STEREOLITHOGRAPHY PRINTER

Techniques and systems for 3D printing with machines having imperfect light projection are described. A technique includes receiving an intensity map comprising a plurality of pixel values, wherein the pixel values of the intensity map represent variations in intensity of light projection of an addi...

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Bibliographische Detailangaben
1. Verfasser:	Adzima, Brian James
Format:	Patent
Sprache:	eng
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 CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PERFORMING OPERATIONS PHYSICS 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:	Techniques and systems for 3D printing with machines having imperfect light projection are described. A technique includes receiving an intensity map comprising a plurality of pixel values, wherein the pixel values of the intensity map represent variations in intensity of light projection of an additive-manufacturing apparatus; receiving cross-sectional images of a three dimensional (3D) model of an object, each cross-sectional image comprising a plurality of pixel values, each pixel value of each cross-sectional image having an X-location and a Y-location; for each cross-sectional image of the 3D model, applying pixel values of the intensity map to corresponding pixel values of the cross-sectional image of the 3D model, to make one of a plurality of additive-manufacturing images that are calibrated to account for the variations in intensity of the light projection; and providing the additive-manufacturing images to the additive-manufacturing apparatus to build the object.