HEALD
Machine Type: Internal Grinding
Model: No.74
Technical Specification:
Swing over table: 36"
Maximum diameter of hole that can be ground: 20
Grinding stroke: 3/8” to 15”
Taper swivel on work head: 60 inc.angle
Center of chuck spindle from floor: 50
Diameter of work head spindle flange: 12
Hole through work head spindle: 1 11/16
Table speeds unlimited between: 0 to 18 ft. per min
Work head speeds adjustable: a-c 41-62-82-123 RPM
Power feed adjustment: 1 to 6 teeth
Pump motor: 2 HP, ac - 1200 RPM
Work head motor: 1-1 1/2-2-3 Tapered HP, ac-600-900-1200-1800 RPM
Wheel head motor: 7 1/2 HP, ac-3600 RPM