| 摘要 |
PROBLEM TO BE SOLVED: To provide a three-dimensional printing device for executing bi-directional printing, for enhancing efficiency of three-dimensional printing.SOLUTION: A base 110 comprises: a first supply platform 114; a print head 112; and a second supply platform 116, they are arranged sequentially on a printing route P1. The first supply platform and the second supply platform respectively transport construction powders. The first supply platform and the second supply platform alternately raise to a printing reference plane PL of the base for supplying the construction powders to the print head. A print head module 120 is mounted on an upper part of the base, moves toward a forward direction of the printing route, transports the construction powders of the first supply platform onto the print head, moves toward a reverse direction of the printing route, transports the construction powders of the second supply platform onto the print head, and then forms adhesive powder layers formed by collecting and laminating the construction powders, thereby a three-dimensional object is formed, in a three-dimensional printing device 100.SELECTED DRAWING: Figure 3 |
