APPARATUS AND METHOD FOR PRODUCING OBJECTS UTILIZING THREE-DIMENSIONAL PRINTING
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United States of America Patent
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Sep 30, 2015
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Oct 3, 2014
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Abstract
A method and apparatus for the fabrication of an article made using a three-dimensional printing process. The invention includes depositing material from a print head onto a build plate located in a build chamber to form an article, heating ambient air in the build chamber to a first temperature which acts as a proper sink temperature for cooling of the article, and heating the build plate to a second temperature which is higher than the first temperature. The first and second temperatures are controlled to minimize warping and thermal stress of the article.
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