Process for controlling the welding current as a function of welding speed in arc welding equipment
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United States of America Patent
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Aug 8, 1995
Issued Date -
N/A
app pub date -
May 19, 1994
filing date -
May 20, 1992
priority date (Note) -
Expired
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Abstract
A welding speed-dependent voltage (11) is added to a variable fixed voltage (13), to control the welding current as a function of welding speed in DC arc welding equipment, for the continuous welding of longitudinal seams of tube-shaped metal bands. In addition, the sum (15) of speed-dependent voltage (11) and variable fixed voltage (13) is superimposed by a pulsed DC voltage by a summing amplifier (28).
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