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Four Methods On Doing Lost Wax Casting Jewelry

By Stephen West


A process at which the duplicate metal sculptures are casted from original sculptures is referred to as lost wax casting. Brass, silver, bronze, and gold are the most common examples of materials which are widely used. The achievement of the intricate works will be highly dependent on a sculptors skills and also by applying this method. These days, there are already a lot of different foundries the process has. The steps are having fair standards, especially bronze sculptures.

Jewelry casting is the process in making pieces of jewelry involving a liquid metal alloy being poured out into molding. This technique was being used even in history, but still is used widely used until now by most home crafters and craftsmen in making original pieces of jewelry. So if ever you are interested on making your own product, follow these simple methods for lost wax casting jewelry.

Craft the molding. Carve the hard modeling wax piece according to the desired shape. It is recommended to start on creating a simple one since complex ones may be a bit harder if your are a beginner. In making the model, you make use of either a Dremel, precision knife, or some other tool. Attach either 3 or 4 sprues to provide a channel for waxes when melting it out.

Attach the molding to the base of sprue. This can be done by using an amount of melted rubber. The process will be allowing the top of wax to be melted at the bottom of base. And after, leave it for some amount of time. A flask will then be placed on the top of a sprue base. When doing this, make sure to leave a distance of about a quarter inch between the model and flask wall.

Invest your molding. Secure the stand of wax model into the casting flasks bottom using a melted wax. Make sure that the model will be popped up into the flask. In this method, the product is now ready for casting. Mix all dry ingredients with water. Based on the instructions provided in your chosen mold investment, follow them carefully.

Placing the investment of mold inside the vacuum chamber so that air bubbles will be removed. But if you cannot acquire the vacuum sealer, just leave the mixture for several minutes, typically between 10 to 20. If there are some air bubbles, there may possible some holes on your final product. And after drying the mold, put the flask on the kiln with 600 degrees Celsius. Remove it after and check for any obstructions on the molds bottom part.

Casting your jewelry. The metal you have chosen is then placed into pouring crucible then is melted in a foundry. Both time and temperature are dependent on the metals being used. After pouring the metal into molding, cast it by the use of centrifugal machine. Centrifugal machines are used very commonly by those professional makers.

Allow first the metal for cooling for about 5 to 10 minutes and dunk it into a cold water slowly. The time will also depend upon the metal being melted. Gently tap your mold using a hammer so that the excess plaster will be broken.

Finish the jewelry. Make use of the angle grinder when cutting the lines from sprues. But it would be recommended that the hand held grinder will be used since it is more strong. During the process of firing, a metal may possibly be left dirty and dingy. So make use of specific washers for metals. Also use enamel clothes, files, polishes, etc. When cleaning.




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