Cincinnati-Milacron/Heald 174 Adjustable Gap Internal Grinder 42" Swing, 20" Bore

The Cincinnati-Milacron/Heald model 174 plain internal grinder is an adjustable gap-type machine featuring a substantial 42-inch swing inside the coolant splash guard. This grinder is equipped with a 4500 RPM Heald "Red Head" grinding wheel spindle, powered by a 7.5 HP motor, and a 5 HP workhead chuck motor. It can achieve a maximum grinding bore of 20 inches with a table stroke up to 22 inches. The grinding stroke is adjustable, ranging from a minimum of 5/8 inch to a maximum of 13 inches. The workhead offers spindle speeds from 41 to 123 RPM, with a 1.68-inch diameter hole through the spindle. Grinding table speeds are infinitely variable from 0 to 18 FPM. Features include a 42-inch face plate, a table-mounted grinding wheel dresser, and an automatic lubrication system. The machine requires floor space of 139″ W x 82″ D and has an approximate weight of 17000 lbs.