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1. (WO2018086792) PRINT HEAD FOR A 3D PRINTER, WITH IMPROVED CONTROL

Pub. No.:    WO/2018/086792    International Application No.:    PCT/EP2017/073900
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Fri Sep 22 01:59:59 CEST 2017
IPC: B33Y 10/00
B33Y 50/02
B29C 64/106
B29C 64/209
B29C 64/393
Applicants: ROBERT BOSCH GMBH
Inventors: STREICHER, Markus
HERBSTER, Sebastian
ROMAN, Victor
DUEFORMANTEL, Christian
LUNG, Norman
JAHNLE, Hendrik
Title: PRINT HEAD FOR A 3D PRINTER, WITH IMPROVED CONTROL
Abstract:
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).