Heald Rotary Surface Grinder 261 for precision grinding of flat, concave, and convex surfaces. 10 HP main drive spindle motor and controls.New - 1983Serial No. - 49585SPECIFICATIONS:Chuck Face Diameter............17"Chuck Life Remaining............9/16"Swing Inside Guard............21"Standard Wheel Size............14" x 1" x 5"Distance Top of Chuck to Centerline Wheel - Maximum............17-1/2"Distance Top of Chuck to Centerline Wheel - Minimum............4-1/2"Height Under New Wheel............10-1/2"Table:- Slide Travel............12"- Grinding Stroke of Table............8"- Speeds - Grinding............0 - 12 FPM- Speed - Runout............35 FPMTable Tilt Adjustment:- Convex - Maximum............17 Degrees- Concave - Maximum............10 DegreesChuck Speeds - Variable............50 - 225 RPMChuck Feed Rates............0 - 20 FPMWheel Speed............1640 RPMPower Feed of Spindle(0.0001" increments)............0.0001" - 0.0005"Electrics............460V/3Ph/60 CycleDimensions - Approximate............78" x 60" x 80" HWeight - Approximate............8,350 Lbs.EQUIPPED WITH:17" Electro Magnetic Concentric Gap Chuck Electromatic Neutrifier II and Chuck Control Angular Setting ScaleFine Coarse Feed ControlsCompensation Knob and Dial Hand Picker Feed Lever Spark Out TimerSize-Matic Selector Table Speed Controls Hydraulic Pump & Tank for Automatic Lubrication of Table & Vertical WaysIndependent Lubrication System for ChuckCoolant Pump & TankWheel Retraction KnobWheel Dresser*Preliminary Specifications Subject to Verification.
This machine is listed for sale by Liberty Machinery Company located in Lincolnshire, Illinois
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