Rotatable face milling cutter made of superhard material

The invention discloses a milling cutter with a rotatable face for cutting supper-hard material. A plurality of mounting grooves are arranged at the outer wall of the peripheral of cutter body, and one side of each mounting groove is fixed with a module using fastening screws, and the other side is provided with a wedge block, the bottom of which is connected with the cutter body through a threaded pillar; the module is provided with a step, and a blade is positioned at the step; two contacting surfaces of the wedge block and the cutter body and the blade are all inclined or one of the surfaces is inclined; the wedge block is closely pressed against the blade. Aimming at solving the problem that the existing milling cutter for cutting supper-hard material has unstable structure and is unable to process super-hard material with higher hardness, the invention provides the milling cutter with a rotatable face, which has a stable structure and higher processing hardness and intensity. The milling cutter of the invention has outstanding technical effect, for on one hand, installation stability of blade is improved, and on the other hand, processing hardness and intensity of the cutter are enhanced.