Wire feeder with non-linear speed control
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United States of America Patent
Stats
-
Jan 7, 2003
Grant Date -
Dec 6, 2001
app pub date -
Feb 20, 2001
filing date -
Aug 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A welding machine with a wire feeder and a controller is disclosed. The wire feeder includes a wire feed motor with a motor speed input. The controller is coupled to the motor speed control input. A user selectable wire feed speed input is also connected to the controller. The controller has an input circuit coupled with a non-linear stage such that the relationship between the user selectable wire feed speed input and the actual wire feed speed is not linear. The selectable input may be a potentiometer mounted on a front panel as the user selectable wire feed speed input. The non-linearity may be continuous or two discrete gains.
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