1, material selection, good parts without cracks, preferably with seeds or colors.

2, cutting, cut off the cracked or bad place, cut the big and bad into small pieces.

3, bead absorption, put the cut piece on the workbench with a straw, or you can suck colored or good water, all kinds of specifications.

4, chamfering, beads are barrel-shaped, you need to chamfer on the chamfering machine to make the barrel round.

5, rough grinding, after the edge grinding is completed, almost all the edges and corners are ground off, becoming an approximate circle, and then changing the rough grinding disc.

6, fine grinding, fine grinding after rough grinding, circular forming, that is, surface fine grinding.

7, punching, fine grinding is punching, good beads are hand-selected parts to play, requiring high quality, a large number of or ordinary beads are ultrasonic, high efficiency.

8. Polishing: After polishing holes, a vibration polishing machine is generally used.