The manufacturing method is as follows:
The first step is to open the material:
The second step is to draw a line again:
The third step is mechanical forming:
The fourth step is polishing
After grinding the inner and outer rings, the approximate shape of a bracelet comes out. At this time, you will find many scratches left by knife marks on the surface of the bracelet.
It is very important to cut the sandpaper into small pieces and grind it with 120 mesh first. Only by grinding off all traces of the file can there be no scratches after the finished product comes out, so don't worry, grind it for a while and use some force. Wait until you can't see the trace of the document, and then change an eye.
Sandpaper must be polished neatly. 120. 180.240.320.400.600.800. 1000. 1200. 1500.2000.2500.3000.5000。
Never jump your eyes. Finally, it can be done with beeswax.