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|1. (WO2018086792) PRINT HEAD FOR A 3D PRINTER, WITH IMPROVED CONTROL|
|Applicants:||ROBERT BOSCH GMBH
|Title:||PRINT HEAD FOR A 3D PRINTER, WITH IMPROVED CONTROL|
The invention relates to a print head (10) for a 3D printer (1), comprising a feed zone (11) with a feed (12) for feedstock (20) with variable viscosity, a melting zone (14) comprising a heating element (15) and an outlet opening (16) for the liquid phase (22) of said feedstock (20), as well as a conveyor device (30) for conveying the feedstock (20) from the feed zone (11) into the melting zone (14), said conveyor device (30) comprising a plunger (31) that can be inserted into said feed zone (11).