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

68" x 240" Farrel roll grinder, 180000 cap., 36" x6" grind whl, concave, convex, '79, #22906

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68" x 240" Farrel roll grinder, 180000 cap., 36" x6" grind whl, concave, convex, '79, #22906
Reference #22906

68" x 240" Farrel Roll Grinder
Year Of Mfg.: 1974
Type: Traveling Wheelhead
Model: Heavy Duty

Roll Diameter ......................... 60"
Distance Between Centers .............. 240"
Grinding Wheel Traverse Length ........ 264"
Max Dia. Roll w/ Full-Sized Wheel ..... 61"
Max Dia. Roll w/ Standard Neck Rests .. 40"
Work Swing Over Bed ................... 68"
Max Concavity of Roll ................. .125"
Max Crown of Roll ..................... .125"
Max Weight Capcity Between Centers .... 180,000 Lbs
Coolant Capacity ...................... 850 Gal.
Headstock:
Work Speeds (normal) .................. 7 - 28 RPM
Dia. of Center - Large End ............ 6"
Taper of Work Center (JANO) ........... .600 IPF on Dia.
Length of Headstock at Base ........... 120"
Faceplate Drive - Number of V-Belts ... 34
Faceplate Drive - Size of V-Belts ..... 8V
Footstock:
Dia. of Center (Large End) ............ 6"
Taper of Work Center (Jarno) .......... .600 IPF on Dia.
Diameter of Spindle ................... 10.25"
Length of Spindle ..................... 50"
Length of Footstock on Bed ............ 54"
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 ......... 63"
Handwheel Graduation .................. .0001"
Rapid Power Feed ...................... 28 IPM
Slow Power Feed ....................... 2 IPM
Carriage Speed ........................ 3 IPM - 120 IPM
Distance Between Carriage Ways ........ 48"
Width of Each Way ..................... 6.5"
Overall Length of Carriage on Ways .... 9'-10.5"
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

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