VAT-BASED ADDITIVE MANUFACTURING WITH DISPENSED MATERIAL

摘要

Methods of creating additive manufactured parts include selectively dispensing a second composition onto a top surface of a first composition in a vat. The second composition is dispensed in a shape area according to a layer of a part to be created by additive manufacturing. Polymerization components for formation of the layer are kept separate from each other until the dispensing, with at least one of the polymerization components being in the second composition. The top surface is illuminated to expose the first composition and the second composition to light having a polymerization wavelength, thereby causing polymerization of the layer of the part only in the shape area where the second composition was dispensed.