SED-ZWMJ3-G — UV Laser Inkjet / Marking Machine
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SED-ZWMJ3-G 3W UV laser inkjet/marking machine. 355 nm intra-cavity tripled laser, average output >3W @ 30 kHz, pulse repetition 30–150 kHz, pulse width <13 ns, M²<1.2, 10,000 mm/s digital galvo scan speed, F=160 mm fiel
Funktionsweise
Diode-pumped solid-state laser frequency-tripled to 355 nm produces short UV pulses; high-speed digital galvanometers steer the beam through an F=160 mm field lens onto the workpiece, where short-wavelength photons directly break molecular bonds (cold ablation), producing a precise high-contrast mark with negligible heat-affected zone. A 2000-line encoder and photoelectric trigger (optional) enable flying inline coding. Dual-loop water chiller maintains laser temperature at ±0.2°C for long-term stability. Red-laser 2-point focus assist and coaxial alignment laser for accurate setup.