Methods for control of a fusion welding process by maintaining a controlled weld pool volume
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United States of America Patent
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Jan 15, 2013
Grant Date -
Nov 18, 2010
app pub date -
May 14, 2010
filing date -
May 14, 2009
priority date (Note) -
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Abstract
A new method of process control for fusion welding maintains a controlled weld pool size or volume, for example in some applications a substantially constant weld pool size or volume. The invention comprises a method of linking machine and process variables to the weld pool size or volume in real time, thereby enabling constant weld pool volume control. The invention further comprises a method of using thermal inverse models to rapidly process real-time data and enable models-based control of welding processes so as to implement constant weld pool volume control.
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