Heald 74

Type: Internal Grinder
Swing: 36"
Max Grinding Bore: 20"
Stroke: 7"
Total Table Travel: 13"
Workhead Swivel: 60°
Workhead Power: 3 HP
Wheel Power: 7.5 HP
Workhead Speed: 123 RPM
Table Speeds: 0–18 ft/min
Power Feed Adjustment: 1 to 6 teeth
Coarse Feed Per Ratchet Tooth: .0002"
Fine Feed Per Ratchet Tooth: .000128"
Pump Motor: 2 HP, AC, 1200 RPM
Workhead Motor: 1–3 HP, AC, 600–1800 RPM
Wheel Head Motor: 7.5 HP, AC, 3600 RPM
Center of Chuck Spindle from Floor: 50"
Diameter of Workhead Spindle Flange: 12"
Hole Through Workhead Spindle: 1 11/16"
Equipment: Single Point Dresser
Equipment: 30" O.D. Magnetic Chuck
Equipment: Cam Facing Stop
Equipment: Cross Sliding Workhead
Equipment: Manual or Hydraulic Table
Equipment: All Trip Dogs
Equipment: All Pick Feeds
Equipment: Bijur Lube
Equipment: 4-Speed Workhead