Mainly used at the edge of the knife thickness (see Figure 1, 2)
Specific matching materials: sand wax, purple wax, denim wheel, ore 100#, 150#, 240#, sizing pure hemp wheel, grinding wheel (method: use gum rubber to dip ore on the denim wheel-high cutting force).
Process:
The first course: use 100# grinding wheel + sand wax;
Second way: use 150# grinding wheel + sand wax;
The third way: use 240# grinding wheel + sand wax
The fourth way: pure hemp wheel + purple wax:
Machines: 4 (shared machines with spoons and forks)