SW-12RII
CNC Swiss-type Automatic Lathe

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The SW-12RII is a high-precision Swiss-type CNC lathe engineered for small part production, delivering superior accuracy and efficiency. With spindle speeds up to 15,000 RPM and 8 programmable axes, this lathe provides enhanced flexibility for complex machining operations. Its compact design accommodates parts up to 12mm in diameter, making it ideal for industries like electronics and medical device manufacturing. The B-axis tooling allows for intricate milling, drilling, and tapping operations, while the machine’s advanced FANUC control system ensures smooth operation and precision.

15,000 RPM | 12 mm Bar Capacity | 8 Axis | B-Axis Tooling for Enhanced Operations

Lathe

SW-12RII lathe Machine Specifications and Accessories Overview

The SW-12RII CNC Swiss-Type Automatic Lathe is built for precision and efficiency in small-part production. Equipped with 8 programmable axes and capable of spindle speeds up to 15,000 RPM, this machine is ideal for handling complex machining operations, including turning, milling, drilling, and tapping. With a 12mm bar capacity and advanced features like B-axis tooling and a high-pressure coolant system, the SW-12RII offers flexibility and enhanced performance for intricate part production. The machine’s compact design and rapid traverse speeds ensure fast and accurate machining, making it a perfect solution for industries that demand high-precision components, such as electronics and medical devices. Below, all standard specifications are covered for a comprehensive understanding of the SW-12RII. Contact us today for a custom quote to see how the SW-12RII can boost your operations. 

  • Max. Machining Diameter

    ø13mm (33/64in)

  • Max. Headstock Stroke

    STANDARD
    135mm (5-5/16in)

    WITH R.M.G.B
    95mm (3-47/64in) :OP

    NON-GUIDE BUSH TYPE
    Bar diameterx2.5 (Max. 30mm) (Max.1-3/16in)

  • Tool Post Configuration

    FRONT
    Turning tool + Power-driven tool


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

  • Tools

    NUMBER OF TOOLS
    Front 5 tools
    Rear 2 tools

    TOOL SHANK
    ø10mm

  • 4-Spindle Sleeve Holder

    NUMBER OF TOOLS
    Front 4 tools
    Rear 4 tools

    MAX. DRILLING CAPABILITY
    ø8mm (5/16in)

    MAX. TAPPING CAPABILITY
    M8 x P1.25

  • Power Driven Att.

    NUMBER OF TOOLS
    Front: 3 pos.
    Rear: 3 pos.

    MAX. DRILLING CAPABILITY
    ø5mm (3/16in)

    MAX. TAPPING CAPABILITY
    M4 x P0.7

    SPINDLE SPEED
    Max. 12,000min-1

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

  • Rapid Feed Rate

    35m/min (X2, Y1, Y3, Z1, Z2)
    24m/min (X1,X3), 15m/min(Y2)

  • Main Spindle Indexing Angle

    C-axis control

  • Main Spindle Speed

    Max. 15,000min-1

  • Main Spindle Motor

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

  • Coolant Tank Capability

    139ℓ

  • Dimensions (W x D x H)

    1,995 x 920 x 1,700mm

  • Center Height

    1,090mm

  • Weight

    2,100kg

  • Power Consumption

    4.4KVA

  • Max. Chucking Diameter

    ø13mm (33/64in)

  • Max. Length For Front Ejection

    80mm (3-5/32in)

  • Max. Parts Projection Length

    20mm (25/32in)

  • 8-Spindle Backworking Unit

    NUMBER OF TOOLS
    Stationary tool: Max. 8 tools
    Power driven tool: Max. 8 tools

    MAX. DRILLING CAPABILITY
    Stationary Tool: ø8mm (5/16in)
    Power-Driven Tool: ø5mm (3/6in)

    MAX. TAPPING CAPABILITY
    Stationary Tool: M6 x P1.0
    Power Driven Tool: M4 x P0.7

  • Power-Driven Att. Spindle Speed

    Max. 12,000min-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. 15,000min-1

