Model No. 6-10 BARBER COLMAN "MultiCycle"
Horizontal Gear Hobber,
New 1964, Serial No. 4948, Model 6-10 "Multicycle"

Suitable for the hobbing of straight spur and helical
gears, pinions, splines and other workpieces of
similar profile up to 6" (152.4mm) diameter and
10" (254mm) face-wdith

EQUIPPED WITH:
Standard swivel hob-head w/anti-friction bearings
and auto-hob-shift feature
Fully automatic cycles with power down-feed
Manual hob-shifting
Power rapid traverse feature
Pneumatic chucking work-spindle
Hob reversing drum switch
Triple-thread index worm and gear set for work-head
with anti-friction bearing work spindle
Dwell timer for blind cuts
Hardened & ground bedways
Tailstock with lever-operated adjustable flat-center
bracket
Automatic power forced lubrication
Assorted change gears for speed, index, and feed
One (1) hob arbor
Full complement of electrics, (motors/controls)
For 230/260 volt, 3-phase, 60 hz operation
Self contained coolant system

SPECIFICATIONS:
Maximum diameter work-piece............ 6" (152.4mm)
Maximum diametral pitch (module)....... 16 DP (1.6 module)
Maximum hob diameter................... 2.06" (52.39mm)
Maximum length of hob.................. 3"(76mm)
Maximum hob swivel range............... /- 45-degrees
Maximum hob-shift travel............... 1.5" (38.1mm)
Max. distance work-spindle face to
tailstock center....................... 15.75" (400.05mm)
Max. distance work-spindle face to centerline
of hob-spindle......................... 12.75"(323.85mm)
Min. distance work-spindle face to centerline
of hob-spindle......................... 2.25" (57.15mm)
Max. distance centerline of work-spindle to
centerline of hob-spindle.............. 3.375" (85.725mm)
Min. distance centerline of work-spindle to
centerline of hob-spindle.............. 0.25" (6.35mm)
Maximum Hob Slide Travel............... 10.5" (266.7mm)
Hob Speeds, Range...................... 133 to 533 rpm
Feeds, Range, Inch Per Revolution...... .015 to .150 IPR
Work-spindle overall diameter.......... 3.625" (92.075mm)
Counter-bore diameter.................. 1.75/1.7515"
Counter-bore diameter.................. (44.45/44.4882mm)
Bore diameter for shafts
12" (304.8mm) length................... 1.5" (38.1mm)
Bolt circle diameter................... 3" (76mm)
Index worm gear pitch diameter......... 5.7" (144.7mm)
Max./Min. number of teeth cut.......... 300 to 4 teeth
Main drive motor....................... 2 HP 1200 rpm
Coolant pump moto...................... .25 HP3600 rpm
Lubrication pump motor................. 1/20 HP 1800 rpm
Machine overall length................. 64.5" (1638mm)
Machine overall width.................. 20.07" (510mm)
Machine overall height................. 57" (1447mm)
Machine overall weight, approx......... 2,230 Lbs(1,052 kG)