At Tecnica we utilized our patented process for leveling of the print bed. The invention is based on transmitting light from the print head and analyzing the returned light from the print bed. A light source (infrared LED) mounted and surrounded by Light detectors (photo transistors) is mounted next to the print . The light source emits light which is reflected back from the print bed.
The process is fully automated and takes less than a minute to complete.
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Fig. 2 Fig. 3
The surrounding photo detectors measures the light coming back (angle of incident). The invention is based on emission of infrared signals and reception of the deflecting signals from the opposite surface. The patent incorporates a tuneup algorithm and a leveling algorithm to control the leveling actuator.