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How to Cast Jewelry
Jewelry Casting is a method that is used by jewelry designers and makers to cast and mold their desired piece of jewelry. It is one of the most common methods of creating accessories. The process is relatively simple and economical. Typically, a designer will submit their design, and a jeweler will work with the materials to create the final product.
When designing jewelry, the designer should be sure to consider the costs involved with making the casting. This includes the cost of the mold, labor, and metal markup. Also, the designer should discuss any additional costs with the caster. As the cost of metal changes daily, a caster will need to keep up with the market.
A jewelry casting process begins with the creation of a wax model. Once a model has been created, it is placed on a sprue and secured to the base of the casting flask. The sprue serves as a channel for molten metal to enter the mold. For larger pieces, a number of sprues may be used to create a unified mold. Each sprue is attached to the bottom of the flask, and it is necessary to ensure that the sprues are placed at the same location on the base of the casting flask.
After the plaster has hardened, a sculptor should fill the flask with the melted metal of choice. The flask should then be placed in an oven for curing. While the plaster is curing, the wax that has accumulated in the flask will melt away.
Next, the jeweler should create a hardened plaster mold of the desired wax model. Once the plaster has cured, the model will be able to be placed in an oven. In this way, the wax model will be able to be removed without losing its integrity. However, the wax model will also be able to be set up again in order to recreate the piece.
The casting process is a quick and inexpensive method of creating jewelry. Depending on the type of metal that is used, the melting point will vary. Metals such as platinum, silver, and 24K gold will melt at a lower temperature than 18K gold. Because of this, it is easier to work with when casting.
Before starting the casting process, it is important to have a discussion with the caster about any costs associated with creating the molds. There are various types of waxes that can be used. These waxes differ in softness, so experimenting with different waxes will help the caster achieve the finished look they want.
Using this technique is recommended to improve the shine of the final product. A buffing wheel can be used to remove imperfections and flaws from the finished product. Jewelry Lukas is also a good option to give the finished piece a glossy, smooth finish. Various rotary tools with different grits are used to achieve this.
Finally, the finished castings can be polished to bring out their bright shine. Alternatively, a tumble finish can be applied. Tumble finishing is similar to the process used to make sea glass.

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