F10-F22 Roughing operations with large depth of cut, cleaning of workpieces, castings. Processing materials that cause clogging of the wheel surface (brass, copper, aluminum).
F22-F36 Cutting off, flat grinding with the end of a wheel, sharpening cutters, dressing abrasive tools.
F30-F60 Preliminary and combined grinding, sharpening of cutting tools.
F40-F220 Surface grinding.
F54-F90 Finish grinding, processing of profile surfaces, sharpening of small tools, grinding of brittle materials.
F100-F180 Finishing grinding, finishing of hard alloys, finishing of cutting tools, steel workpieces, sharpening of thin blades, preliminary honing.
F180-F280 Finishing grinding of metals, glass, marble, etc., thread grinding, fine honing.
F230-F600 Superfinishing, final honing, finishing of thin blades, fine thread grinding of products, polishing.
