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Published : 02/20/2015 08:02:14
Categories : Things to know
|We found evidence of this process in Mesopotamia, Greece, Egypt, and in America pre-Columbian.
Today, the process is conceptually the same, even if the benefits of the technological level of our time.
The process is also known by the name of "micro melting".
The procedure consists in the realization of one original model which will then be replicated in multiple copies.
After preparing the "prototype" in gold or other material, it builds a special rubber mold, reusable many times and in what will be pouring the melted wax.
Opening the mold, you can extract the wax copy of the original model.
The sequence will be repeated as many times as you want to replicate the objects
Each wax copy will be assembled on a support of central wax: the final image will look like a tree with many branches that end with the wax copy of the original model.
To facilitate the compaction and the degassing of the refractory, the cylinder is subjected vibration and depression in a specific vacuum bell.
After cooling, the metal cylinder may be opened to extract the mixture of refractory, intended to be broken.