3D PRINT HEAD FOR USE IN A 3D PRINTER, 3D PRINTER COMPRISING SUCH A 3D PRINT HEAD, METHOD FOR OPERATING SUCH A 3D PRINTER, AND PRINTED ITEM PRODUCED BY SUCH A 3D PRINTER

摘要

The invention relates to a 3D print head for additively building up a component, comprising a chamber that is designed to receive liquid or solid printing material through an inlet, the chamber having an outlet that is provided and designed to apply liquid or liquefied printing material to a surface, and a device that is provided and designed to input ultrasonic waves into a welding region of the surface in the surroundings of the outlet before/during/after the printing material is applied.