FIELD: manufacturing technology.
SUBSTANCE: invention relates to production of 3D articles. Device includes a post, construction platform, sealed construction chamber arranged on post, devices for maintaining working medium in chamber, supply of powder and planarisation of powder layer on construction platform, layer-by-layer laser sintering and removal of excess material, as well as containers for placement of construction platform with vertical drive and collection of excess powder. Construction chamber is made with a process hatch arranged in bottom part, and is equipped with a cover placed under construction chamber capable of moving vertically, said cover coupled with container of construction platform.
EFFECT: increasing size of article without increasing size of construction chamber.
3 cl, 6 dwg
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