DRILL GRINDING MACHINE - Micron, Ets
1,200,116. Grinding drills. MICRON ETABS. 20 Nov., 1967 [28 Nov., 1966], No. 52609/67. Heading B3D. A drill grinding machine comprises a grinding wheel 3, a drill holder 9 arranged on a frame 1 so that the drill can be moved opposite the grinding wheel, a support part 22 for engaging the end of the drill to prevent deformation and vibration of the drill during grinding, a