Wire thermal spray apparatus with dual motors

Details Wire thermal spray apparatus with dual motors Wire thermal spray apparatus with dual motors

1997-09-15

1999-08-10

Kashnikow, Andres

Electric heating

Metal heating

By arc

219 7615, 219 7616, 239 83, 239 84, 226 4, B23K 900

Patent

active

059354585

ABSTRACT:
A wire thermal spray gun such as a two-wire arc gun has a speed regulator for a DC pull motor in the gun. Armature current corresponds to pulling torque on the pull motor depending on load resistance of the wires. A DC push motor is between a wire supply and the gun, with wire conduits connecting to the gun. A controller provides the push motor with a controlled pushing torque. Feedback of the armature current of the pull motor to the controller adjusts the pushing torque in direct response to change in the pulling torque, such that load sharing is maintained between the push motor and the pull motor.

REFERENCES:
patent: 2719245 (1955-09-01), Anderson
patent: 3148818 (1964-09-01), Charlop
patent: 3293477 (1966-12-01), Lobosco
patent: 3630425 (1971-12-01), Wilkens
patent: 4668852 (1987-05-01), Fox et al.
patent: 5275336 (1994-01-01), Stasi et al.
patent: 5540371 (1996-07-01), Gilliland
"Application Notes--Issue 2" Section 2 Sprint Electric (1994).
"Drive Training" Sprint Electric (undated).

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