| 主权项 |
1. A three-dimensional printing apparatus, comprising:
a swing tank, configured to contain a liquid formation material, and comprising a pivot side and a swing side, wherein the swing side is adapted to swing about the pivot side; a swing mechanism, comprising:
a cam, disposed at the swing side and comprising a shaft and at least one protruding edge, wherein the cam leans against the swing side, and rotates to drive the swing side swinging up and down through the at least one protruding edge; anda driving motor, configured to drive the cam to rotate; an elevating platform, movably disposed above the swing tank; a light source, disposed below the swing tank to irradiate and cure a irradiated part of the liquid formation material; and a control unit, coupled to the light source, the swing mechanism and the elevating platform, wherein the control unit controls the elevating platform to immerge into the liquid formation material by an initial depth, the light source irradiates and cures the irradiated part of the liquid formation material between the elevating platform and a bottom of the swing tank, the control unit controls the swing mechanism to drive the swing side to swing, such that the cured liquid formation material is separated from the bottom and is located on the elevating platform, and the cured liquid formation material is stacked on the elevating platform layer-by-layer to from a three-dimensional object. |
