Heald 273A

Maximum table travel: 20"
Maximum grinding stroke: 16"
Work head cross slide travel: 17 1/2"
Wheel head cross slide travel: 1 1/2"
Work head swivel angle: 90°
Maximum swing over table: 22"
Swing with work head swiveled: 13"
Swing inside standard chuck guard: 21"
Maximum grinding bore: 9.625"
Work head spindle speed: 1200 RPM
Work head motor power: 1.5 HP
Wheel head motor power: 5 HP
Pump motor power: 1.5 HP
Pump motor speed: 1800 RPM
Wheel head motor speed: 3600 RPM
Table grinding speed: 0–18 FPM
Rapid table traverse speed: 18 FPM
Cross feed per handwheel revolution: 0.050" on diameter
Cross feed increment adjustment: 0.0001"–0.0005" on diameter
Minimum stroke length: 0.125"
Work slide feed per handwheel revolution: 0.100"
Table handwheel travel per revolution: 3 3/4"
Oil tank capacity: 11 gallons
Base footprint size: 73 3/4" x 37 7/8"
Approximate machine weight: 10,000 lbs

Cross sliding work head
Variable speed work head
Single point manual dresser
Face stop
Attached electrical panel
Extended base
Coolant tank
Coolant pump
Manual table feed
Power table feed
Work head risers