Abstract: A nozzle for a three-dimensional printing apparatus, comprising a main nozzle body (2) having an inlet end (4), an outlet end (6) and a central conduit (8) arranged there between, wherein the main nozzle body (2) is made of an electrically non-conductive body material. The main nozzle body (2) is provided with an electrically conductive first layer (10) and/or an electrically non-conductive second layer (12) arranged around the main nozzle body (2).
Type:
Grant
Filed:
June 9, 2017
Date of Patent:
September 3, 2019
Assignee:
Ultimaker B.V.
Inventors:
Erik van der Zalm, Johan Andreas Versteegh, Robert Huitema, Matthijs Neut, Martijn Elserman
Abstract: A filament feeder for use in an additive manufacturing system, comprising a main feeder body having mounted thereon a first biasing roller and a driven first gripper roller arranged at an adjustable first roller distance from each other allowing a filament material to be received between the first biasing roller and the first gripper roller. The filament feeder further comprises a second biasing roller and a driven second gripper roller arranged at an adjustable second roller distance from each other for receiving the filament material. A biasing assembly is provided in resilient engagement with the first and second biasing rollers and configured to bias the first and second biasing rollers toward the first and second gripper rollers, respectively, during an additive manufacturing process.
Abstract: A print bed levelling system for an additive manufacturing system includes a nozzle head assembly movably arranged with respect to a substantially flat print bed member, wherein the nozzle head assembly comprises one or more nozzle bodies, and a contactless sensor member disposed at a print bed engagement end of the nozzle head assembly. The contactless sensor member includes a sensing surface in sensing engagement with the print bed member over a relative sensing distance range between a distal sensing position and a proximal sensing position.
Abstract: A nozzle for a three-dimensional printing apparatus, comprising a main nozzle body (2) having an inlet end (4), an outlet end (6) and a central conduit (8) arranged there between, wherein the main nozzle body (2) is made of an electrically non-conductive body material. The main nozzle body (2) is provided with an electrically conductive first layer (10) and/or an electrically non-conductive second layer (12) arranged around the main nozzle body (2).
Type:
Application
Filed:
June 9, 2017
Publication date:
December 21, 2017
Applicant:
Ultimaker B.V.
Inventors:
Erik van der Zalm, Johan Andreas Versteegh, Robert Huitema, Matthijs Neut, Martijn Elserman
Abstract: A nozzle lifting assembly for an additive manufacturing system includes a base member and a lift member relatively movable with respect thereto, a first nozzle body arranged for being lifted by the lift member and a second nozzle body disposed on the base member. A wedge member is movably arranged relative to the base member and in wedging engagement with the lift member between a first and second wedge position, wherein the first and second wedge position correspond to a lowered position and a lifted position of the first nozzle body with respect to the second nozzle body, respectively.
Type:
Application
Filed:
January 25, 2017
Publication date:
July 27, 2017
Applicant:
Ultimaker B.V.
Inventors:
Peter Overgaauw, Erik van der Zalm, Bas Willem van Deursen, Jan Oosting, Marvin Hendrikus Theodorus Timmers
Abstract: An inductive nozzle heating assembly for an additive manufacturing system, comprises a rod shaped nozzle body of electrically conductive material provided with a passageway extending from an inlet end to an outlet end of the rod shaped nozzle body for dispensing an extrudable material. An induction coil unit is provided for magnetic engagement with the rod shaped nozzle body to allow heating thereof, wherein the induction coil unit encloses at least in part the rod shaped nozzle body. The induction coil unit and rod shaped nozzle body are spaced apart and separated by a minimum distance (Lg) larger than zero, and the rod shaped nozzle body comprises a heating piece having a predetermined Curie temperature.
Type:
Application
Filed:
September 28, 2016
Publication date:
March 30, 2017
Applicant:
Ultimaker B.V.
Inventors:
Martijn Elserman, Johan Andreas Versteegh, Erik van der Zalm
Abstract: A print bed levelling system for an additive manufacturing system includes a nozzle head assembly movably arranged with respect to a substantially flat print bed member, wherein the nozzle head assembly comprises one or more nozzle bodies each having a nozzle end and a contactless sensor member disposed at a print bed engagement end of the nozzle head assembly. The contactless sensor member comprises a sensing surface in sensing engagement with the print bed member over a relative sensing distance range between a distal sensing position and a proximal sensing position.