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POSITIONSERFASSUNGSVERFAHREN FÜR GENERATIVE FERTIGUNG SOWIE ZUGEHÖRIGE SYSTEME UND VERFAHREN

Patentnummer:EP3475051B1
IPC Hauptklasse:G01B21/02
Anmelder:FORMLABS INC (1)
FORMLABS,INC. (1)
福姆实验室公司 (1)
Erfinder:FRANTZDALE BEN (1)
FRANTZDALE BENJAMIN (1)
MEGRETSKI DMITRI (1)
NOLET ALEXANDER (1)
Anmeldung:27.06.17
Patenterteilung:25.05.22
Einspruch bis:25.02.23

Abstract / Hauptanspruch
Techniques for measuring a position of a build platform in an additive fabrication device are provided. Such techniques may include detecting the onset and/or dissipation of force applied to a build platform as it moves from being in contact with, to being out of contact with, a container. In some embodiments, the techniques described herein may be applied in a stereolithographic additive fabrication device. According to some embodiments, measurement of forces applied to a build platform may be used to provide for reliable and consistent measurements of the height of the build platform relative to a container by measuring such forces at various positions of the build platform and analyzing the pattern of the forces with distance from the container.


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