METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT
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United States of America
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Jan 23, 2020
app pub date -
Feb 20, 2019
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Feb 20, 2019
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Abstract
Method for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of build material layers (3), whereby each build material layer (3) comprises at least one irradiation area (IA) which is to be irradiated and consolidated by means of at least one energy beam (5), whereby the at least one irradiation area (IA) is irradiated on basis of a main irradiation pattern (MP) for consolidating the irradiation area (IA), the main irradiation pattern (MP) comprising a plurality of irradiation pattern elements (IPE) being separately irradiatable or irradiated with the at least one energy beam (5), whereby the amount of energy input into the respective irradiation pattern element (IPE) in the main irradiation step is different from the amount of energy input into the irradiation pattern element (IPE) in the at least one additional irradiation step.
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