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GEAR SHAPERS (Also See Gear Cutters)

Fellows #20-4, 4" face, 27" diameter, 9.05" bore, 4 DP, coolant system w/chip conveyor, 1976

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General Specifications

Manufacturer: Fellows
Model: 20-4
Stock #: gh204mx
Price: Request a Price

Dealer Information
Adams Machinery Co logo
Adams Machinery Co
6450 N Hamlin Ave
Lincolnwood, IL 60712

Contact: Sonneborn
Tel: 847-673-0556
Fax: 847-673-7636
Gold Level Dealer Since 1924

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Detailed Product Description

Fellows Model 20-4 Vertical Gear Shaper

S/N: 35211                  New: 1976

Suitable For The Cutting Of Internal And External Spur Gears, And Helical Gears (W/Proper Guides), Up To 20" (508mm). Maximum Pitch Diameter By 4"(102mm) Face Width.

Standard Straight Spur Guide. Two-Speed 10 HP P.I.V. Motor (900/1800 RPM). (For Stroking Speeds 50 To 200 And 100 To 400 SPM). Infinitely Variable Stroking Speeds. Variable Speed Drive Arrangement. 7.9" (200 Mm) Additional Height Riser, 20.46" From Top Of Table To Cutter Spindle. Hydraulic Servo-Controlled Infinite Depth Feed W/Rapid Traverse For Work Slide. Cutter Positioning For Stopping Cutter At Top Of Stroke. Dial For One, Two, And/Or 3-Cut Operation. Crowning Feature Via Back Off Cam. T-Slotted Work Sub-Table. Cutter Adaptor, Assortment Of Change Gears . Hydraulic Power Unit. Oil Mist Exhaust System. Self Contained Coolant System W/Chip Conveyor. Full Complement Of Electrics (Motors/Controls).

Maximum Pitch Diameter (External)      20" (508mm)
Maximum Pitch Diameter (Internal)      20" (508mm)
Maximum Diametral Pitch (Spur)      4 DP (6-Module)
Maximum Diametral Pitch (Helical)      5 DP (5-Module)
Maximum Face-Width      4" (102mm)
Maximum Helix Angle (W/Proper Guide)      45-Degrees
Maximum Diameter Of Part And/Or Fixture      27" (686mm)
Diameter Bore In Work Spindle      9.05" (230mm)
Depth Of Table Bore      18.19" (462mm)
Max. Dist. C/L Of Cutter Spindle To C/L Of Table      13.125"(333.38mm)
Max. Dist. C/L Of Cutter Spindle
To Rear Machine Column/Casting      8.15" (207mm)
Max. Dist. Work Spindle Surface
To Cutter Spindle Face Uppermost Pos.      20.46"(519.68mm)
Stroking Speeds (Two-Ranges)      50-300/100-600 SPMS
Machine Overall Length      126" (3200mm)
Machine Overall Width       64" (2768mm)
Machine Overall Height (Approx.)      124" (3145mm)
Machine Net Weight (Approx.)      17,500 Lbs.(7,955 Kg)