Control for gas metal arc welding system
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United States of America Patent
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-
Dec 27, 1988
Grant Date -
N/A
app pub date -
Sep 17, 1986
filing date -
Sep 17, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arc welder control in which the current is pulsed between a high level and a low level. The high level pulse is maintained until a selected energy condition is satisfied. The low level pulse is maintained to satisfy an average energy condition. A proximity control moves the torch head and the feed wire tip toward and away from the work to stabilize a parameter of welder operation which may deviate with the current pulse energy control.
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