13Bend-Tech Dragon A400
Plasma Cutting Guide
Consumables
01
deteriorate as the Torch is used. Once pit depth reaches .040-.045 in. the electrode and nozzle
should be replaced. To determine pit depth, measure the distance from the surface of the
electrode to the bottom of the pit of the electrode. Use a quality pit depth gauge. Follow the
manufacturer’s recommendations for pit depth.
In the case of a spring electrode ensure the spring is intact and moves freely.
Swirl Ring
Inspect the swirl ring for cracks, deformations and clogged holes. The swirl ring does not wear
like the electrode and nozzle, but it can become cracked from heat cycling or from some sort
of physical damage. The swirl ring will only need to be replaced if there is evidence of physical
damage.
Retaining Cap
Ensure the retaining cap is free of slag and not cracked, and that the threads are intact. Dirt
can damage the retaining cap threads. Heat can damage the retaining cap.
Make sure spring is
intact and moves freely.
Pit depth measured
here.
Make sure the swirl
ring has no cracks or
deformations, and that
the holes are clear.
Make sure the threads
are clean and intact.
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