Upslope on a Tig welder

We are often asked about the upslope setting on a Tig welder, how does it work and what is it used for. Upslope is a control that allows the amperage to rise (slope up) over the period of time set for this setting.

A graph showing the up slope setting on a tig welder

Upslope control on a Tig Welding Machine

For example if you had set 5 seconds with an amperage of 120 Amps upon triggering the tig torch trigger the weld current would initially ignite at the minimum crater value and then increase gradually over the 5 second time period. If your drew a graph of amperage on theĀ Y axis and time on the X axis you would see a line sloping up hence the name “Up Slope”

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