A top-grade jadeite that can be used for collection can only be obtained by cutting tens of thousands or even millions of tons of jadeite raw stones. Jadeite bracelets are beautiful, but do you know how these valuable jadeite bracelets are made? 1. Observation by polishing the stone When the jadeite raw stone is mined, it is covered with a layer of differentiated skin, and it is impossible to know the quality of the inside. We can observe it under a light and more accurately judge the depth, width and concentration of the green inside, so as to find the real green. ⒉Interpretation of raw materials
After polishing the stone, you must determine the type of finished product and the selling points of the product, so as to decide the direction of the next step of cutting. This is the most important part of all the processes and determines success or failure. If you lack experience and skills and cut in the wrong direction, it will lead to waste of resources. This is what distinguishes an expert from an ordinary processor. ⒊Measure and draw the bracelet ring When making a bracelet from the cut jade piece, you need to fully observe the material properties of the jade, try your best to avoid defects and cracks that may affect the safety of the jade, and try to ensure that the colored or floating patterns remain on the bracelet, and the better the distribution and color, the higher the price. 4. Absorb the ectoembryo After drawing the bracelet ring, fix the jade plate on a special diamond drill lathe, match the diamond drill bit of the same size according to the size of the bracelet's outer ring, and then use downward pressure to drill out the entire bracelet. ⒌ Sucking the endodermis Adjust the size of the drill bit according to the size of the inner ring of the bracelet, fix the outer embryo that has been sucked out, press down the drill suction, and drill out the inner ring of jade. 6. Hit the top and side The size of the bracelet rough piece is determined and all defects and cracks are removed. Remove the sharp edges and corners of the bracelet, grind it until it is smooth, and make the inner and outer surfaces of the bracelet rough blank have appropriate curvature. ⒎Punching embryos According to the needs, round bracelets and flat bracelets are used to figure out the prototype of the outer surface of the bracelet. The traditional manual blanking method is suitable for high-end bracelets, while the blanking machines on the market are suitable for mid- and low-end bracelets. ⒏ Polishing Including wood nests and dew, the inside and outside of the rough bracelet blank will be completely shaped after the blank is punched. ⒐Polishing The finished bracelet should be sanded and polished from the outside to the inside, back and forth several times, until it reaches the desired brightness. ⒑Waxing Waxing is also called overwaxing. It is a process of heating the jade to melt the paraffin wax on the surface of jade. It can not only improve the gloss and transparency of jade, but also provide good protection for jade. After blowing the jade dry, use a soft towel to wipe off the remaining wax on the surface of the jade, which is also the final inspection and maintenance of the jade. fcgc66 fcpf18 |
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