Galvanometer Scanners with Digital Position Sensors Meet Industry's Toughest Challenges
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Galvanometer Scanners with Digital Position Sensors Meet Industry's Toughest Challenges
- Author:
Dr. Michael Breit and Dr. Hans-Joachim Muenzer
Countless applications rely on laser processing systems driven by highly dynamic galvo scanners, which precisely position the laser beam onto workpieces. For each application, mirrors mounted on the galvanometers accurately guide the laser. These systems' core components are a galvo motor (based on moving magnets) and a position sensor, which alone accounts for much of the scanner's performance. Until recently, analog detectors have typically been employed, but their fundamental limitations become apparent when highest dynamic performance and precision are needed
