- 17 - PATON ProTIG AC/DC TIG/MMA
- 4-stroke mode: After the button is first pressed and held down, the welding
process begins. There is a pre-welding purge and arc ignition at the start current.
The start current will be maintained until the button is released, after which the start
current will smoothly increase to the set value for the time Tp. After pushing the
button again and holding it, the set current will smoothly decrease to the completion
current in the time Ts, and will remain until the button is released. Then the arc will
go out and the post-welding purge will take place. The welder chooses the button
modes individually depending on the welding conditions.
Typical cyclogram of the 2-stroke button mode (TIG DC/2T+pulse)
Typical cyclogram of the 4-stroke button mode (TIG DC/4T+pulse)
Example of using the pulse mode:
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