CPC B29C 64/209 (2017.08) [B29C 64/321 (2017.08); B29C 64/393 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B29C 64/118 (2017.08)] | 19 Claims |
1. A print head for additive manufacturing, comprising:
at least two proximate hobs suitable to receive and extrude therebetween a print material filament for the additive manufacturing;
a motor capable of imparting a rotation to at least one of the two hobs, wherein the extrusion results from the rotation;
a dynamic force adjustment capable of exerting force on one of the two hobs to urge the force-receiving hob toward the other of the two hobs; and
a controller adapted to control a feed speed and slippage of the print material filament in part by controlling the exerted force.
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