General processing flow of K gold jewelry
Gold import→ waxing mold→planting tree→filling powder stamping→powdering powder→ingredients→diening→roller polishing→diening→explosive gold→grinding machine polishing→car flower→edge→grinding→wax removal→cleaning→electricity Gold → inspection → finished product storage
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Introduction to the main production process
(1) Wax mold: According to the specifications of the styles that can be ordered by the household, the wax in the waxing machine is poured into the mold (mold) and injected into the wax pattern that meets the requirements. (equipment facilities: plastic mold)
(2) Planting trees: The wax mold is welded to a wax rod (commonly known as a tree pole). (equipment facilities: wax pole)
(3) Filling the impression: the welded wax mold tree and the steel cylinder are filled with gypsum powder (commonly known as powder injection), and the air bubbles in the powder are removed by a vacuum machine to prevent the cast gold jewelry. There are trachoma (small holes). (equipment facilities: steel cylinder, gypsum powder, vacuum machine)
(4) 锔 powder: put the powdered wax tree together with the steel cylinder into the electric furnace to heat and remove wax (high temperature volatilization) so that the powder temperature reaches the K gold mold temperature (about 680 ° C), it takes 8 hours. about. (equipment facilities: electric stove)
(5) Infusion of gold: The raw material of the gold and the mouth (an alloy material used for K gold jewelry) are mixed and mixed together to form a K gold material. If the imported K gold raw material can be directly smelted into processing The jewelry is suitable for single piece production.
(6) Reversing the mold: Put the K gold material into the vacuum suction mould or the centrifugal mold-cutting machine according to the weight required for each workpiece. After melting the liquid at a temperature of 1100 °C, the workpiece in the powder crucible is clamped. In the mold-returning machine, the K-gold liquid is injected into the workpiece of the powder using a mold-cutting machine, and the mold is turned into a desired K-gold idler. (equipment and facilities: vacuum suction molding machine, centrifugal molding machine)
(7) Drum polishing: The gold plate that has been inverted is polished by a roller machine to express a certain brightness. (equipment facilities: roller machine)
(8) Modeling: The empty gold plate that has been polished by the drum is trimmed according to the requirements, such as smashing, holding, hammering, and other processes. The deformation and surface roughness of the empty gold tray are trimmed to make it smooth and free of trachoma (small hole). (equipment and facilities: 锉, hammer)
(9) Polishing of gold and grinder: The corrosive substances on the surface of the empty gold tray are removed by the corrosive action of some chemical materials (potassium cyanide, etc.), and polished by a magnetic grinder. (equipment facilities: grinding machine, potassium cyanide)
(10) Car flower: A pattern flower carving on the surface of the product is carried out using a car flower machine equipped with a diamond car knife. (equipment facilities: diamond car knife, car flower machine)
(11) Edge: The edges and claws of the semi-finished stone have been trimmed for sanding.
(12) Grinding: The semi-finished products of the inlaid stone and the edge-finishing process will be thoroughly polished with a waxing machine (grinding wax or yellow, white cloth wheel, size brush, inner pile and other tools through a flying saucer and a sander). Equipment and facilities: polishing wax, yellow cloth wheel, white cloth wheel, size brush, inner pile, flying saucer, grinding machine)
(13) Dewaxing: Remove the residual polishing wax during the polishing process with dewaxed water. (equipment facilities: wax removal)
(14) Cleaning: Wash the jewelry with distilled water so that the jewelry has no residue (wax, acid, alkali, etc.). (equipment facilities: distilled water)
(15) Electric gold: The surface or part of the product is plated with gold water or gold salt of various colors to make the surface of the product brighter. (equipment facilities: gold water, gold salt)
(16) Testing: A quality inspector conducts a quality inspection of the jewelry.
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