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| Comparison Matrix |key for ytunnel pro 272
The
Investment Casting Processkey for ytunnel pro 272
key for ytunnel pro 272
 1.
WAX INJECTION
Wax replicas of the desired castings are produced. These replicas are called
patterns.key for ytunnel pro 272
 2.
SPRUING
The patterns are attached to a central wax stick or rod, called a sprue, to
form a casting cluster or assembly.
key for ytunnel pro 272
 3.
SHELL BUILDING
The shell is built by immersing the assembly in a liquid ceramic slurry and
then into a bed of extremely fine sand. This is done many times always waiting
for the previous layer to dry first.key for ytunnel pro 272
 4.
BURNOUT OR DEWAX
Once the ceramic is dry, the assembly is placed in a kiln or furnace and wax
is melted out. Thus creating a negative impression within the shell.
key for ytunnel pro 272
 5.
CASTING
Molten metal is poured into the ceramic shel immediately after the assembly is
removed from the kiln.key for ytunnel pro 272
key for ytunnel pro 272
 6.
BREAKOUT
When the metal has cooled and solidified, the ceramic shell is broken off by
vibration or water blasting.
key for ytunnel pro 272
7.
CUT OFF & FINISHING
The parts are cut away from the central sprue, inspected and any fragments of
the ceramic shell are removed.
key for ytunnel pro 272
 8.
FINAL INSPECTION & SHIP
After a final inspection, the metal castings--identical to the original wax
patterns--are ready for shipment to the customerkey for ytunnel pro 272
key for ytunnel pro 272
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| Comparison Matrix || key for ytunnel pro 272
key for ytunnel pro 272
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