FIELD: technological processes.
SUBSTANCE: grinding tool is used, with the grinding body having the rounded working surface and the opening made concentrically to its rotation axis, which ends on the working surface. The grinding tool is mounted on a glass plate in the point located apart from the processed area ends, and is moved to one end of the plate, and then in the opposite direction relative to the glass plate to the other end thereof.
EFFECT: improved quality of processed surface.
6 cl, 4 dwg
