BARBER COLMAN 16-56 WDOWNFEED
Barber-Colman Model 16-56 Horizontal Gear hobbing machine, 16" Diameter, 56" cut length, Downfeed, tailstock and steady rest for long shafts, excellent condition. Inspect under power in NC.
Barber Colman Horizontal Hobbing machine Model 16-56, S/N 2955 This machine was designed for the cutting of large shafts in the Horizontal position. Very similar in design and mfg to the smaller 16-16 & 16-36 models. Usually all tooling should be interchangeable. Machine Specifications are as follows * Max work diameter......................................................16" * Max DP in steel......................................................6 DP * Max hob length..........................................................5" * Max hob diameter........................................................5" * Max travel of hob carriage.............................................56" * Max swivel angle setting................................45° Left or Right * Max distance work spindle face to tailstock center...................... " * Max hob speed................................................75 - 425 rpm * Max hob shift travel..................................................3.5" * Index worm gear diameter.............................................12.7" * Number of teeth...................................................5 - 300 WORK SPINDLE: * Overall diameter....................................................7.125" * Bore diameter......................................................4.1875" * Bolt circle diameter.................................................6.25" * Bolt circle tapped holes........................................½" 13 UNC MOTORS: * Main drive motor...................................................7.5 HP * Hydraulic pump.......................................................1 HP * Lubrication motor.................................................1/20 HP * Rapid traverse motor.................................................2 HP * Coolant pump motor...................................................½ HP * Overall size...............................................89" x 76" x 84" * Net weight......................................................7,600 lbs STANDARD EQUIPMENT: * Rapid traverse * Double Thread Index Worm * Manual hob shift * Hob Arbor 1-1/4" * Misc index gears change gears * Steady rest for large shafts * Downfeed option * Operator manual * Electrics 220/440 volts, 3 phase, 60 cycles. Machine can be inspected under power in excellent operating condition. The machine has just been removed from running service in customers shop and is now located in our Statesville warehouse.