
116 makezine.com
SKILL BUILDER: Metal 3D Printing
gas like argon with a small amount of hydrogen,
a common welding gas mixture. Their sintering
furnace is designed to run at high temperatures
with the part in this gas. As a result, this is a
pricier system, with entry-level costs around
$10,000.
In this process, brown parts retain some of
their binder. Nanoe’s COE, Guillaume de Calan,
likes to make the analogy of building sand
castles. Removing all of the binder would give you
a pile of sand, but if some of the binder remains,
the castle would still be damp and hold together.
Sintering takes place in a gas environment, so
supports may ...