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φ4000mm Swing · 0.5–106 rpm Spindle · High Torque
The CK61 is a heavy-duty horizontal CNC lathe designed for machining extra-large and ultra-heavy components with exceptional precision and rigidity. Featuring a swing diameter over tool carriage of up to Ø4000mm, a stepless spindle speed range of 0.5–106 rpm, and high-speed axis traverses, it excels in slow-speed torque-driven heavy cutting—making it ideal for wind turbine hubs, marine shafts, industrial rollers, and metal processing cylinders.
CK61Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Ultra-Large Swing Diameter (φ4000mm): Accommodates massive parts such as large steel rollers, impellers, and circular structural components.
- ● High-Torque Spindle (0.5–106 rpm): Stepless speed control allows precise low-speed heavy-duty cutting of high-resistance materials.
- ● Wide-Area Rapid Traverse (X: 2500mm/min / Z: 3000mm/min): Enables efficient tool positioning and fast rough-to-finish operations on long workpieces.
- ● Stable Structure for Large Loads: The rigid box-type bed and large-span guideway system ensure outstanding vibration damping.
- ● Optional Tailstock or Steady Rest: Supports long shafts and irregular heavy parts to maintain axial stability.
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Recommended Configurations
- ● Dual Steady Rest System: Provides additional support for long, heavy shafts to maintain accuracy and safety.
- ● Hydraulic Tailstock: Enhances part stability during heavy cutting, especially for deep bore operations.
- ● Custom Boring Tool Bracket: Designed to hold oversized boring bars for internal machining of large-diameter parts.
- ● Automatic Chip Conveyor: Improves chip evacuation during heavy-duty turning for cleaner and safer operation.
- ● Spindle Cooling System: Maintains thermal stability during prolonged low-speed heavy-load cutting.
- ● Workpiece Balancing Sensor: Monitors imbalance in ultra-large parts to prevent vibration and protect bearings.
- ● CNC Control Options (Siemens/FANUC): Flexible interface options for operator convenience and global support.
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Application Case
- ● Client: Wind turbine part manufacturer (China).
- ● Workpiece: 3.8-meter diameter alloy steel bearing ring.
- ● Setup: CK61 with double steady rest, custom boring bar, FANUC control.
- ● Results: Low-speed roughing + high-stability finishing within one setup. Runout control within 0.02mm over 3.2-meter swing. Surface roughness achieved Ra ≤ 1.6μm. Increased productivity by 35% compared to traditional manual lathe process.
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Product Specifications
| Specification | Unit | CW6163E/CW6263E | CW6180E | CW6180F/CW6280F | CW61100F/CW62100F | CW61100L | |||
|---|---|---|---|---|---|---|---|---|---|
| Swing over bed | mm | 630 | 800 | 800 | 1000 | 1000 | |||
| Swing over gap | mm | 800 | 1000 | 1200 | / | ||||
| Swing over cross slide | mm | 350 | 480 | 680 | 610 | ||||
| Distance between centers | mm | 1500/2000/3000/ 4000/5000/6000 | 1500/2000/3000/4000/5000/6000 | 1500/2000/3000/4000/5000/6000 | 1500/2000/3000/4000/5000/6000 | 1500/2000/3000/4000/5000/6000 | |||
| Guideway width | mm | 550 | 550 | 600 | 600 | 755 | |||
| Max.load capacity | T | 3 | 3 | 4 | 4 | 6 | |||
| Spindle bore | mm | 104 | 104 | 104 | 104 | 130 | |||
| Spindle bore taper | / | Metricφ120/MT5 | Metricφ120/MT5 | Metricφ120/MT5 | Metricφ120/MT5 | Metricφ140/MT6 | |||
| Spindle nose type | / | C11 | C11 | C11 | C11 | A2-15 | |||
| Spindle speed steps | / | FWD.18 steps | FWD.18 steps | FWD.18 steps | FWD.18 steps | FWD.21 steps | |||
| Spindle speed range | rpm | 7.5-1000 | 6-800 | 5.4-720 | 5.4-720 | 3.15-315 | |||
