Used BARBER COLMAN 16-56 | GEAR HOBBERS

MACHINE SPECIFICATIONS:
* 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:
* Differential
* Rapid traverse
* C frame
* Double Thread Index Worm
* Manual hob shift
* Automatic lubrication
* 1 set up of index gears change gears
* Coolant tank
* Push button controls
* Operator manual and electrical prints
* Electrics 220/440 volts, 3 phase, 60 cycles.

**Machine To Be Mechanically Reconditioned
MECHANICAL: Work To Be Done With Order
* New lube meters, lines and pump/reservoir
* New belts
* New bevel gears if show to be worn or broken
* Remanufactured lead screw and acme nut
* Work spindle worm wheel inspected, readjusted and backlash adjusted
* Work and arbor spindles run out checked and adjusted to factory tolerance
* Tailstock center is adjusted and trammed for accuracy in the working range
* Bad/Worn bearings replaced
* Machine ways re-flaked to improve lubrication and decrease wear

ELECTRICAL:
* Main motor is both rewound and reconditioned
* Ancillary motors are rewound and reconditioned
* Motor starters and general wiring inspected, rehabbed or replaced
* New coolant pump/motor
* New push button for operator panel

OPTIONAL EQUIPMENT:
* New Main Motor w/Variable Speed Drive.............................$12,500 
* New Dwell Counter..................................................$1,150 
* New DRO for Radial Infeed..........................................$3,500
* New DIN Electrics Upgrade (Better).................................$2,500
* New NEMA Electrics Upgrade (BEST)..................................$5,500

* NEW Cutter Arbors.....................................................POR
* Change Gears..........................................................POR