Figure 1. The structure of A200M fiber laser cutting head.
Fiber socket: Connect with fiber laser source.
Collimate unit: turn the incident laser beam into parallel beam，which can be adjust for
centering the laser beam.
Focus unit: turn the parallel beam into gathered beam with high energy, and adjust the
focus position in real time by regulating the focus unit.
Protective unit: avoid the focus lens being polluted by the dust from the surface of the metal
sheet and by the metal dregs produced during cutting which can increase the service life
of focus lens.
Nozzle tips unit: lead the gathered beam into the meal sheet and at the same time jet out
high-speed gas flow to make sure the perfect cutting quality.
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