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GRINDERS, ROLL (Also See Grinders, Cylindrical, Plain)

68" x 240" Farrel, 61" diametergrindable w/full size whl, 90 ton btwn centers, 1979, S31192

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68" x 240" Farrel, 61" diametergrindable w/full size whl, 90 ton btwn centers, 1979, S31192


FARREL 68" X 240" ROLL GRINDER

Roll Diameter: 60"
Distance Between Centers Max.: 20'
Grinding Wheel Traverse Length: 22'
Capacity:
Maximum Diameter Roll Machine Will Grind with Full-Sized Wheel: 61"
Maximum Diameter Roll Neck Accommodated by Standard Neck Rests: 40"
Work Swing Over Bed: 68"
Maximum Concavity of Roll - Diameter: .125"
Maximum Crown of Roll - Diameter: .125"
Maximum Weight Machine Will Carry on Centers: 180,000 Lbs
Coolant Capacity: 850 Gal.
Headstock:
Work Speeds (normal): 7 - 28 RPM
Diameter of Center - Large End: 6"
Taper of Work Center: Jarno - .600" on Dia. per Foot
Length of Headstock at Base: 10'
Weight of Headstock (approx.): 64,000 Lbs
Faceplate Drive - Number of V-Belts: 34
Faceplate Drive - Size of V-Belts: 8V
Footstock:
Diameter of Center - Large End: 6"
Taper of Work Center: Jarno - .600" on Dia. per Foot
Diameter of Spindle: 10.25"
Length of Spindle: 4'2"
Length of Footstock on Bed 4'6"
Weight of Footstock (approx.): 11,000 Lbs
Grinding Wheel Head:
Grinding Wheel Diameter: 36"
Grinding Wheel Face - Standard: 4"
Grinding Wheel Face - Maximum: 6"
Wheel Spindle - Length: 5'6.75"
Wheel Spindle Bearings: 7.5" x 9-1/8"
Number of V-Belts - 7/8" x 17/32": 10
Spindle Speed: 450-1,200 RPM
Length of Bearing on Sub-base: 5'3"
Wheel Feed Screw: High Capacity Ball-nut and Screw
Handwheel Graduated to Reduce Work Roll: .0001"
Rapid Power Feed: 28 IPM
Slow Power Feed: 2 IPM
Weight of Wheelhead Including Sub-base but No Motor: 15,000 LBs
Grinding Wheel Carriage:
Carriage Speed: 3 IPM - 120 IPM
Hand-Operated Wheel Traverse for Shoulder Grinding: Yes
Distance Between Carriage Ways: 4'
Width of Each Way: 6.5"
Overall Length of Carriage on Ways: 9'-10.5"
Weight of Carriage Assembled Complete with Motor (approx.): 40,000 Lbs
Speeds and Feeds:
Grinding Wheel Motor: 60 HP, 650/1750 RPM
Grinding Wheel Speed: 384/1030 RPM
Headstock Motor: 30 HP, 300/1500 RPM
Roll Speed: 7/35 RPM
Carriage Traverse Motor: 5 HP, 60/500/2400 RPM
Carriage Traverse Rate: 3 IPM / 120 IPM

EQUIPPED WITH:

Upgraded in 1992 with GE Series 6
Additional Electrical Upgrades in 2002
Capable of Performing "In Chock" Roll Grinding


Serial Number:

Year (New 1979)


* Preliminary Specifications Subject to Verification

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