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ECK6516B CNC piston outer circle vertical lathe
ECK6516B CNC piston outer circle vertical lathe
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  • ECK6516B CNC piston outer circle vertical lathe
  • ECK6516B CNC piston outer circle vertical lathe

ECK6516B CNC piston outer circle vertical lathe


Function Introduction:
The machine tool adopts a vertical Z-axis layout, with a rotary turret configured on the right side of the X-axis slide plate;
Mainly used for machining piston outer circle, ring groove, top surface, combustion chamber, internal cooling oil passage and other processes;
The machine tool's built-in software can edit various irregularly shaped outer circles required by the piston (including standard ellipses, superimposed eccentric circles, eccentric ellipses, rotating ellipses, or discrete data fitting, etc.);
The machine tool provides a robot interface and can be equipped with an automated unit according to customer requirements.


  • Technical Parameter
  • Describe
    • Commodity name: ECK6516B CNC piston outer circle vertical lathe
    Serial Number Item Unit ECK 6516B
    1 Piston Diameter mm Φ60~Φ160
    2 Piston Length mm 60~160
    3 Spindle Type   A2-6 bearing spindle
    4 Spindle Accuracy mm 0.003
    5 Spindle Speed rpm 50~1750
    6 Turret   8-station servo turret
    7 Numerical Control System   SIIMENS 828D
    8 Z-axis Stroke mm 200
    9 X-axis Stroke mm 150
    10 Tailstock Stroke mm 4.0
    11 Maximum workpiece outline (diameter) mm 200
    12 Machining Roughness μm Ra0.8
    13 Process Capability Index   IT7 level CmK≥1.33
    14 Main unit (length × width × height) mm 2000×1500×2500
    15 Net weight of main unit kg 5000
    16 Total power Kw 30
  • Main Machine Configurations: 
    1. Basic Components

    The machine's base, slide, spindle box, and other basic components are made using high-strength casting technology, resulting in a stable internal microstructure. The casting structure has undergone machine dynamics analysis and finite element analysis to optimize its geometry and ensure high rigidity. The wide and sturdy machine base, with its full-support load design, adheres to advanced material mechanics design principles, ensuring load capacity during machining. 
    2. High-Precision Spindle Unit

    Utilizes a Taiwan high-precision bearing rolling spindle A2-6, configured with a 1PH8133 spindle servo motor, offering high precision, long lifespan, and easy maintenance. 
    3. Linear Axis

    Both the Z and X axes use high-precision ball screw pairs and imported high-precision linear rolling guides. The Z-axis uses imported high-precision 45mm roller linear guides, while the X-axis uses imported high-precision 35mm roller linear guides. The ball screw adopts a pre-tensioned assembly process, significantly increasing transmission rigidity and eliminating thermal deformation during high-speed movement, thus ensuring the machine's positioning accuracy, repeatability, and stable machining precision. 
    4. Eight-Station Turret

    The machine is equipped with an eight-station hydraulic/servo turret, offering sufficient rigidity for heavy cutting needs. 

    5. Numerical Control (NC) and Electrical Control Systems

    (1) Employs the internationally advanced Siemens 828D numerical control system, known for its simple operation and high reliability. 

    (2) Wiring within the electrical cabinet complies with national electrical safety standards, ensuring the control system operates without external interference. An air-conditioned electrical control cabinet quickly expels hot air, maintaining a constant temperature and ensuring long-term stable operation of the control system.

    6. Lubrication System 

    High-efficiency automatic lubrication system: Guide lubrication uses a volumetric dispenser with oil injection, providing a fixed amount of oil to the guides, reducing waste and preventing environmental pollution.

    7. Tailstock (Optional) 

    A fixed tailstock is used, with tailstock-to-spindle coaxiality less than 0.005mm, ensuring stability and reliability. Pneumatic/hydraulic/servo tailstocks can be configured based on customer needs.

    8. Others 

    The machine has a small footprint, increasing factory space efficiency. It features a large-angle inclined chip disposal design, combined with powerful cutting water flushing, preventing chip residue. The chip disposal device is simple, environmentally friendly, practical, and reliable.