Without any doubts, in jewelry the diamond facet is considered the standard. The fact is that this type of facet helps to give to stone luster and the greatest shine. At the same time it is perfectly observed not only proportions, form, but also quantity of edges.
It is required to you
- Rapidograf, cement, splinter of other diamond, knife, diamond cutter, mastic, water, machines
Instruction
1. Perform preliminary examination. You need to be defined and choose the most optimum way of its processing, and it is necessary to consider all unevenness and defects.
2. Mark stone. It needs to be done so that the most gustookrashenny was the bottom side of stone. Plan lines of splitting or sawing, using rapidograf. In advance think over as it is better to remove defects of stone during facet.
3. Separate stone into parts. For this purpose you need to saw it or to split. For this purpose fix diamond on frame by special cement. Cause line (risk) on crystal edge with other diamond or splinter. After that insert special knife in risk and break away part of diamond.
4. To give to stone the forms, carry out roughing. It is necessary to make it manually. The diamond cutter which is fixed in the holder is used for this purpose. Diamond needs to give the necessary form, and smooth sharp edges and edges. For roughing you can use still special machines on which circles with diamond sputtering are established. The stone has to rotate with speed not below 100 and not higher than 700 RPM. At this time pick up the speed of diamond disk independently, considering preparation speed. Using mastic, paste stone to mandrel face. In turn, insert it into the special device on the machine. During processing use water for cooling.
5. Further you need to make stone facet. Since the beginning grind. The main task is to remove the bulk of stone and to apply edges of certain form on its surface. For grinding use special machines which are equipped with ogranochny disk.
6. After production separate stone from the holder, and carefully wash out in ultrasonic bathtub.