Why the CNC plasma cutting machine can not cut through the steel?
First to check if it the problem of the machine or the plasma power supply.
The common problems of CNC plasma cutting machine are the following factors. No arc CNC
plasma cutting machine; the arc can not cut through the plate, or the arc easy broken through
cutting etc..
When face the problem of no arc, first we need to check the electrode and nozzle of the cuttin
g gun. If it is damaged or replaced bad position. If it is in good condition, we have to check
whether the plasma power ventilation or air supply bad. We can judge the power supply
problems or CNC cutting machine problem through a short connecting power -the arc.
The plate can not be cut through by arc. Why? 1 reasons, a small current of CNC plasma power
machine can not cut the thick plate, 2, Grounding wires and cutting plate is not connected
well. 3, The air pressure is too small. 4, the gas for the plasma power supply owns high water
content. 5, The plasma cutting nozzle is too small.
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