BARBER COLMAN #3 - Gear Hobber

Manufacturer

BARBER COLMAN

Category

Gear Machines

Type

GEAR HOBBERS, HORIZONTAL

Stock

25874

Model

#3

Dealer Location

Michigan

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Spec Sheet

Machine Specifications :

  • Year
  • Manufacturer BARBER COLMAN
  • Horz/Vert Horz
  • Maximum Workpiece Diameter 6.0"
  • Maximum Diametral Pitch 6.0
  • Module 3.2
  • Axial Travel 16.0"
  • Maximum Hob Diameter 3.0"
  • Hob Arbor Size 1.25"
  • Hob Speed 0 RPM
  • Table Diameter 16.0"
  • Table Hole Diameter 3.5"
  • Control Manufacturer Conventional
  • Horz/Vert Horz
  • Maximum Workpiece Diameter 6.0"
  • Maximum Diametral Pitch 12.0
  • Axial Travel 16.0"
  • Maximum Hob Diameter 2.0625"
  • Hob Speed 533 RPM
  • Work Spindle Diameter 0.90625"
  • Control Manufacturer Conventional
  • Maximum Workpiece Diameter 6.0"
  • Horz/Vert Horz
  • Maximum Diametral Pitch 6.0
  • Horz/Vert Horz
  • Maximum Workpiece Diameter 6.0"
  • Maximum Diametral Pitch 6.0
,

The Barber-Colman No. 3 is a legendary, horizontal gear hobbing machine. It is engineered to cut high-precision spur gears, helical gears, splines, pinions, and worm gears. It utilizes an indexing mechanism and a rotating hob cutter to continuously generate gear teeth.

    Specifications:

  • Capacity, Diameter: 5"
  • Capacity, Face: 7"
  • Capacity, Diametral Pitch, Cast Iron or Steel: 12
  • Centerline of Work Spindle to Underside of Overarm: 3"
  • Maximum Travel of Hob Slide: 11-9/16"
  • Maximum Distance from Centerline of Work Spindle to Centerline
  • of Hob Spindle: 3-7/8"
  • Maximum Hob Diameter: 2-1/16"
  • Diameter Hob Spindle: 3/4"
  • Hob Spindle Speeds (8): 533,453,388,309,230,183,157,133 RPM
  • Work Spindle, Taper in Nose: No. 9 B&S
  • Work Spindle, Hole Diameter: 29/32"
  • Feed, Maximum, Per Revolution of Work: .150"
  • Feed, Minimum, Per Revolution of Work: .015"
  • Motor, Power: 2 HP
  • Motor, Speed: 1200 RPM
  • Drive: V Belt
  • Floor Space, Required: 61" x 30"
  • Weight of Machine, Approximate: 2,000#

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