lost wax casting. ring wax mrs. pearson will cut your wax to width
TRANSCRIPT
Lost Wax Casting
Ring wax
Mrs.
Pearson
will cut
your wax to
width
Size the
inside of
your ring
Tools for shaping your
ring
Using the Jewelry
Saw
Filing the Wax
Heating tools for
wax.
(SAFETY)
Weigh your wax model. Wax cannot exceed 1.5 grams.
Multiply your
wax weight by
Ten.
REMEMBER
WEIGHT!!!
Cut sprue, ¼ of an inch long, weigh with wax ring
Sprue up
½ inch from top
of wax model to top of flask
Mixing the Investment
Measure Flask of Water
Water should be ¼ inch from top
Pour the water into the rubber
bowl
Add powder
until you have
an island
Have fun mixing
Add powder until you have a pancake batter consistency
Vibrate bubbles out
Slowly pour the investment in; avoid pouring directly
on top of the ring
Fill to the top
Vibrate your flask
Let it dry, mark your initials, period, and the weight you
need in metal.
Leftover Investment
O Let the leftover investment dry in the bowl
O Do Not pour investment down sink
O After the investment is dry, put in garbage
Overnight burnout
Reheat to 900 degrees F to cast
Wind the centrifuge 3 turns
Put metal into crucible
Put flux on metal and start heating
Get your hot flask
from kiln and set into
the cradle
Heat metal until liquid
(Your job)
Get it hot
Let it spin(My job)
Check for a full sprue
When not red quench in water
Pull metal from flask
Find the sand blaster
Don’t forget to turn on the air
Spray it off with sand
It should now be clean
Cut sprue off with the Jewelry
saw
File and Sand
Buff your piece
Your piece should almost be finished
Make last minute fixes and turn it in!!
Yeah, you have just completed your 1st
cast!!!!!!!!!!!!!!