When the laser cutting machine cutting low carbon steel sparks appear abnormal solutions

Laser cutting machine cutting low carbon steel when appear abnormal spark the solution of this kind of situation will affect the cutting section finish machining quality of parts. In the case of other parameters is normal at this time, should consider the following situation: laser nozzle NOZZEL loss, should be timely replacement of the nozzle. In the absence of new nozzle replacement, should step up cutting working gas pressure; Nozzle with laser joint thread is loose. At this time should immediately stop cutting, check the laser connection state, again for thread.