Industrial Purpose Flange Miller consists of a central post, on which a rotary drive unit is located. The Flange Miller has cross axis arm and counter balancing arm, located on the sides of the rotary housing. The Flange Miller is featured with common VFD controlled cross feed traverse and vertical feed traverse. Industrial Purpose Flange Miller adopts Cross traverse mechanism in the arm to position the milling head to the varying diameters of the flanges.