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In metalworking and jewelry making, casting is a process in which a liquid metal is delivered into a mold (usually by a crucible) that contains a negative impression (i.e., a three-dimensional negative image) of the intended shape. The metal is poured into the mold through a hollow channel called a sprue. The metal and mold are then cooled, and ...
Synthetic diamond. Laboratory-grown ( LGD ), also called lab-grown diamond, [ 1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is created through geological processes and obtained by ...
The Verneuil method (or Verneuil process or Verneuil technique ), also called flame fusion, was the first commercially successful method of manufacturing synthetic gemstones, developed in the late 1883 [ 1] by the French chemist Auguste Verneuil. It is primarily used to produce the ruby, sapphire and padparadscha varieties of corundum, as well ...
Bench jeweler. A bench jeweler is an artisan who uses a combination of skills to make and repair jewelry. Some of the more common skills that a bench jeweler might employ include antique restoration, silversmithing, goldsmithing, stone setting, engraving, fabrication, wax carving, lost-wax casting, electroplating, forging, & polishing. [1] [2]
Lost-wax casting. Lost-wax casting – also called investment casting, precision casting, or cire perdue ( French: [siʁ pɛʁdy]; borrowed from French) [ 1] – is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture. Intricate works can be achieved by this method.
Jewellery design is the art or profession of designing and creating jewellery. It is one of civilization's earliest forms of decoration, dating back at least 7,000 years to the oldest-known human societies in Indus Valley Civilization, Mesopotamia and Egypt. The art has taken many forms throughout the centuries, from the simple beadwork of ...
Granulation is a jewellery manufacturing technique whereby a surface is covered in spherules or granules of precious metal. The technique is thought to have its origins in Sumer about 5,000 years ago. This technique then spread to southern Europe during the orientalizing period, also through the role of Phoenicians, who had founded colonies in ...
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. Casting materials are usually metals or various time ...
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