With laser cutting not completely cut through

Laser cutting laser cutting machine have not been completely cut through, the following several ways is the unstable situation of main processing: laser nozzle mismatch between the selection and processing of thickness; Laser cutting speed too fast, need to reduce the linear velocity operation; Nozzle is not allowed induction to the laser focus position error is too big, need to test the nozzle sensor data, especially when cutting aluminum is easy to appear. The wastage of the laser head nozzle NOZZEL, should be timely replacement of the nozzle. In the case of no new nozzle to replace, can increase the cutting through the working gas pressure; Nozzle with laser joint thread is loose. At this time should immediately suspend cutting, check the laser connection state, again for thread.