Page 71 - Welding of Aluminium and its Alloys
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Cutting speed (mm/min) 6000 540 60 4500 300 3800 3000 1200
Gas pressure 4 6 7
Assist gas oxygen oxygen oxygen oxygen nitrogen oxygen oxygen oxygen
Pulse width (ms) 1 0.5 1.5 na na na na na
Pulse frequency (Hz) 120 100 31 na na na na na
Average power (kW) 0.174 0.414 0.224 2 2 1.41 1.2 1.5
Parameters for laser cutting Thickness (mm) 1.2 2 4 2 2 1.2 2 4
Table 4.3 Process Pulsed Nd-YAG CW Nd-YAG CW CO 2
