PSI, a leading manufacturer of galvo scanners
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Dynamic Focusing Module

Multiple PSI patented technologies being applied, DFM19 is designed for dynamic focusing and 3D marking. It represents the smallest and most compact dynamic module in the industry, with outstanding features including fairly long lens travel distance(4.5mm), fast speed, high resolution and zero drift. DFM19 offers ideal solutions for high accuracy applications, such as additive manufacturing (3D printing), laser welding and laser 3D engraving etc.

Specifications DFM 19
Beam input aperture up to max. 19 mm
Motor specifications
    Maximum lens travel 4 mm
    Tracking error 0.8 ms
    Typical travel speed 200 mm/s
    Repeatability 100 nm
    Linearity 99.8%
    Long-term drift (over 8 hours) < 2 µm
Power requirements
    Voltage 15V
    Current Max. 3.5 A
Electrical connections XY2-100
Operating temperature 0~50