METHOD OF OPERATING A 3D PRINTER

A three-dimensional object printer comprises a platen (120), a gantry (130) positioned above the platen, an ejector head (140) positioned on the gantry, a sensor (146), and a controller. The controller is configured to operate the ejector (142) to eject at least one drop of material toward the plate...

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Bibliographische Detailangaben
Hauptverfasser:	LESTRANGE, Jack T, GIACOBBI, James L, BROUGHAM, Alex S, MCLAUGHLIN, Matthew R, WARNER, Victoria L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A three-dimensional object printer comprises a platen (120), a gantry (130) positioned above the platen, an ejector head (140) positioned on the gantry, a sensor (146), and a controller. The controller is configured to operate the ejector (142) to eject at least one drop of material toward the platen at an upper build level (112) and determine process and cross-process differentials between a fiducial and the at least one drop of material deposited on the upper build surface. The controller is also configured to determine an ejector head shift in a process direction and a cross-process direction associated with each of the plurality of build levels based at least in part on the determined process and cross-process differentials and a number of build levels between the base build level and the upper build level.