Metal powder processing equipment
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United States of America Patent
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Apr 18, 2017
Grant Date -
Oct 8, 2015
app pub date -
Sep 4, 2014
filing date -
Apr 4, 2014
priority date (Note) -
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Abstract
In metal powder processing equipment where metal powder is sequentially laminated on a table of a chamber and laser beam melting or electron beam melting is performed or cutting and shaping are performed by a rotating tool subsequent to melting, a first temperature adjusting unit is placed at a lower bottom portion of the table and a second temperature adjusting unit is disposed in contact with and around the outer wall of the chamber and both units are simultaneously heated or cooled; a room partially enclosing a metal powder reserve tank and a metal powder supply pipe is provided with a third temperature adjusting unit, the temperature of which is set to average temperature of the second temperature adjusting unit before the second one actuates, so that deterioration of dimensional precision in processing and deterioration of metal powder quality can be prevented by keeping heating temperature constant.
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