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OPERATION
OPERATION
Plasma cutting direction
In order to provide and maintain a stable arc, the plasma air/gas flow swirls as it exits the torch.
Due to the swirling flow of the plasma gas, the other side of the resulting cut is straighter (less bevel angle) than the other.
The figure shows that in relation to the cutting direction the right-hand side of the cut is straighter.
Moving the plasma cutting torch counter-
clockwise in the hole produces a straighter
cut along the inner side of the hole.
Moving the plasma cutting torch clockwise
on the outer edge produces a straighter cut
along the outer edges of the workpiece.
Underwater plasma cutting
Plasma cutting in water, in contact with water or with a water muffler system is not recommended.
If a water table is required, the water level must be at least 100mm (4") below the bottom of the metal
plate.
The cut quality can be poor and the consumable life shortened if this recommendation is not followed.
Edge start cutting
Place the nozzle of the cutting torch in
1 1
an upright position at the edge of the
workpiece.
2
90˚
90°
Continue cutting in the direction shown in
3
the figure.
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Counter
clockwise
Workpiece
90˚
Start cutting from the edge of the workpiece.
Do not move the torch until you have cut through the
workpiece.
Clockwise
Left side
Cut angle
90°
Cutting
direction
Right side
Cut angle
11
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