Heavy Duty CNC Lathe Machine CN-K50B Series
The CN-K50B Series (including CN-K50B-2 and CN-K50B models) represents a powerful solution for manufacturers requiring reliable heavy-duty turning capabilities. Built with a monolithic conjoined bed and wide-span guide rails, these CNC lathes offer outstanding rigidity, minimal vibration, and the ability to handle large cutting torques for both rough machining and high-precision finishing.
Key Features & Benefits
Exceptional Structural Rigidity
- Monolithic bed with 420mm Z-axis guide span and 230mm X-axis span
- High rigidity design minimizes vibration during heavy cutting
- Benefit: Extended tool life, superior surface finish, and consistent accuracy even under maximum load
Powerful & Stable Spindle System
- Independent spindle structure with three-gear automatic shift gearbox
- Spindle bore: 82mm (optional 122mm)
- Speed range: 34-2000 r/min (gear) / 50-2500 r/min (continuous)
- Benefit: Eliminates motor vibration and heat transfer to the workpiece, ensuring high precision and low thermal deformation
Precision Motion Control
- High-torque servo motors on X and Z axes
- Rapid traverse: 8000mm/min (Z), 4000mm/min (X)
- 4-station electric turret with 25×25mm tool section
- Benefit: Fast positioning, smooth operation, and reduced cycle times
Versatile Processing Capacity
- Max swing over bed: 500mm
- Max workpiece length: 1000mm / 1500mm / 2000mm
- Max turning diameter on slide: 280mm
- Tailstock with MT5 taper and ±15mm offset
- Benefit: Perfect for machining shafts, rollers, flanges, and large-diameter tubes across various industries
Technical Specifications
| Specification | CN-K50B-2 | CN-K50B |
|---|---|---|
| Max. Swing Diameter over Bed | 500mm | 500mm |
| Max. Workpiece Length | 1000mm | 1500mm / 2000mm |
| Guide Span (Z) | 420mm | 420mm |
| Spindle Bore | 82mm (opt. 122mm) | 82mm (opt. 122mm) |
| Spindle Speed | 34-2000 r/min | 50-2500 r/min |
| Max. Turning Diameter on Slide | 280mm | 280mm |
| Turret Stations | 4 | 4 |
| Main Motor Power | 7.5kW Servo | 11kW Servo (opt.15kW) |
| X/Z Servo Motors | 1.2kW / 1.5kW | 1.2kW / 1.5kW |
| Machine Dimensions (L×W×H) | 3081×1558×1680mm | Up to 4081×1558×1680mm |
| Machine Weight | 2500kg | 3000–3500kg |
Why Choose the CN-K50B Series?
- High Productivity: Combination of powerful main motor and rapid traverses reduces machining time.
- Thermal Stability: Independent spindle design significantly reduces heat-related errors.
- Operational Flexibility: Multiple length options and optional larger spindle bores adapt to diverse production needs.
- Cost Efficiency: Robust construction ensures long-term reliability and lower maintenance costs.
Applications
Ideal for heavy machinery manufacturing, automotive parts, energy & power components, oil & gas, mining equipment, and general precision engineering workshops.
Frequently Asked Questions (FAQ)
Q1: What is the maximum workpiece length available? A: The CN-K50B series supports 1000mm, 1500mm, and 2000mm workpiece lengths depending on the model.
Q2: Can the machine handle heavy cutting? A: Yes. The wide guide rails, monolithic bed, and high-torque servo system are specifically engineered for strong cutting and heavy-duty applications.
Q3: What is the spindle bore size? A: Standard 82mm, with optional 122mm or 160mm configurations available for larger bar stock.
Q4: Is the machine suitable for high-precision finishing? A: Absolutely. The independent spindle structure and low thermal deformation design deliver excellent accuracy for both roughing and finishing operations.
Q5: What control system is used? A: The machine is compatible with popular CNC controllers (Fanuc, Siemens, or equivalent – please contact us for exact configuration).
