As the saying goes, jade cannot be made into a useful object without being carved. Jadeite is called the "king of jade" because of its high hardness, high specific gravity, rich colors mainly emerald green, jadeite and purple, and the fact that its raw materials (especially high-grade materials) are very rare and precious. Therefore, its processing procedures, processing materials, processing tools and processing equipment are different from those of other jades. The processing flow and procedures of jadeite are introduced as follows: 1. Material selection: This is an important starting point. Jadeite materials generally have skin. It is the only jade with skin in the world, so it is also called "gambling stone", which is something other jades do not have. Therefore, the key to material selection is the processing purpose; whether to make an ornament, a device, a bracelet, a pendant, a ring or a ring face, etc. The characteristics of the raw materials are closely related to the processing purpose. If the choice is not good, not only will the raw materials be wasted, but the processing will also result in a loss. 2. Cutting: It is also a key link. Some people are determined to "gamble on stones" and often cut with one knife. Not only may the jade be cut off (because good jade is often thinner), but it may also not be able to make an overall carved artwork, thus losing its original value. The normal procedure is to "skin" first. Look at the surface characteristics of the jade, such as the direction of the emerald color, the development and direction of the cracks, colors such as jadeite and purple, the distribution of black, analysis and estimation of the changes in the water quality inside and outside, and the appearance of the original stone. Secondly, it is determined based on the overall condition of the original stone and its possible processing purposes. Then, decide whether to make the carving using the entire raw material or cut it into pieces. 3. Jadeite processing process 1. When making small items: consider the purpose and yield rate. Such as round carvings and bracelets. 2. Make small carvings: such as jade pendants and waist plaques, etc., you need to consider what pattern to make, which not only utilizes the advantages of the raw materials but also meets the requirements of the carving pattern. Otherwise, waste products may be easily produced. 3. Making ornaments: The selection of the theme pattern is closely related to the characteristics of the raw materials and is a very critical and primary link. If you are designing a figure, the key is to see whether the original stone has impurities, or to choose a cleaner part for the figure's face. You also need to consider factors such as whether the original stone is large enough to be used in proportion to the figure. Perfect jade articles are all jade works of art that have been creatively designed and meticulously crafted. The principle of carving design is to maximize the value of the original stone based on its color, type, water, shape, cracks, black color, and jade quality. General carving patterns: figures, mountains, auspicious patterns, animals, and flowers have different requirements for raw materials. The main pattern of the carving and the matching supporting pattern are principled and proportional, rather than a simple accumulation of patterns. 4. Processing process: <1>, Cutting: 1. Small pieces: Cut into sizes of different uses and specifications in steps, and change the processing purpose of the pieces that cannot be used or do not meet the specifications to make full use of them. 2. Ornaments: Cut into rough pieces according to the design requirements. <2>. Chopping: Use a diamond grinding wheel (coarse sand) to further remove useless parts to form a rough blank. <3>. Chisel: Use a diamond (medium grit) grinding wheel to further remove the convex and concave parts and useless parts of the entire surface. <IV> Punching: Use a diamond grinding wheel or round stone to further punch the rough blank from the previous process into a rough blank. <5>. Grinding: Use grinding wheels of various specifications to grind out the patterns of round sculptures, such as fruits, rocks and tree roots. <Six>, Carving: 1. Rolling: Use a fine rolling wheel to carve out the shapes of patterns such as figures, animals, landscapes and flowers. Such as faces, animal bodies, roots, stems and leaves of trees and flowers. 2. Hook: Use a hook or various shapes of nails to hook out fine patterns, such as human hair, beard, phoenix hair, animal scales, animal hair and plant leaf patterns. The unnecessary marks and sand holes in the process are smoothed out, laying a good foundation for the next grinding and polishing process. China is an ancient country with a civilization history of 7,000 years, so jade processing also has a history of 7,000 years. Throughout the history of jade carving, our ancestors created very advanced jade carving tools and methods. We briefly introduce some of the most commonly used jade carving methods as follows: 1. Relief: refers to convex carving, which includes shallow relief and deep relief; there are also colorful carvings, such as: Fu Lu Shou Xi, etc. 2. Openwork carving: refers to openwork carving, which includes cross openwork carving, circular openwork carving, decorative openwork carving, etc. Such as: the lower limbs of animals and tree branches. 3. Finishing: Generally, large and powerful factories have this process, using special tools and materials to carve the front. 4. Hollow carving: It means hollowing out the jade without letting it penetrate. There are deep hollowing (such as vases, pen holders, etc.) and shallow hollowing (such as pen washers, ashtrays, etc.). 5. Line carving: refers to line carving and silk carving, such as: people's hair, animal hair and water waves, etc. 6. Intaglio carving: refers to a carving method for concave parts, such as Yin-Yang Bagua. 7. Round carving: refers to arc-shaped carvings, such as teapots, teacups and spherical jade pieces. Jade articles are made by using different materials and different techniques, through processes such as cutting, grinding and polishing. Jade has to go through a very complicated process before it can become the beautiful jade we see; finally, the finished product is put on the market from the jade processing site. fcgc66 fcpf18 |
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