The production process of gold jewellery includes traditional Chinese production processes, such as filament processing, blue burning process, silk flowering process, point greening process, abortion process, beveling process, flat filling process, etc., as well as modern mechanical processing processes such as casting. Process, press process, electroforming process, and the like.
First, the flower process
The filament process is the process of processing gold into silk, and then making gold jewellery by means of twisting, twisting, filling, and stacking. According to different decorative parts, filaments, arches, slubs, and silks can be made into different patterns. The production methods can be divided into sputum, filling, smashing, welding, stacking, weaving, weaving, knitting and so on.
1. The silk is made into a groove made of filigree, and it is made into various patterns such as plum blossom, peony flower, flying bird, dragon and phoenix, pavilion and pavilion.
2. Filling the wire is to fill the design outline with the flattened filament. Commonly used types include arched silk and filled petals.
3. Weld welding is a process in which the finished pattern is put together and the complete jewelry is formed by welding.
4. The stacking is to use a pile of charcoal method to round the filament on the charcoal shape, and to make various shapes, and to sieve the powder with a small sieve to weld the ground.
5. Weaving is the method of weaving the edge pattern of gold silk weave and the bottom pattern of different shapes, and then sticking it on the shading to make different flower patterns by various process methods, which are completed by welding.
Second, the flowering process
In the stenciling process, tweezers of various shapes in steel are usually used, and the steel shovel pattern is hammered by a small hammer on the surface of the block-shaped golden ground after the overheating. The enamel process uses enamel, grab and other methods to engrave the pattern, which results in a pattern that is deep and shallow, and is artistically appealing.
Third, the burning process
The blue burning process is also called the blue process, similar to the point green process, which is the cloisonne process. The blue burning process is not an independent work, but is used as a jewellery-assisted work to embellish, decorate, and add color beauty to the jewelry industry.
Fourth, the mosaic process
The inlaying process, also known as the inlaying process, is mainly based on hammer sawing, pliers, boring and cutting. It is a piece of gold that is hammered and forged, sawed into a partial pattern, and polished to a whole process. The processing steps are as follows:
1. Making parts: Through the sawing method, the flower arrangement method, the scrolling method, the boring method, etc., the gold raw materials that have been over-fired many times are made into parts with certain patterns.
2, welding: the various parts of the production will be assembled in accordance with the design requirements of the drawings, and welded together to form the main body of the jewelry.
3. Appraisal quality: The main body of the jewellery is made of quality inspection by the inspectors. After the color is analyzed, the mark is printed and the quality identification label is attached.
4. Polishing, making the main body of the jewelry by polishing with an agate knife, pickling, polishing machine, etc.
5, set inlaid gemstone: the gemstone is fixed on the main body of the jewelry, the common method of inlaying is claw setting, groove setting, bag setting and so on.
6. Re-polishing: Polish the inlaid jewelry again.
7. Gold plating: In order to make the jewelry more brilliant and colorful, the jewelry is coated with a layer of pure gold or K gold.
Fifth, the casting process
The casting process is a method of mass production of jewelry by a casting machine. The method has the advantages of improving work efficiency and reducing cost. The processing steps are as follows: a rubber mold is prepared according to the jewelry design sample, a wax mold is formed by wax injection with a rubber mold, the wax mold is planted into a wax tree, and a wax tree tube is injected into the gypsum to form a plaster mold, and the plaster mold is prepared. It is placed in an oven to be dried, and heated to a gypsum mold for dewaxing. The molten metal is poured into a plaster mold, cleaned to remove gypsum, and then polished, inlaid, and the like.
Sixth, stamping process
The stamping process refers to the process of completely cutting the metal with a machine and honing and polishing the main body.
Seven, electroforming process
The electroforming process is a modern technology and its principle is the same as electroplating. In the casting liquid, the female mold is a casting, and after the surface activation treatment, there is a conductive layer, and the current is turned on. Electrophoresis in the electric field causes the gold to be gradually deposited on the casting of the female mold, and can be taken out after reaching a certain thickness. Then sanding and welding, surface treatment, it becomes a beautiful electroforming jewelry.
Eight, surface treatment process
In addition to traditional polishing and electroplating, modern surface treatment processes add matte, noisy, sandblasting, etc. After this process, the surface of the jewelry is brighter and more harmonious.
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