FARREL 69 A 4895 Traveling-Head Roll Grinder – Year 1974

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Description

FARREL 69 A 4895 Traveling-Head Roll Grinder – Year 1974

Specifications:
Roll Diameter Ground on Center…………….50.0″ Max – 8.0″ min
Roll Diameter Ground Above Center……….63.0″
Distance Between Neck Rests ……………..400″
Maximum Roll Face Grinding……………….400″
Front Grinding Wheel Cross Travel…………27″
Rear Grinding Wheel Cross Travel………….27″
Load Capacity (on Neck Rests)…………….78,000 lbs. (nominal)
Grinding Wheel Diameter………………….20″ (maximum)
Grinding Wheel Width ……………………3″ (nominal)
Grinding Wheel Speeds……………………575 / 850 / 1700 RPM
Grinding Wheel Surface Speeds…………….3700 to 7400 FPM
Wheel Head Infeed Rate…………………..0.0005 to 0.010 IPM
Workhead Spindle Speeds………………….4.5 to 18 RPM
Wheel Longitudinal Feeds (variable)……….0.750 to 22 IPM
Carriage / Saddle Feed Rate………………2.000 to 60.0 IPM
Concavity Of Roll On Diameter…………….0.400″ (maximum)
Crowning Of Roll On Diameter……………..0.400″ (maximum)
Grinding Wheelhead Spindle Motors…………15 HP (each)
Rapid Traverse Motor…………………….5 HP
Headstock Drive Motor……………………25 HP
Electrical Characteristics……………….480 VAC / 3 Phase / 60 Cycle

EQUIPPED WITH:
Complete Electrical Controls with Operator Station
Swing-Rest Attachment
Crowning (Tapering) Capabilities
Dual Automatic Positive Infeed
High Pressure Lubrication System
Complete Flood Type Coolant System
Complete Gaging and Measurement Tools
Floor Space Required…………………….10 ft. F-B x 48 ft. L-R
Overall Height………………………….8 ft (without pit)
Weight…………………………………125,000 lbs. (estimated)

Specifications
Condition Used

(1) Used 50″/63″ x 376″ FARREL Model 69 A 4895 TRAVELING-HEAD ROLL GRINDER; Dual Wheel with Lathe Turning / Milling Attachment; Mfg. 1974

**Part of this machine has been sold, What is remaining is listed below**
Main bed section
Farrel gearbox for turning rolls
Misc. roll support brackets
Feed screw.
Other Misc. parts
Original DC drive controller

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