TIG processes and current modes

DC- TIG

DC- (direct current, negative polarity) TIG is a TIG current mode where the polarity of the electrode is negative throughout the welding process. Negative polarity allows high penetration.

Pulse TIG (Minarc T 223 DC MLP model only)

Pulse TIG is a welding process where the current is pulsed between the base current and the pulse current. Pulse TIG is used for optimizing arc characteristics.

The user can adjust the pulse frequency, other parameters are defined by the active welding program. Pulse frequency determines how many pulse cycles are created per second (Hz). The pulse frequency values are listed below. The default value is 1.0 Hz.

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0.1 ... 10 Hz, step 0.1

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10 ... 100 Hz, step 1 (note that a value in the range 10 ... 50 Hz is eye-straining)

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100 ... 300 Hz, step 10

 

>>  To take pulse TIG into use, press the pulse TIG button in the MLP control panel.

>>  To adjust the pulse frequency, long-press the pulse TIG button.