Remove cope and stand on it's side. Note sprue and pop-up hole
location marked on cope and drag.
Cut sprue and form pop-up. Place hand on opposite side of mold for support.
Form a small "pouring cup" on the top of the sprue. slick smooth with your
spoon.
Cut "runner" with tin cutter
from the "X" past the pop-up location.
Smooth runner with spoon. Erosion will eat away any rough areas and carry
into mold cavity.
Cut "gate" into cope, about 1/4" deep in this case. Gating into the drag
would destroy detail in hair.
Smooth gate with spoon.
Gently rap pattern to loosen, then remove.
Round the
sharp edges where the sprue meets the parting line.
Lightly dust mold with parting and gently blow out any loose sand.
Replace cope and move to pouring area.
Brass Fumes are
Dangerous!
Note the Respirator, you must wear a respirator when melting and pouring brass. The fumes
contain lead and zinc. Please protect yourself!
Clamp the mold closed (gently), or mold will leak from the parting line.
Place metal loosely in crucible.
Light match and drop
inside furnace in front of burner.
Release propane into furnace
simultaneously with match.
Furnace has a loud roar that tells you it's working. Replace lid, without
lid plug.