How to sharpen a lathe slotting cutter, 2 millimeters wide, one and a half deep, two kinds of external and internal rounds, teacher's detailed instructions? I grind always bad use

1V word line consider the strength V angle size do change! ~

2 rolled crumbs big roll! ~Slot grinding bigger! ~

3 in the two corners of the grinding R

Two millimeters roughing do not grind to the size of a knife and then car the rest of the residual, fine turning tool do not grind to the size of a small point of this side into a good and then into the other side of the finish will not be pulled hair Relatively large groove