SW-20
CNC Swiss-type Automatic Lathe

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The SW-20 CNC Swiss Lathe is a versatile and high-performance Swiss-type automatic machine designed for precision machining of small and medium-sized parts.With its 20mm bar capacity and spindle speeds up to 10,000 RPM, it is ideal for intricate operations such as turning, milling, drilling, and tapping. The B-axis tooling offers enhanced flexibility for multi-angle operations, while the 8 programmable axes allow for precise control of complex part geometries. Additionally, the dual spindles enable simultaneous machining on both the front and back of parts, significantly reducing cycle times and increasing overall productivity.

  • Spindle speeds up to 10,000 RPM
  • 20mm bar capacity for a wide range of parts
  • B-axis for advanced tooling options and flexible operations
10,000 RPM | 20 mm Bar Capacity | 8 Axis | Dual Spindle Configuration

Lathe

SW-20 CNC Swiss lathe Machine Specifications and Accessories Overview

The SW-20 CNC Swiss-Type Automatic Lathe is equipped with advanced features designed for precision and efficiency in small-part production. With a 20mm bar capacity and spindle speeds up to 10,000 RPM, it delivers high-speed performance across various operations including turning, milling, drilling, and tapping. The machine’s B-axis tooling allows for complex machining at multiple angles, while its 8 programmable axes ensure precise control of intricate part geometries. Additionally, the dual spindle configuration enables simultaneous machining on both ends of the part, reducing cycle times and improving productivity. The SW-20 also includes rapid traverse speeds, a rigid slant-bed structure for stability, and high-pressure coolant systems to ensure superior chip evacuation.

Below, all standard specifications are covered. For more information or to request a custom quote, please contact us

  • Max. Machining Diameter

    Ø 20mm (25/32in)

  • Max. Headstock Stroke Standard

    STANDARD
    205mm (8 in.)

    WITH R.M.G.B
    175mm (6-57/64in)

  • Tool Post Configuration

    FRONT
    Turning tool + Power-driven tool

    REAR
    Turning tool + 4-spindle sleeve holder + Power-driven tool

  • Tool

    NUMBER OF TOOLS
    Front 4 tools
    Rear 2 tools

    Tool Shank
    12mm / 16mm

  • 4-Spindle Sleeve Holder

    NUMBER OF TOOLS
    Front 4 tools
    Rear 4 tools

    MAX. DRILLING CAPABILITY
    Ø10mm (25/64 in)

    MAX. TAPPING CAPABILITY
    M8 x P1.25

  • Power-Driven Attachment

    NUMBER OF TOOLS
    Front 3 tools
    Rear 3 tools

    MAX. DRILLING CAPABILITY
    Ø8mm (5/16 in)

    MAX. TAPPING CAPABILITY
    M6 x P1.0

    SPINDLE SPEED
    Max. 8,000min-1

    DRIVE MOTOR
    1.0kW(continuous) / 1.2kW(5min./30%/ED)

  • Rapid Feed Rate

    35m/min -1 (X2, Z1, Z2, Y1, Y3), 20m/min -1 (X1, Y2, X3, Z3)

  • Main Spindle Indexing Angle

    C-axis control

  • Main Spindle Speed

    Max. 10,000 min -1

  • Main Spindle Motor

    2.2kW (continuous)/3.7kW (10min/25%ED)

  • Coolant Tank Capacity

    150ℓ

  • Dimensions (Width x Depth x Height)

    2,588 x 1,300 x 1,765mm

  • Center Height

    1,040mm (3.41ft)

  • Weight

    3,400kg

  • Power consumption

    4.8kVA

  • Max. Chucking Diameter

    Ø 20mm (25/32in)

  • Max. Length For Front Ejection

    80mm (3-5/32in)

  • Max. Parts Projection Length

    30mm (1-3/16in)

  • Back 8-Spindle Unit

    NUMBER OF TOOLS
    STATIONARY TOOL
    Max. 8 tools
    POWER-DRIVEN TOOL
    Max. 6 tools

    MAX. DRILLING CAPABILITY
    STATIONARY TOOL
    Ø10mm (25/64in)

    POWER-DRIVEN TOOL
    Ø8mm (5/16in)

    MAX. TAPPING CAPABILITY
    STATIONARY TOOL
    M8 X P1.25

    POWER-DRIVEN TOOL
    M6 X P1.0

  • Power-Driven Att. Spindle Speed

    Max. 8,000 min -1

  • Power-Driven Att. Drive Motor

    1.0kW (continuous)/1.2kW(5min./30%ED)

  • Sub Spindle Indexing Angle

    C-axis control

  • Sub Spindle Speed

    Max. 10,000 min -1

  • Sub Spindle Motor

    2.2kW (continuous)/3.7kW (10min/25%ED)

