SmartCut Big Hole CNC Lathes

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Summit® SmartCut II Series Big Hole CNC Lathes were designed for growing machine shops that are evolving from manual lathe to CNC operations. These revolutionary machines combine the precision performance of full CNC lathes and the affordability of manual lathes. Summit SmartCut II Series Big Hole CNC Lathes balance CNC controls with hand wheels for manual turning, providing maximum convenience and economy. They include an innovative self-teaching controller feature that stores machining sequences from manually produced parts for future reproduction. The combination of control features and hand wheels makes Summit SmartCut II Series Big Hole CNC Lathes ideal as single machines for one-off or prototype production, in semi-automatic mode for small production lots and in fully automatic mode for medium length production runs.
- Available in 60″ – 200″ center distances
- Up to 19,600 lbs. part capacity
- Heavily ribbed cast bed and base
- Hardened and precision ground bed ways
- Precision ground ball screws
- Infinitely variable speed ranges
- Yaskawa spindle drive
- Constant surface speed
- Fine feed electronic hand wheels
- Inch-metric capabilities
- T-slotted cross slide for multiple accessory compatibility
- Steady rest with roller tips
- Coolant system
- Work light
- Sliding enclosure doors
- 3 or 4 jaw chuck (except SC42)
- Front and rear 4 jaw chucks (SC42)
| Specifications: | SC24 | SC26 | SC30 | SC33 | SC42 |
| Capacities |
| Swing over bed | 23.6" | 26.3" | 30.3" | 33" | 41.7" |
| Swing over slide | 13" | 15.75" | 19.6" | 22.4" | 26" |
| Headstock |
| Hole thru spindle | 4.1" | 6.1" / 9" | 9" | 12.2" / 14.1" |
| Spindle Speeds (no.) Range | (inf variable)13-1200 RPM | (infinitely variable)11-1000 RPM /4-800 RPM | (inf variable)4-600 RPM | (inf variable)3-400 RPM |
| Spindle Nose | A2 - 11 | A2-11 /A2-15 | A2-15 | A2-20 |
| Feed Rate |
| X Axis | 0 - 200 IPM |
| Z Axis | 0 - 200 IPM |
| Tailstock |
| Tailstock - quill diameter | 3.7" | 4.9" |
| Tailstock - quill travel | 9" | 11.8" |
| Motors |
| X Axis Servo | 2.7 HP | 3.7 HP |
| Z Axis Servo | 4.3 HP | 7.1 HP |
| Spindle Motor HP | 20 HP | 30 HP |