Welding apparatus with arc interval energy control
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United States of America Patent
Stats
-
Nov 10, 1981
Grant Date -
N/A
app pub date -
May 29, 1979
filing date -
May 30, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for short-arc welding comprises a controllable current source, means for controllably feeding a consumable wire electrode to the weld location, and a control unit for automatically adjusting the current source in dependence upon the weld sequence. The current source is arranged to provide welding periods divided into short-circuit intervals, arc intervals and optional rest intervals. The control unit includes means for continuously adjusting the relationship between arc interval energy and short-circuit interval energy in accordance with a predetermined function.
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