USER MANUAL
7. Edit Retract Height.
• Sets the height the torch is raised (retracted) following end of a cut. For full retract to
the top position select more than 60 mm (2.5 inches) value, that selection causes it to
rise to the top.
• At end of a cut, before moving to the next cut, torch is normally retracted to clear any
obstructions such a part that tips up. Time is saved if a full retract is not required.
Hint: If cutting small parts that may tip up or thin metal that is likely to spring up, set for
higher retract to make sure the torch clears the cut piece. Use lesser amounts for larger
pieces.
8. Edit Lock Head Down.
• Sets voltage upper limit as percent (4-20%) of operating arc voltage.
• When crossing a kerf or hole or going off the edge of the plate, arc voltage rises very
rapidly. System will respond to the rise in voltage by lowering the torch trying to keep
voltage constant. Without Lock Head Down torch will be driven into the plate. When
voltage exceeds Lock Head Down setting, system stops trying to control height. Also
refer to the System Response setting.
Hint: For thicker metal which tend to be fairly flat and using lower cutting speeds the arc
voltage doesn’t change very rapidly except when crossing kerfs & holes so using a lower %
will respond quicker, typically 5-10%. For higher speeds on thinner or warped metal where
normal cutting voltage changes more rapidly, use a higher number around 10-15% or
even 20%.
9. Edit System Response.
• Sets gain (response) of system (1-30). Factory setting of 7 is usually OK.
• With thicker metal and lower cutting speeds where a faster response is not needed a
lower Dynamic setting in combination with a lower Lock Head Down level %, can help
prevent or limit torch diving when crossing kerfs or holes or when the part or scrap
drops out before finishing the cut.
• Very high speeds on very thin or highly warped metal may require increasing the
Dynamic setting to respond faster. Be careful to not go so high the torch overshoots and
oscillates up and down. Remember you will generally want to go back to 7 normal
cutting.
10. Place the system in the correct cutting modes desired (AVC ON/OFF, Test/Run).
11. Now a cut can be made with the Neuron.THC system. Verify the status of the LED’s on the
cutting sequence LEDs during operation.
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