Casting...What exactly is it?

Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.


Delft clay being packed tightly into a 2-piece mold. This is done to ensure the clay will pick up the fine details of the piece being cast.

I then carefully separate the 2 mold halves and use talcum powder to finely dust the clay, so the 2 halves won't stick together.

Using a thin tool I create vent holes, so the hot gases can escape when the molten metal is pored into the mold.

Cast sterling silver Celtic knot

Casting sterling silver rings that were used in a necklace. Notice the inside of the ring where I made the vent holes has been filled with silver as the hot gases escaped.

If I hadn't made the vent holes then the trapped gases would have stopped the flow of the molten silver from creating the piece of jewellery.

Recycling an old gold ring by first melting it, pored it into a clay mold to form a gold ingot before passing it several times through my rolling mill to create the new gold strip on the steel block in the above photo, which will become a new gold ring design for a customer.

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