LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe Applications
- Oil & gas pipe machining with ultra-large bore requirements
- Heavy equipment, mining, and energy sector manufacturing
- Shipbuilding and large structural fabrication
- Repair and machining of oversized shafts and cylindrical components
- Precision threading, boring, and taper turning of extreme-size workpieces
Designed for industries requiring maximum swing, extreme bore capacity, and long-bed machining performance.
LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe Specifications
| Model | SHA-40 |
|---|---|
| Swing Over Bed | 40″ |
| Swing Over Cross Slide | 29″ |
| Swing in Gap | 59″ |
| Width of Gap | 20″ |
| Distance Between Centers | 59″ – 393″ |
| Spindle Bore Options | 4⅛″, 6″, 9″, 10″, 12″, or 14″ |
| Spindle Nose | A2-11, A2-15, or A2-20 |
| Spindle Speed Range | (4⅛″, 6″): 3–300 / 4–400 RPM (9″, 10″): 3–320 / 5–500 RPM (12″, 14″): 2.5–250 / 4–400 RPM |
| Number of Speeds | 12 Changes |
| Longitudinal Feeds | 0.0034″ – 0.40″ / rev |
| Cross Feeds | 0.0017″ – 0.20″ / rev |
| Inch Threads | 1/4 – 30 TPI |
| Metric Threads | 1 – 120 mm |
| Diametral Pitch Threads | 1 – 120 DP |
| Module Pitch Threads | 0.25 – 30 MP |
| Leadscrew | 2 1/4″ Diameter, 2 TPI |
| Cross Slide Travel | 24″ |
| Compound Rest Travel | 14″ |
| Rapid Traverse Speed | 80″ / min |
| Tailstock Quill Diameter | 4⅛″ |
| Tailstock Quill Travel | 11 1/4″ |
| Bed Width | 22″ |
| Main Motor | 15 HP, 20 HP, or 25 HP |
| Rapid Traverse Motor | 1 HP |
| Approximate Weight | 14,991 – 33,730 lbs (varies by length) |
LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe Performance & Construction
- High-strength FC-25 cast iron bed with box-type structure provides superior rigidity and vibration control.
- Forged one-piece spindle supported by precision bearings for maximum cutting stability.
- Ni-Cr-Mo alloy gears and shafts are carburized and precision ground for long service life.
- 12-step spindle speed system optimized for torque and performance across large diameters.
- Electromagnetic brake system ensures rapid stopping and operational safety.
- Fully enclosed gearbox enables inch, metric, module, and diametral threading without gear changes.
- Forced lubrication system maintains consistent operation and reduces wear.
- Safety clutch protection enhances reliability during heavy cutting operations.
- Advanced carriage and apron design with automatic lubrication and safety interlocks.
- Rapid traverse system improves efficiency in longitudinal and cross movements.
- Taper attachment capability allows precision taper turning up to ±10°.
LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe Standard Equipment
- Coolant system with pump
- Full-length splash guard
- 4-way rapid traverse system
- Electromagnetic brake
- Anchor bolts and washers
- LED work light
- Leveling pads
- Spindle center sleeve
- Two-speed tailstock
- Dead center
- Steady rest with roller jaws (70–430mm capacity)
- 4-way quick turn turret tool post
- Thread indicator
- Operation manual and parts list
- Toolbox with tools and touch-up paint
LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe Optional Accessories
- Newall digital readout system (installed)
- Quick change tool post with holders
- Precision live center
- Keyless drill chuck and arbor
- Additional steady rest
- Follow rest
- Taper attachment
- 3-jaw scroll chuck
- 4-jaw independent chuck
Why Choose the LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe
- Maximum 40” swing and up to 14” spindle bore capacity
- Extended turning length up to 393” for extreme workpieces
- Heavy-duty cast construction ensures unmatched rigidity
- Advanced gearbox with full threading versatility
- Industrial-grade safety, braking, and lubrication systems
The LeBlond RKL-4000G (SHA) Series Large Bore Heavy Duty Precision Lathe is built for the largest, most demanding machining applications where capacity, strength, and precision are critical.
