System and method for building three-dimensional objects with metal-based alloys
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United States of America Patent
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May 17, 2011
Grant Date -
Dec 24, 2009
app pub date -
Jun 24, 2008
filing date -
Jun 24, 2008
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Abstract
A digital manufacturing system comprises a build chamber, a build platform disposed within the build chamber, at least one extrusion line configured to heat a metal-based alloy up to a temperature between solidus and liquidus temperatures of the metal-based alloy, a deposition head disposed within the build chamber and configured to deposit the heated metal-based alloy onto the build platform in a predetermined pattern, an umbilical having a first end located outside of the build chamber and a second end connected to the deposition head, and at least one gantry assembly configured to cause relative motion between the build platform and the deposition head within the build chamber, where the at least one gantry assembly comprises a motor disposed outside of the build chamber.
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