| Item | Imperial Unit | Metric Unit |
| Machine Performance Range |
|
|
| Inside Diameter Mounting Range | 30-72 inches | 762.0-1828.8 mm |
| Machining Diameter Range | 30-72 inches | 762.0-1828.8 mm |
| Grinding Diameter Range | 30-72 inches | 762.0-1828.8 mm |
| Minimum Swivel Diameter with Feed Box at End of Arm | 55.8 inches | 1417.3 mm |
| Radial Tool Post Travel | 12 inches | 304.8 mm |
| Axial Tool Head Travel | 4 inches | 101.6 mm |
| Required Internal Hole Depth for Inside Diameter Chuck | 4.03±0.25 inches | 102.4±6.4 mm |
| (±0.25 inches (±6.4 mm) is the travel of the leveling foot) |
|
|
| Feed Speed | 0.002-0.035 inches/revolution | 0.051-0.889 mm/revolution |
| Surface Mount Minimum Machining Diameter | 28.0 inches | 711.2 mm |
| Milling Option |
|
|
| Vertical Travel of Milling Head | 8 inches | 203.2 mm |
| Rotary Drive System |
|
|
| Drive Type | Pneumatic or Hydraulic Drive with Pinion and Ring Gear |
|
| Pinion to Ring Gear Ratio | 5.143:1 |
|
| Single Point Turning Speed Range |
|
|
| Pneumatic Drive | 12-31 RPM |
|
| Hydraulic Drive (Depends on Motor Selection) | 2.4-20 RPM |
|
| Milling and Grinding Speed Range (with 150:1 Reducer) |
|
|
| Pneumatic Drive | 0.006-0.25 RPM |
|
| Feed Rate at 72 inch (1828.8 mm) Diameter | 1.4-58 inches/minute | 35.6-1473.2 mm/minute |
| Hydraulic Drive (Depends on Motor Selection) | 0.01-0.54 RPM |
|
| Power Input Requirements |
|
|
| Pneumatic - 3.5 HP (2.6 kW) | 95 CFM (90 PSI) | 2.69 m³/min (620 kPa) |
| Hydraulic | 10 GPM (1200 PSI) | 37.9 L/min (8273 kPa) |