PT-31 Torch Requirements
Air:
Warning – Always turn off the machine before changing tips
60 PSI / 4 BAR whilst air is flowing through the torch
The air must be clean and dry and free from oil and other contaminants
Genuine consumables must be used to ensure reliable starting and maximum life of
the torch and tips, as well as the best possible cut
The principle behind plasma
The plasma beam is essentially a very high energy ionised gas stream. This is created by
passing air at high velocity whilst spinning through a carefully formed arc, the arc is formed
between the hafnium tip of the electrode and the inner surface of the copper nozzle. The
swirl ring that is located between the nozzle and the electrode is primarily present to create
a stable high velocity spinning vortex of air, this stable spinning vortex of ionised gas forms
the plasma beam as it exits the nozzle orifice.
The ionised plasma beam can reach temperatures in excess of 25,000 degrees centigrade,
which allows the plasma cutting system to cut so quickly and effortlessly.
