CK Series – Clausing Large Swing CNC Lathe, Large Capacity Oil Country Lathe, 50 – 80” Swing over Bed
Features and Benefits:
Clausing’s CNC large‑swing, heavy‑duty lathes are built to machine big components accurately and efficiently. A broad menu of options lets you tailor the machine for job shops, oil‑country work, utilities, shipbuilding and more. Each system can be configured to your requirements.
The Fanuc Oi platform supports manual operation with a full‑function DRO as well as automatic cycles using easy Manual Guide i conversational programming or full G‑code CNC.
CK-Series: Swings available from 50” to 80” and center distances from 82” to 476”. Other swing and center distances can be quoted.
Commonwealth Industrial provides local sales, applications assistance and service support for every installation.
Specifications:
| Machine Style | CNC Large Swing Lathe |
| Spindle Speed Control | Inverter Variable |
| Spindle (Hp) Inverter (Hp) | 75/100 |
| Swing Over Bed (inch) | 50 – 80 |
| Swing Over Cross slide (inch) | 29 – 60 |
| ** Maximum Weight Between Centers (lbs.) Standard | 33,000 |
| ** Maximum Weight BC with Steady (lbs.) Standard | 37,400 |
| ** Maximum Unsupported weight in Chuck (lbs.) STD | 19,800 |
| Distance Between Centers (inch) | 82 – 476 |
| Bed Width Across V and Flat (inch) | 47.5 |
| Bed Height from Floor (inch) | 30 |
| Spindle Bore (inch) | 9.05 – 24.02 |
| Spindle Nose A-Mount | 11-20 |
| Number of Spindle Speeds Variable | 4-Auto Change |
| Spindle Speed RPM Range (standard RPM) | 3-300 |
| X- Axis Cutting Feed Rate (in/rev) | 0.00004 – 9.84 |
| X-Axis Rapid Rate (in/min) | 236.16 |
| Z-Axis Cutting Rate (in/rev) | 0.00004 – 15.75 |
| Z-Axis Rapid Rate (in/min) | 314.88 |
| X Ballscrew diameter (inch) | 1.97 |
| Z Axis Ballscrew Diameter (inch) | 3.15 |
| Tailstock Quill Diameter standard (inch) | 9.25 |
| Tailstock Quill Type | Rotating |
| Tailstock quill Travel (inch) | 7.87 |
| Tailstock Quill Taper standard | 6 MT |
| Coolant System | Yes |
| Voltage Required | 230/460 |
| Phase | 3 |
| Machine Foot Print (LxWxH) (inch) | Based on Specific Model |
| Machine Weight (lbs.) | Based on Specific Model |
| ** Note | These weights can be increased with larger spindle bores and spindle bearings |
Machine Features:
- Fanuc Oi Control (other controls optional)
- 4-Way Bed System
- 4-range auto change AC variable drive with CSS control 7-700 rpm
- Hardened and Ground bed ways and gears
- Turcite “B” fitted between saddle and bed to greatly reduce friction
- Full enclosed interlock guarding
- Front and Rear belt chip conveyor
- Electric cabinet refrigeration unit
- Spindle oil refrigeration unit
- 4-Way auto hydraulic turret
- Coolant system
- Automatic lubrication system
- Hydraulic tailstock w/9.25” rotating quill programmable, and hydraulic body movement
- Halogen worklight
- Leveling screw and pads
- Optional CE electrics
- A one year warranty backed by Clausing Service Center dedicated to support our customers with parts and service
- 9.05” Spindle bore A2-11 nose mount with 12” ID Spindle bearing
- Optional spindle bores to 24.02”
- 75 Hp Main spindle motor 100 Hp Inverter Optional sizes available
Large‑swing CNC oil‑country lathe with 50–80” swing over bed, 4‑range auto‑change inverter variable speed, 75 HP spindle / 100 HP inverter, 82–476” between centers, 29–60” swing over cross slide, standard 3–300 RPM (varies with bore), 6–24.02” spindle bore, 9.25” rotating tailstock quill, 230/460 V, 3‑phase. Available through Commonwealth Industrial.