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    • 70. 发明申请
    • PROCESS PLANNING OF MENISCUS SHAPES FOR FABRICATING SMOOTH SURFACES IN MASK IMAGE PROJECTION BASED ADDITIVE MANUFACTURING
    • 基于掩模图像投影的添加剂制造工艺制作平滑表面的曼尼斯形状的工艺规划
    • US20130313756A1
    • 2013-11-28
    • US13900455
    • 2013-05-22
    • Yayue PanYong Chen
    • Yong ChenYayue Pan
    • B29C41/52
    • B29C41/52B29C64/135B33Y30/00B33Y50/02
    • A system may produce a desired three dimensional object that includes a tank that holds a liquid that solidifies upon exposure to light; a controllable stage that controllably moves within the tank; a controllable light source that emits a light image in a controllable pattern; and a controller that controls the controllable stage and the controllable light source so as to cause at least three cascaded layers to be sequentially solidified in the liquid that collectively approximate at least a section of the desired three dimensional object and that collectively form at least one up-facing step at their outer edges; and, following the solidification of the at least three cascaded layers, cause a meniscus of the liquid to form and solidify in the at least one up-facing step. The controller may control the number and/or width of the sequentially solidified cascaded layers.
    • 系统可以产生期望的三维物体,其包括容纳在暴露于光时固化的液体的罐; 在罐内可控地移动的可控阶段; 以可控图案发射光图像的可控光源; 以及控制器,其控制可控阶段和可控光源,以使至少三个级联层在液体中依次固化,共同接近期望的三维物体的至少一部分,并且共同形成至少一个上 在其外边缘; 并且在所述至少三个级联层的凝固之后,使所述液体的弯液面在所述至少一个向上的步骤中形成和固化。 控制器可以控制依次固化的级联层的数量和/或宽度。