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The direct molding method is to make the wax material into the same wax mold as the casting by hand or other tools; the indirect molding method is to make the wax mold through the mold. The direct molding method requires craftsmen to have a high technical level, otherwise the quality of castings cannot be guaranteed.
Kalevala jewelry is manufactured in the company's factory in Konala. [4] The manufacturing method is a combination of craftsmanship and modern techniques. [18] [4] It starts with the 3D modeling of a wax mold, though some of the wax molds are still made by hand. [2] The wax molds are collected into a mold tree that is immersed in plaster.
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]
Molten metal before casting Casting iron in a sand mold. 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.
Produce wax patterns: Although called wax patterns, pattern materials may also include plastic and frozen mercury. [6] Wax patterns can be produced in one of two ways. In one process, the wax is poured into the mould and swished around until an even coating, usually about 3 mm (0.12 in) thick, covers the inner surface of the mould.
A wax sculpture is a depiction made using a waxy substance. Often these are effigies, usually of a notable individual, but there are also death masks and scenes with many figures, mostly in relief. The properties of beeswax make it an excellent medium for preparing figures and models, either by modeling or by casting in molds. It can easily be ...
As with metal casting and stereotyping, a mold is first formed from the model. Since electrotyping involves wet chemical processes and is done near room temperature, the molding material can be soft. Materials such as wax, gutta-percha (natural latex), and ultimately ozokerite were used. The mold's surface is made electrically conducting by ...
The opposite of draft is an undercut where there is part of the pattern under the mold material, making it impossible to remove the pattern without damaging the mold. The pattern is made of wax, wood, plastic, or metal. The molds are constructed by several different processes dependent upon the type of foundry, metal to be poured, quantity of ...
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