φ4000mm Swing · 0.5–106 rpm Spindle · High Torque

The CK61 Series 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.

CK61 Series

Regular maintenance

Spare parts supply

On-site installation service

Customized design

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

● Spindle System: High-torque Spindle, High-power Spindle, Center Water Outlet Spindle

● Feed System: High-precision Servo Motor, Stepper Motor, Heavy-duty Square Linear Guides

● Cooling System: Centrifugal Pump, Vibration Pump, Water-soluble Coolant, Oil-based Coolant

● CNC Control System: High-performance CNC System (FANUC, Siemens, GSK, KND, SYNTEC, Mitsubishi, etc.)

● Tooling System: Large Square Ram Tool Holder, Turret Tooling System, Electric Turret, Large-size Tool Holding System

● Measurement and Monitoring: Heidenhain Linear Scales, Tool Breakage Detection System, Renishaw OMP60 Workpiece Probe, Renishaw TS27R Tool Setting Probe

● Other Configurations: Lubricated Manual Tailstock, Strong Magnetic Chain-type Chip Conveyor, Automated Loading/Unloading Gantry

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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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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

MN CATALOG.pdf

Frequently Asked Questions

1、What is the maximum load capacity of the heavy-duty lathe?

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.

2、What types of materials can the heavy-duty lathe process?

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.

3、What is the cooling and lubrication system used in the heavy-duty lathe?

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.

4、If I only have part drawings, can you recommend equipment for me?

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!

5、Can CNC machine tools be customized?

Minnuo has complete basic production equipment, and we can offer customization services for machine systems, spindle speeds, motor power, and even shell sheet metal.

6、How is the quality of our heavy-duty lathes, and how is it ensured?

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.

7、What is the lead time for machines?

For standard heavy-duty lathe models, we have inventory available for quick delivery. Custom models can be delivered within 30-45 working days.

8、How is the after-sales service?

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.