HEY NO. 3 6″ X 51″ FACING & CENTERING MACHINE Maximum diameter of work: 6.25” Minimum diameter of work: .25” Maximum workpiece length: 51” Minimum length of work: 3” Maximum swing over bed: 21” Spindle speeds: 18 to 980 RPM in 18 steps Length of fine adjustment to cutter: 2” Feed rates in thousandths of an inch per rev. of spindle: (8) steps 0.001 to 0.017 IPR Rapid traverse rate: 250”/min. Spindle drives: 7.5 HP each Electrics: 3/50/415 volt