PRINT HEAD FOR A 3D PRINTER
The invention relates to a print head (10) for a 3D printer (1), comprising a feed section (11) having a feeder (12) for a starting material (21) that is variable in the viscosity thereof; a plasticizing zone (14) having a heater (15) and an outlet opening (16) for the liquid phase (22) of the start...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The invention relates to a print head (10) for a 3D printer (1), comprising a feed section (11) having a feeder (12) for a starting material (21) that is variable in the viscosity thereof; a plasticizing zone (14) having a heater (15) and an outlet opening (16) for the liquid phase (22) of the starting material (21); and a conveying device (30) for conveying the starting material (21) from the feed section (11) to the plasticizing zone (14), wherein the conveying device (30) comprises a piston (31) that can be inserted into the feed section (11). The invention is characterized in that the piston (31) has a first piston portion (5) facing the plasticizing zone (14) and having a guide surface (9), through which the piston (31) is guided in a bore (7) of the print head (10). |
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