one last question about the air how long should it run after the touch shuts off mine runs for almost 30 second to 60 seconds
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YES…30 SECONDS MINIMUM…
air should run cold and the tip cold to the touch before it turns off…
Just add a regulator to the back of the plasma cutter. That way you can adjust air with out taking the cover off. Plunge rate 50 to 60 ipm
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Lets do this as an example. If you take a garden hose and not put a nozzle on it and turn on the water it will flow in a nice uniform stream. Now put the nozzle on and the water sprays all over the place in a uniform stream.
The same thing happens to the plasma stream. if you set your air pressure at the right psi the flame is uniform this will give you the best cuts. Over setting the air pressure will distort the flame and therefore will cause bad cuts as well as cause abnormal consumable wear.
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