Barber Colman Bourne & Koch 4

Manufacturer Barber Colman
Model Bourne & Koch 4
Year 1995
Country USA USA
Condition Good
Main category Metalworking Machinery
Subcategory Gear Manufacturing
ID P81017017

Model 6-16, Series C-1 Machine
Suitable For The Hobbing Of Straight Spur &
Helical Gears, Pinions, Splines, And
Other Workpieces Of Similar Profile Up To 6"
(152.4Mm) Diameter, 16.5" (419Mm) Face-Width
Serial #54383267995 (Rebuilt With Retrofit 1995)

In 1995, The Machine Has Been Re-Manufactured And
Retrofitted With Cnc Controls With Gear Cutting
Software By The Bourn & Koch Machine Tool Company.
The Machine Provides Fully Automatic Cycles And
Operates Without Change Gears For Index,
Or Speed And Feed, Etc.

Equipped With:
Series "C-1" Machine Platform With Extended Bed,

Over-Arm, And 16.5" (419Mm) Axial-Slide Travel,

With Hardened And Ground Bed-Ways
Standard Swivel Hob-Head W/Anti-Friction Bearings

And Hob Servo Motor Along With Automatic

Hob-Shifting
Fully Automatic Hobbing Cycles Via Num 1062H "Cnc"

Control W/Pendant Arm And Crt With Gear Hobbing

Software, Servo Motors And Koll Morgan Drive

Package For The Following Axes: Hob Spindle Rpm

(B-Axis), Work Spindle Rotation & Index (C-Axis),

Radial Feed (X-Axis), Axial Feed (Z-Axis)
Cnc Control Software Features Operator Conversational

Dialogue With Selection And Input Of The Following

Cycles And Data: Axial Hobbing With One Or Two-Cut

Cycle, With/Without Shifting, With/Without Radial

Approach, Climb Or Conventional Hobbing, Change Of

Hob Rpm, Feeds, Feed Direction And Approach For

Second Cut, Dwell Cycle For Radial Hobbing (Plunge

Feed For Worm-Gears)Axial Hobbing, Crowning And

Taper Hobbing, Skip-Feed, And Various Other

Combinations.
Triple-Thread Index Worm And Gear Set For Work-Head

With Anti-Friction Bearing Work-Spindle
Collet Chucking Assembly For Work-Spindle
Automatic Load/Un-Load Assembly With Part Locator
Tailstock With Lever-Operated Adjustable Flat-Center

Bracket
Automatic Power Forced Lubrication To All

Working Elements
One (1) Hob Arbor
Full Complement Of Electrics, (Motors/Controls/

Switch-Gear Cabinet)

(Arranged For 460 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

3"
(76Mm)
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

21.75"
(552.45Mm)
Distance Work-Spindle Face To

Centerline Of Hob-Spindle, Max.

18.75"
(476.25Mm)

Centerline Of Hob-Spindle, Min.

2.25"
(57.15Mm)
Distance Centerline Of Work-Spindle To

Centerline Of Hob-Spindle, Max.

3.375"
(85.725Mm)

Centerline Of Hob-Spindle, Min.

0.25"
(6.35Mm)
Maximum Hob Slide Travel

16.5"
(419Mm)
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 Motor

.25 Hp
3600 Rpm
Lubrication Pump Motor

1/20 H
1800 Rpm
Machine Overall Length

71.5"
(1803Mm)
Machine Overall Width

20.07"
(510Mm)
Machine Overall Height

70"
(1778Mm)
Machine Overall Weight (Approx.)

2,750Lbs(1,250 Kg)

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