21
GB/CY
Troubleshooting
Plasma burner
8
is not ready for
operation?
Current switch is switched off.
Air transmission is restricted.
Workpiece is not connected to
the ground terminal.
Switch the current switch to
“on”.
Another indication of this is
a green fl ame. Check the air
supply.
Check the connections.
Sparks fl y
upwards, instead
of down through
the material?
Burner sleeve
8c
does not
penetrate the material.
Burner sleeve
8c
is too far
away from the material.
Apparently material was not
grounded properly.
Lifting speed is too quick.
Increase the current.
Reduce the distance between
the burner sleeve
8c
and
material.
Check the connection for
correct grounding.
Reduce the speed.
Initial cut but not
completely drilled
through?
Potential connection problem.
Check all connections.
Slag formation on
interfaces?
Tool/material creates heat.
Cutting speed too low or
current too high.
Plasma burner component
parts are worn
8b
,
8c
,
8d
,
8e
.
Allow the material to cool
down and then continue
cutting.
Increase the speed and/or
reduce the current until the
slag has been reduced to a
minimum.
Check and replace worn
parts.
Consumables
wear quickly?
Performance was
overstretched.
Arc control time exceeded.
Incorrect plasma burner
assembly.
Insuffi cient air supply,
pressure too low.
Faulty air compressor.
Material too thick, increase
the angle to avoid material
from being blown back into
the tip.
Do not control the arc for
more than 5 seconds. You can
also start with contact
between the burner sleeve
8c
and metal or with a 3.2 mm
distance to the metal.
Check the air fi lter, increase
the air pressure.
Check the performance of
the external air compressor
and make sure the pressure
is 4–4.5 bar.
Содержание 360432 2010
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