| Chuck | mm | φ3153-jaw manual | φ3153-jaw manual | φ4003-jaw manua | φ4003-jaw manua | φ10004-jaw manual | |||
| Turret/tool post | / | Manual turret 4 position | Manual turret 4 position | Manual turret 4 position | Manual turret 4 position | Manual turret 4 position | |||
| Tool shank size | mm | 30x30 | 30x30 | 32x32 | 32x32 | 45x45 | |||
| X axis travel | mm | 320 | 420 | 420 | 420 | 520 | |||
| Z axis trave | mm | 1350/1850/2850/ 3850/4850/5850 | 1350/1850/2850/3850/4850/5850 | 1350/1850/2850/3850/4850/5850 | 1350/1850/2850/3850/4850/5850 | 1350/1850/2850/3850/4850/5850 | |||
| X axis feed grade/range | mm/r | 64/0.05-12.15 | 64/0.05-12.15 | 64/0.05-12.15 | 64/0.05-12.15 | 56/0.05-6 | |||
| Z axis feed grade/range | mm/r | 64/0.1-24.3 | 64/0.1-24.3 | 64/0.1-24.3 | 64/0.1-24.3 | 56/0.1-12 | |||
| X axis rapid traverse | mm/min | 2300 | 2300 | 2300 | 2300 | 1870 | |||
| Z axis rapid traverse | mm/min | 4000 | 4000 | 4000 | 4000 | 3740 | |||
| Metric thread grade/range | mm | 50/1-240 | 50/1-240 | 50/1-240 | 50/1-240 | 44/1-120 | |||
| nch thread grade/range | T.P.I | 26/14-1 | 26/14-1 | 26/14-1 | 26/14-1 | 31/28-3/8 | |||
| Module thread grade/range | mm | 53/0.5-120 | 53/0.5-120 | - | 45/0.5-60 | ||||
| DP thread grade/range | D.P | 24/28-1 | 24/28-1 | - | - | 30/56-1 | |||
| Tailstock quill diameter | mm | φ100 | φ100 | φ120 | φ120 | φ160 | |||
| Tailstock quill taper | / | MT5 | MT5 | MT6 | MT6 | MT6 | |||
| Tailstock quill trave | mm | 250 | 250 | 250 | 250 | 300 | |||
| Main spindle motor | kW | 11 | 11 | 11 | 11 | 22 | |||
| Rapid traverse motor | kW | 1.1 | 1.1 | 1.1 | 1.1 | 1.5 | |||
| Coolant pump motor | kW | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | |||
| WidthxHeight | mm | 1400x1450 | 1500x1450 | 1550x1650 | 1750x1750 | 2000x1800 | |||
Catalog
Frequently Asked Questions
The typical load capacity of heavy-duty lathes ranges from 500 kg to 20,000 kg, and some of our models can handle workpieces weighing up to 60,000 kg.
These heavy-duty lathes can process a wide range of materials, including steel, titanium, cast iron, and aluminum alloys. Some models can also process difficult-to-machine alloys and composite materials, with optimization specifically for heat treatment of hard metals.
The heavy-duty lathe uses a high-flow coolant system, with a mist cooling system for fine processing. The coolant system typically handles over 100 liters of coolant per minute, ensuring effective heat dissipation. The lubrication system operates automatically and can function under high pressure.
As a professional CNC lathe machine manufactor, , Minnuo has a strong and responsive pre-sales department. As long as you provide the part drawings, we can recommend equipment for a single machine within 10 minutes. For production lines consisting of multiple machines, we will provide a solution within 5 business days!
Minnuo has complete basic production equipment, and we can offer customization services for machine systems, spindle speeds, motor power, and even shell sheet metal.
Our company has several processing master machines of international first - tier brands, which ensures the processing accuracy of cnc lathe machine components. At the same time, we also provide a quality inspection report when the machine leaves the factory.
For standard heavy-duty lathe models, we have inventory available for quick delivery. Custom models can be delivered within 30-45 working days.
Our equipment comes with a one-year warranty, during which we offer free maintenance services. If a heavy-duty lathe malfunctions, customers can contact our after-sales team at any time. We provide 24-hour technical support, and problems can be quickly resolved via remote video, phone, or on-site service.
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