FIELD: additive manufacturing.
SUBSTANCE: group of inventions relates to the field of additive manufacturing. The extruder of the construction printer includes the following units. The dry component supply unit is the first cylindrical housing with a screw installed in it, driven by the first drive. The mixture preparation unit is a cylindrical container, the first input of which is connected to the output of the dry component supply unit, and the output is connected to the input of the mixture delivery unit. Moreover, an axis with many blades is installed in the tank, driven by a second drive. The water supply unit is a channel with a controlled valve, the outlet of which is connected to the second inlet of the mixture preparation unit. The additive supply unit is a channel with a controlled valve, the outlet of which is connected to the third inlet of the mixture preparation unit. The mixture delivery unit is a second cylindrical housing with a screw installed in it, driven by a third drive, and a nozzle is installed at the output of the delivery unit.
EFFECT: increase in the quality of mixing components in the extruder.
5 cl, 2 dwg
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