B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/45
B23K 9/16 (2006.01) B23K 9/10 (2006.01)
Patent
CA 1198172
ABSTRACT OF INVENTION A method for controlling selected switching between preset welding schedules in a MIG welding operation, in response to operation from a single toggle switch having only an on and off position selection. The state of the toggle switch position is continuously interrogated to determine the posi- tion it occupied. Once in the on position a first preset schedule of welding parameters is initialized. If the toggle switch is placed in the off position and a second preset schedule ecists a timing opera- tion is initiated to switch to the second schedule of parameters provided the toggle switch is reoperated during the time period.
419931
Hopley William G.
Union Carbide Corporation
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