Strike fire when laser machine do cutting work there are two possible problems as below:
Strike fire inside or outside of the tube all you can see there is obvious sound of firecrackers and electric arc.
1. Why strike fire inside the laser tube ?
A)The water not full into the laser tube and there is air bubble inside the laser tube
B) the lead wire of laser tube electrode poor contact.
C) power ON/OFF order not correct
D)Laser tube quality not good.
2. Why strike fire outside the laser tube ?
A) high voltage wire connector loose or poor contact
B) The air too wet that make electric discharge.
C) High voltage wire leakage maybe there is damaged on high voltage wires.