Welding torch alignment monitor

Details Welding torch alignment monitor Welding torch alignment monitor

1991-11-27

1994-07-12

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191251, 901 42, B23K 912

Patent

active

053290925

ABSTRACT:
Devices for monitoring, calibrating and maintaining a manufacturing robot. The first device comprises a reference pin mounted to a first member and a reference aperture located on a second adjacent member wherein the reference pin is inserted into the reference aperture when the two members are at their zero reference location. A second device checks tip alignment by periodically passing the welding tip of a welding torch through a V-shaped notch in a gauging block. The gauging block is electrically conductive and if the tip contacts the sidewalls of the V-shaped notch an electrical circuit is completed signalling the robot controller of tip misalignment. A third device comprises a shielding gas monitor having a closed tube to which the welding torch is applied for expelling shielding gas into the tube. The tube is in fluid communication with a flow gauge that measures gas flow and signals the controller if gas flow is insufficient.

REFERENCES:
patent: 4249062 (1981-02-01), Hozumi et al.
patent: 4935598 (1990-06-01), Ward
patent: 4967370 (1990-10-01), Stern et al.
patent: 5013887 (1991-05-01), Gold
"Industrial Robot Testing Concepts and Method, A Technical Overview", by Michael Wodzinski, Manager of Robot Testing, Selspot Systems, Ltd., Troy, Michigan.
"Robot Repeatability Test Equipment from John Deere", Deere Tech Services, John Deere Road, Moline, Illinois 61265, form E-3592-87-4.

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