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Precision Turning · Compact Structure · Versatile Performance

The CK6140 is a high-performance flat bed CNC lathe optimized for small to medium-sized parts. With a turning diameter of Ø400mm and workpiece length up to 550mm, it is ideal for processing bushings, flanges, short shafts, couplings, and threaded components.

CK 6140/CK6160 Series

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Regular maintenance

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Spare parts supply

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On-site installation service

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Customized design

Why Choose Our CNC Solutions

Key Features

  • Efficient Machining Envelope: Supports Ø400mm turning diameter and 420mm turning length, ideal for small-to-mid-size parts.
  • Powerful Spindle Motor: Equipped with 5.5kW or 7.5kW motor, delivering strong torque and stable performance under load.
  • Flat Bed Structure for Easy Maintenance: Robust and simple layout enhances rigidity, lowers maintenance cost, and is easy for operators to access.
  • High Positioning Accuracy: Ensures precision cutting, suitable for finishing operations and fine threading.
  • Economical Entry into CNC Machining: Especially recommended for workshops upgrading from manual to automated lathe production.
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machine details

Recommended Configurations

  • GSK or FANUC controller: Supports G-code + manual guide for fast learning curve.
  • Hydraulic chuck: Quick clamping and high repeatability.
  • Manual 4-position toolpost: Economical for simple job setups.
  • Automatic lubrication system: Ensures consistent wear control and long life.
  • Tailstock / center: Improves rigidity for shaft turning.
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Application Example

  • Client: Domestic valve manufacturer.
  • Workpiece: Brass valve body Ø110mm × 300mm.
  • Setup: CK6140 + 4-station turret + hydraulic chuck.
  • Result: Output increased by 30%, tool change time reduced by 40%, surface finish Ra ≤ 1.6.
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Product Specifications

SpecificationsunitCK6140CK6150CK6160
Max.swing dia.over bedmm400500600
Max.swing dia.over slidemm240250395
Maximum turning diameter(disc)mm400500600
Max.work piece lengthmm550/7501000/1500/20001000/1500/2000
Maximum turning lengthmm420/620850/1350/1850850/1350/1850
Spindle nose/A2-6/A2-8A2-8/A2-11A2-8/A2-11
spindle boreφ/mm48/8282/13082/130
Spindle taperφ/mmCollet/Metric90Metric90/Metric140Metric90/Metric140
Spindle speedr/min150-2500/150-1800150-1800/150-800150-1800/150-800
Spindle type/Infinitely adjustable speed//
Spindle motor powerKW5.5/7.57.5/117.5/11
Chuck tvpe/Manual chucks//
Chuck sizemm200/250250/320/380/
Xaxis apid traversem/min666
Zaxis rapid traversem/min888
Xaxis servo motor torqueN.m45/7.55/7.5
Zaxis servo motor torqueN.m67.5/10/157.5/10/15
Xaxis travelmm280280325
Zaxis travelmm550/7501000/1500/20001000/1500/2000
Guide way type/hardtrack//
Capacity of tool post/444
Tool shank sizemm×mm20×2025×2525×25
Tail stock quilldiaφ/mm607575
Tail stock qulltravelmm100150150
Tail stock qulltaper/MT4#MT5#MT5#
Total rated powerKW458792011/12/132011/12/13
Total rated currentA17/2123/26/2923/26/29
Net weightkg1900/22002700/3100/35002800/3200/3400
Machine dimension(L×W×H)L×W×H(mm)2000/2200×1600×18002650/3250/3750×1700×18202650/3250/3750×1700×1820

Frequently Asked Questions

As a professional CNC lathe machine manufactor, Minnuo offers direct factory sales. We will provide the most suitable quotation according to customers' requirements to ensure the highest cost - performance ratio.

We have complete basic production equipment.We customize the CNC lathe machine components like machine systems, spindle speeds, motor power, and outer shell sheet metal.

Our CNC lathe machines have a one - year warranty with free repairs. Contact our 24/7 after - sales team for malfunctions. Issues are resolved via remote video, phone, or on - site service.

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Have any questions? For answers or additional information about ourmachines, please contact us here.

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