Heald 261 Horizontal Spindle Rotary Surface Grinder

Serial Number: 38678

Specifications:
Table Magnetic Size: 17″
Swing Inside Pan: 18 1/2″
Wheel Size: 14″ x 1″ x 5″
Spindle Drive: 15 HP
Distance Top of Chuck To Center Of Grinding Wheel: 17 1/2″
Max & 4 1/2″ Min
Table Travel: 12″
Grinding Stroke: 8″
Max Angle Convex: 17 deg & Max Angle Concave: 10 deg
Chuck Speed: 50 to 225 RPM
Wheel Speed: 1680 RPM
Table Speed Grinding: 0 to 35 FPM
Table Speed Runout: 0 to 20 FPM
Power Feed Adjustment: .0001 to .0006 By .0001
Lubrication System

Heald 261 Horizontal Spindle Rotary Surface Grinder

Serial Number: 37936

Specifications:
Table Magnetic Size: 17″
Swing Inside Pan: 18 1/2″
Wheel Size: 14″ x 1″ x 5″
Distance Top of Chuck To Center Of Grinding Wheel: 17 1/2″
Max & 4 1/2″ Min
Table Travel: 12″
Grinding Stroke: 8″
Max Angle Convex: 17 deg & Max Angle Concave: 10 deg
Chuck Speed: 50 to 225 RPM
Wheel Speed: 1680 RPM
Table Speed Grinding: 0 to 35 FPM
Table Speed Runout: 0 to 20 FPM
Power Feed Adjustment: .0001 to .0006 By .0001
Auto Lube

Heald 261 Horizontal Spindle Rotary Surface Grinder

Specifications:
Table Magnetic Size: 16″
Swing Inside Pan: 18 1/2″
Wheel Size: 14″ x 1″ x 5″
Distance Top of Chuck To Center Of Grinding Wheel: 17 1/2″
Max & 4 1/2″ Min
Table Travel: 12″
Grinding Stroke: 8″
Max Angle Convex: 17 deg & Max Angle Concave: 10 deg
Chuck Speed: 50 to 225 RPM
Wheel Speed: 1680 RPM
Table Speed Grinding: 0 to 35 FPM
Table Speed Runout: 0 to 20 FPM
Power Feed Adjustment: .0001 to .0006 By .0001
Auto Lube

HEALD Horizontal Spindle Rotary Surface Grinder
Model: 261-16”
Serial No.: 47534
Year: 1977

Specifications:
Diameter Chuck 16 7/8”
Swing Inside Guard 18 1/2”
Standard Wheel 14” X 1” X 5”
Distance Top of Chuck to C/L Wheel: Minimum 6” Maximum 17 1/2”
Convex Maximum Angle 20 Degree
Convex Minimum Angle 10 Degree
Table Travel 12”
Grinding Stroke 8”
Wheel Speed – RPM 50-225

Table Speeds:
Grinding 0-12 FPM
Runout 35 FPM
Power Feeds .0001 – .0005”
Approximate Weight 8,350 LBS

Equipped With:
15 HP Main Spindle Drive
Chuck Neutrol & Rectifier
Coolant Pump & Tank
Dresser Control Valve
Automatic Cycling With Sparkout Timer
Fine Coarse Feed Controls
Compensation Knob & Dial
Hand Picker Feed Lever
18” Aluminum Diameter Plate for Chuck

Machine has New Drive Systems for the Chuck/Table Rotation & Grinding Wheel Spindle