Lost Wax Casting. Select type of wax Mrs. Pearson will cut your wax to width.

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Presentation transcript:

Lost Wax Casting

Select type of 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

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

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

Get it hot

Let it spin

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 1 st cast!!!!!!!!!!!!!!