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Trainee l4torkbook
Module I
Step 9: Pouring
¡ Put on welder's goggles & gloves
o At 6 minutes remove the burner nozzle from the mold for LP
CJ weld
o Place the diverter plug snug into the top gate. Press down
firmly for good seal (Figure 28).
¡ Set the crucible on top. Twist the crucible either clockwise
or counter-clockwise locking the guide plates in place; this
ensures that the crucible is centered over the gap.
o While holding the cover open, Iight ignition fuse by touching
inside of mold.
r Insert ignition fuse at an angle into charge in crucible (to a
maximum depth of 25 mm or 1 inch), igniting the charge
(Figure 29).
!
Lr
¡,
figure 28 fi.gure 29
¡ Cover crucible. When reaction is complete and metal starts
to fLow, wear dark glasses for protection.
o When the slag stops pouring, start the stopwatch
50
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