Wire feeder with non-linear speed control

Details Wire feeder with non-linear speed control Wire feeder with non-linear speed control

1997-08-15

1999-11-23

Shaw, Clifford C.

Electric heating

Metal heating

By arc

B23K 912

Patent

active

059904470

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.

REFERENCES:
patent: 2223177 (1940-11-01), Jones
patent: 3509314 (1970-04-01), Freytag
patent: 3989921 (1976-11-01), Ohi et al.
patent: 4216367 (1980-08-01), Risberg
patent: 4430551 (1984-02-01), Toth
patent: 4608482 (1986-08-01), Cox et al.
patent: 5834733 (1998-11-01), Oyama et al.

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