Barber Colman model 16-56 Horizontal Gear hobber, 16″ Diameter x 56″ cut length, 6 DP, Equipped with differential Machanism, Single Thread, Hob arbor, Excellent condition, Inspect under power in NC

Category: GEAR HOBBERS, HORIZONTAL – See Also H4500 Reference Number: 4122 Description:

BARBER COLMAN Horizontal Gear hobbing Machine
Model# 16-56
S/N 2857
Machine Equipped with Differential Mechanism

This Barber Colman model 16-56 is an excellent machine to hob splines on long shafts in the Horizontal position. It is equipped with the optional Differential mechanism allowing you to cut helical gears as well by allowing you to have the hob and work piece stay in mesh when needing to check size and go back in for a second cut or finsih cut.

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 Distance between centers 66″
* 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

Machine is equipped with the following:
* Differential Mechanism Option
* Rapid traverse
* A frame
* Single Thread Index Worm
* Manual hob shift
* Screw type center with live center
* 1 set up of index gears change gears
* Hob Arbor
* Push button controls
* 8″ 3-jaw Precision chuck
* Operator manual
* Electrics 220/440 volts, 3 phase, 60 cycles.


Machine can be inspected in our NC facility under power with proper notice.
For any questions contact Rich Piselli E-mail: rich@pisellient.com Phone: 704.609.0766