(1) Screw off the nozzle tips;
(2) Hold the ceramic ring straight and then screw off the lock ring;
(3) Alignment the pin hole of the new ceramic ring with the 2 locating pin, and hold straight the
ceramic ring, then screw on the lock ring;
(4) Screw on nozzle tips and tighten it with proper strength.
■ Replacement of nozzle tips:
(1) Screw off the nozzle tips;
(2) Screw on a new nozzle tips and tighten it with proper strength;
(3) Head calibration must be done again after the replacement of nozzle tips or ceramic rings.
Figure 15. Ceramic rings and nozzle tips of A200M fiber laser cutting head.
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