Three-dimensional layer-by-layer shaping apparatus, three-dimensional layer-by-layer shaping apparatus control method, and three-dimensional layer-by-layer shaping apparatus control program
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United States of America
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Feb 18, 2020
Grant Date -
Jun 14, 2018
app pub date -
Mar 25, 2016
filing date -
Mar 25, 2016
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Abstract
This invention can maintain the temperature of the shaping plane in a three-dimensional layer-by-layer shaping apparatus. A three-dimensional layer-by-layer shaping apparatus includes a material spreader that spreads the material or materials of a three-dimensional layer-by-layer shaped object onto the shaping plane on which the three-dimensional layer-by-layer shaped object is to be shaped; an electron gun that generates an electron beam; at least one deflector that deflects the electron beam so that it scans the shaping plane one- or two-dimensionally; at least one lens that is positioned between the electron gun and the deflector, and focuses the electron beam; a focus controller that controls the focus of the electron beam based on which region is to be scanned by the electron beam; and a controller that controls the deflecting direction of the deflector and the scanning rate.
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