  1. CNC Unit Fanuc 31i-B5
  2. Operation panel 10.4” color LCD display
  3. Pneumatic unit
  4. Automatic centralized lubrication unit
  5. Coolant level detector (lower limit)
  6. Door interlock system
  7. Broken cutoff tool detector
  8. Drive unit for revolving guide bush
  9. C-axis control unit (main/sub)
  10. Spindle clamp unit (main/sub)
  11. Drive system for power-driven tool (for the tool posts 1 and 2)
  12. 4-Spindle sleeve holder
  13. Back 8-spindle unit
  14. Drive unit for power-driven attachment B
  15. Parts ejector (Spring type)
  16. Air purge for revolving guide bush
  17. Sub spindle air purge unit
  18. Sub spindle air blow unit
  19. Automatic bar feeder interface
  20. Work light
  21. Leakage breaker
  1. Revolving guide bush
  2. Rotary magic guide bush unit
  3. Collet (main/sub)
  4. 2-station tool holder (12mm/16mm)
  5. 4-station tool holder (12mm/16mm)
  6. Parts conveyor
  7. Parts ejector
  8. Parts ejector (Spring type rotary ver.)
  9. Parts separator unit A
  10. Barstock gripping unit
  11. Parts ejector with guide tube
  12. Parts stopper unit
  13. Main spindle inner tube
  14. Coolant unit 2.5MPa
  15. Coolant unit 6.5MPa
  16. Coolant unit 0.7MPa
  17. Coolant pipings
  18. Coolant flow detector
  19. Parts ejection detector
  20. Warning light
  21. Water separator
  22. Compliant with the RS-232C interface
  23. Transformer

SW-20

Discover the power of the SW-20 CNC Swiss-type Automatic Lathe! If you have questions or need more info, just submit your request, and our team will help you. Elevate your production with the SW-20!

How Can the SW-20 Improve Your Machining Process?

Process

The SW-20 CNC Swiss-Type Automatic Lathe is a powerful and versatile machine designed to improve precision, efficiency, and productivity in your machining process. It excels at producing complex and intricate parts with tight tolerances, making it an ideal choice for industries like automotive, aerospace, medical, and electronics. The machine’s unique design, featuring opposing tool posts for simultaneous machining and an 8-station back working platen, enables overlapped machining on the sub-spindle, significantly reducing cycle times and boosting productivity.

Equipped with a main spindle speed of up to 10,000 RPM and the same capability for the sub-spindle, the SW-20 delivers high-speed operations while maintaining precision. Its advanced Fanuc 31i-B5 CNC control system offers user-friendly programming and operation, streamlining the manufacturing process. The machine’s front and rear tool posts, featuring power-driven tools and a 4-spindle sleeve holder, provide exceptional flexibility for handling complex machining tasks, making it suitable for a wide range of applications.

The SW-20 also features the STAR Motion Control System, which minimizes non-cutting time and maximizes efficiency, while its compact design saves valuable floor space. With automated features like the automatic centralized lubrication unit and coolant level detector, it reduces manual intervention, further enhancing operational efficiency. Swiss CNC lathes like the SW-20 are known for their ability to produce small parts with complex geometries and tight tolerances, ensuring high-quality output for industries with stringent demands.

By integrating the SW-20 CNC Swiss-Type Automatic Lathe into your operations, you can achieve greater precision, faster production times, and improved versatility, making it an invaluable asset for manufacturers looking to enhance their machining capabilities.

Why Choose Star Swiss-Style Lathes?

Star CNC Machine Tool Corp., a division of Star Micronics Co., Ltd. of Japan, is a global leader in Swiss-type turning machines, known for producing small, complex, and precise metal components. Since 1948, Star CNC has delivered reliable, high-performance lathes that excel in both high-volume production and intricate part fabrication.

Their mission is to develop fast, efficient, and robust machines that meet the demands of today’s 24/7 production environments, with a focus on ergonomics, safety, and environmentally-friendly operations.

AMT Machine Tools Ltd. is the Canadian distributor of Star CNC, offering full access to their advanced lathes and comprehensive support. Explore our Star Swiss-style lathe page or contact us for more information.

Frequently Asked Questions about the SW-20 CNC Swiss-type Automatic Lathe

FAQ

The SW-20 CNC Swiss-type Automatic Lathe is a high-precision machining center designed for producing complex, small-diameter parts with exceptional accuracy. This advanced machine features multiple axes of motion, high-speed spindles, and the ability to accommodate up to 20 tools, making it ideal for simultaneous machining operations. With its compact design and versatile capabilities, the SW-20 excels in industries such as medical device manufacturing, aerospace, electronics, and automotive, where tight tolerances and intricate geometries are crucial.

This FAQ section addresses common inquiries about the SW-20’s features, capabilities, and applications, helping operators and potential buyers understand the machine’s full potential. If you don’t find the answer to your specific question here, please feel free to contact us for more detailed information or personalized assistance. 

What industries benefit the most from using SW-20 CNC Swiss-Type?

The SW-20 CNC Swiss-Type lathe is particularly beneficial for industries that require high-precision, small, complex parts. The main industries that benefit include:

These industries often require components with tight tolerances, intricate geometries, and high-quality finishes, which the SW-20 is well-suited to produce.

The SW-20 typically uses a combination of turning tools, power-driven tools for milling, drilling, and tapping, and B-axis tools for complex multi-angle operations. These versatile tooling options provide flexibility to perform various machining tasks efficiently.

The SW-20 CNC Swiss-Type lathe is capable of producing a wide range of small, complex parts with high precision. Some examples include:

  • Medical components such as surgical instruments, implants, and prosthetics
  • Aerospace parts like turbine blades, fuel system components, and hydraulic system parts
  • Electronics components including connectors, sensors, and micro switches
  • Automotive parts for engines, transmissions, and braking systems
  • Long, slender components like pins and shafts with tight tolerances

The machine excels at producing parts with diameters up to 20mm, complex geometries, and tight tolerances, often achieving accuracies within ±0.0002″ to ±0.0005″.