FIELD: manufacturing technology.
SUBSTANCE: invention relates to layer-by-layer manufacturing of three-dimensional articles from powder. Device comprises construction chamber, construction platform configured for vertical movement, powder feeder with metering device, laser device for programmed layer-by-layer laser fusion of preset area of powder layer on construction platform and device for powder delivery to construction platform and its leveling, arranged in horizontal guides, equipped with its displacement drive and containing container with receiving opening for powder from powder feeder. Device for powder delivery to construction platform and its leveling is made with possibility of vertical controlled movement relative to horizontal guides, wherein it comprises a board provided with flexible leveling elements arranged in its lower part in parallel on one level, and made with openings located in front of each of the leveling elements and parallel thereto. Powder container has channels for directing the powder to the said openings.
EFFECT: higher accuracy of geometric dimensions of manufactured article.
1 cl, 4 dwg
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