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Aluminum Casting with the Coal Forge
A non-traditional technique using largely traditional equipment.

We'll be exploring the aluminum casting technique known as 'The Foam Vaporization Method' or 'Lost Foam'.

A model is made of styrofoam, buried in loose dry sand, and poured with molten aluminum. We'll be using our coal forges and mostly scrounged materials to cast at least one small item per student.

This technique is less precise than 3D printing, but much much faster. We'll talk about how to do it "on-the-cheap".

You should make a model or two to try casting during class:

Make it out of styrofoam. Either the chunky bead foam or the 'solid' stuff; the blue and pink insulation foams work well, so do foam meat trays and restaurant take-home containers. Styrofoam cups work. You can use rubber cement, double-face tape, even cellophane tape and masking tape to hold parts together. Keep in mind that the final casting will be a tiny bit smaller than the model you make

For the purpose of the class I would recommend that your model be no larger than 2" in any direction, and definitely less than 8 cubic inches in volume, whatever the dimensions.

Until you have some idea what you're doing with this technique (which is what this class is for) I wouldn't recommend investing _lots_ of time in a highly detailed model unless, of course, you're doing it as a test.

It is fairly easy to get fine detail on one side, maybe two of your model, the opposite sides, not so much. On the good side, the indentations left by writing with a ballpoint pen will be preserved in the metal.

3 hours, one meeting    dates&times

Instructor: Carl West
8 students maximum

Gift Certificates for Aluminum Casting with the Coal Forge are available.

Please wear proper clothing for visiting or working in the forge: closed toe shoes (preferably leather, preferably high-topped. Sneakers are sufficient.), natural fiber clothing, long pants that cover the tops of the shoes. Click here for more safety information.

Dates and Times:

June 23 (2018)
Saturday 7:00pm - 10:00pm

To begin the registration process with PHF,

If you have a PHF Gift Certificate: this would be a good class to choose.

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