Hypertherm® recommends these steps when you have
one of these cutting problems.
The pilot arc starts but does not transfer to the workpiece.
-
Make sure that the work cable is correctly connected to the cutting
table and is fully tightened.
-
Lower the torch so that it is closer to the workpiece.
-
Make sure that the system is not in a fault condition.
The plasma arc does not cut completely through the workpiece, and there is
too much sparking on top of the workpiece.
-
Increase the arc current.
Refer to the XPR Cut Charts Instruction Manual
(809830).
-
Decrease the cut speed.
Refer to the XPR Cut Charts Instruction Manual
(809830).
-
Replace consumables that are worn or have damage.
-
Cut thinner material.
There is dross on the bottom of the cut.
-
Adjust the cutting speed to align with the type and thickness of the
metal being cut.
Refer to the XPR Cut Charts Instruction Manual
(809830).
-
Increase the arc current.
Refer to the XPR Cut Charts Instruction Manual
(809830).
-
Replace consumables that are worn or have damage.
The angle of the cut is not square.
-
Make sure that the direction of the torch travel is correct.
The high-quality side of the cut is on the right with regard to the
forward motion of the torch.
-
Make sure that the following settings are correct:
- Torch height
- Cut speed
- Arc current
For the recommended settings for the type and thickness of the metal
that you are cutting, refer to the XPR Cut Charts Instruction
Manual (809830).
-
Make sure that the torch head is perpendicular to the workpiece.
-
Replace consumables that are worn or have damage.
