The jade carving process in jade knowledge is more complicated. Let me introduce a few steps before the jade knowledge of engraving.
The first step is to cut. Different jade pendants have different cutting processes. For jade ornaments, it is necessary to cut into rough blanks according to the requirements of the design drawings. For jade small pieces, it is necessary to cut them into different sizes according to the purpose and specifications, and then select the pieces that do not meet the specifications or cannot be used, and change their processing purposes, so that no waste is achieved, and The effect of the object.
The second step, hehe. With a diamond grinding wheel, it is necessary to pay attention to the selection of coarse sand, remove the unused areas, and then divide into coarse blanks.
The third step, hehe. Still use a diamond wheel, but choose medium sand. Further, the unused portion of the entire surface and the convex and concave portions are knocked off by the grinding wheel.
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