kappelsberger et al.
patent: 4266111 (1981-05-01), Trillwood
patent: 4482796 (1984-11-01), Weissmann
patent: 4499776 (1985-02-01), Robinson

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