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REMOVING AIR FROM POWDER AND PACKING THE
FEED BOX
5. Insert the powder scoop repeatedly a few inches
into the loose powder to compact it. Continue for about
a minute until it feels firm.
Repeat steps 5 for every two scoops of powder.
6. When the feed box is filled to the top, take the tamper
and slowly press it into the powder surface. Be careful
not to “slap” the tamper into the feed box, which will
produce airborne particles. About 10-15 pounds of force
will give it a smooth, flat, and compact surface. Failure
to firmly pack the powder will affect part quality.