3D METAL PRINTING APPARATUS AND PRINTING METHOD USING THE SAME

摘要

The present invention relates to a three-dimensional metal printing apparatus which can rapidly manufacture a three-dimensional metal product of a random shape through a path according to three-dimensional CAD data by using a hydrothermal method locally educing metal by heat, when focusing light to a metal formate solution discharged through a nozzle and exposing the same, or focusing a laser beam to a metal formate solution in a storage tank, and to a printing method using the same. The three-dimensional metal printing apparatus according to the present invention comprises a stage; a material supply means supplying a liquid metal formate solution in which metal ions are dissolved therein to the stage; and a laser irradiator radiating a laser beam to the stage, and educing metal by a local thermal-chemical reaction in the metal formate solution supplied to the stage.