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A jewelry model is a master design that is copied to make many similar pieces of jewelrey. The model may either be a piece of actual finished jewelrey or a low-cost blank fashioned from base metal. In either case, the model is used to create the casting mold from which all subsequent pieces are made. Prefabricated models are available from a ...
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.
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.
Mold cavity: The combined open area of the molding material and core, where the metal is poured to produce the casting. Riser: An extra void in the mold that fills with molten material to compensate for shrinkage during solidification. Gating system: The network of connected channels that deliver the molten material to the mold cavities.
Wax patterns are used in an alternative casting process called investment casting. A combination of paraffin wax, bees wax and carnauba wax is used for this purpose. In this case the wax "pattern" is melted out from the mould cavity which is normally a rigid plaster like material rather than sand, so the wax "pattern" can only be used once. [5]
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]