Two servo axis, AC powered robot wrist

Details Two servo axis, AC powered robot wrist Two servo axis, AC powered robot wrist

1986-05-15

1987-12-15

Spar, Robert J.

Material or article handling

Horizontally swinging load support

Swinging about pivot

310 83, 310 89, 901 23, 901 29, B25J 1702

Patent

active

047129735

ABSTRACT:
The wrist includes a first frameless permanent magnet AC powered motor 22 in a first housing 12 with this motor providing movement of a rack 34 along a translational axis A1 with a second frameless permanent magnet motor 42 carried in a second housing 18 connected to the carriage 16 of which the rack 34 is a part so that the housing 18 is movable along an insertion or translation axis A1 with the second motor 42 providing a rotary output. Both of the motors are AC powered and the rotors thereof are each supported solely by a single X type bearing 28 and 48.

REFERENCES:
patent: 4185215 (1980-01-01), Montagu
patent: 4196947 (1980-04-01), Ziegler
patent: 4576544 (1986-03-01), Passemard et al.
patent: 4637771 (1987-01-01), Yasukawa
patent: 4651591 (1987-03-01), Wurst

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