  • Sub Spindle Motor

    2.2kw (continuous) / 3.7kw (10min./40%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
  6. Door interlock system
  7. Broken cut-off tool detector
  8. Parts ejection detector
  9. Drive unit for revolving guide bush
  10. Revolving guide bush unit
  11. Cs contouring control (main/sub)
  12. Spindle clamp unit (main/sub)
  13. Main/Sub collet
  14. 5-station tool holder (10mm)
  15. 2 station tool holder (10mm)
  16. Drive unit for power-driven attachment (front/rear)
  17. 4-spindle sleeve holder
  18. 8-spindle backworking unit with Y axis control function
  19. Drive unit for power driven attachment (8-spindle backworking unit)
  20. Air purge unit for revolving guide bush
  21. Sub spindle air purge unit
  22. Automatic bar feeder interface
  23. RS-232C interface
  24. Work light
  25. Leakage breaker
  1. Coolant flow detector
  2. Water removal unit
  3. Beacon
  4. Rotary magic guide bush unit
  5. For pneumatic unit rotary magic guide bush
  6. Guide bush mount
  7. Parts conveyor
  8. Parts receptacle
  9. Parts separator unit A
  10. Main spindle inner tube
  11. Sub spindle air blow unit
  12. Parts ejector (Spring type)
  13. Parts ejector (Air cylinder type)
  14. Parts ejector with guide tube
  15. Parts stopper unit
  16. Coolant unit (6.9MPa/2.5MPa/0.7MPa)
  17. Coolant unit signal cable
  18. Coolant unit power cable
  19. Coolant valve
  20. Coolant pipings
  21. Transformer
  22. Transformer CE marking version
  23. Cable for CE marking version
  24. CE marking version

SW-12RII

Discover the power of the SW-12RII CNC Swiss-type Automatic Lathe! Download our brochure to learn about its features and specifications. If you have questions or need more info, just submit your request, and our team will help you. Elevate your production with the SW-12RII!

How Can the SW-12RII Improve Your Machining Process?

Process

The SW-12RII CNC Swiss-type Automatic Lathe is engineered to enhance your machining process by offering precision, speed, and versatility. With a maximum machining diameter of ø13mm and a headstock stroke of up to 135mm, this lathe is ideal for producing small, intricate parts with high accuracy.

Its tool post configuration includes both front and rear turning tools, along with power-driven tools, allowing for complex operations without frequent tool changes. The machine’s rapid feed rate of up to 35m/min and a main spindle speed of 15,000min-1 ensure efficient and swift production cycles. additionally, the SW-12RII is equipped with a robust main spindle motor and a comprehensive set of standard and optional accessories, such as a coolant unit and parts ejection detectors, which further streamline operations and reduce downtime.

The integration of advanced features like C-axis control for both main and sub spindles enhances the machine’s capability to perform intricate machining tasks with precision. By incorporating the SW-12RII into your production line, you can achieve higher productivity, reduced cycle times, and superior quality in your machined components.

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-12RII CNC Swiss-type Automatic Lathe

FAQ

The SW-12RII CNC Swiss-type Automatic Lathe is a high-precision machining tool designed for complex operations on small diameter workpieces. This versatile machine features independently controlled, opposing gang-type tool posts for simultaneous machining, high-speed spindles (15,000 rpm), and 29 tool positions to accommodate a wide range of machining demands. With its ability to switch between guide bush and non-guide bush modes, 10-axis capability, and an 8-station back working platen with Y-axis control, the SW-12RII offers exceptional flexibility and efficiency.

It’s particularly well-suited for industries requiring high-precision, small components such as automotive, medical, aerospace, and electronics. This FAQ section aims to address common questions about the SW-12RII’s features, capabilities, and applications, helping users and potential buyers make informed decisions about this advanced machining solution.If you can’t find the answer to your question here, please don’t hesitate to contact us for further assistance! 

What industries benefit most from using the SW-12RII?

The SW-12RII CNC Swiss-type Automatic Lathe is particularly beneficial for industries that require high-precision machining of small diameter workpieces, including automotivemedical device, manufacturing, aerospace, and electronics. In the automotive sector, it excels in producing precision components like micro-axles and parts for injection systems. The medical industry benefits from its ability to create intricate devices and components, while aerospace applications demand the high accuracy this machine provides for small parts. Additionally, the electronics sector relies on the SW-12RII for manufacturing detailed electronic components. Its advantages include superior accuracy for complex parts, versatility in switching between guide bush and non-guide bush modes, and efficient simultaneous machining capabilities that reduce cycle times. With a compact size (1995 x 920 x 1700mm) suitable for limited spaces and high-speed machining capabilities of up to 15,000 rpm, the SW-12RII is invaluable across these industries where precision, efficiency, and adaptability are paramount.

The SW-12RII CNC Swiss-type Automatic Lathe offers several key features that make it a versatile and efficient machine for precision machining:

  1. Versatile Tooling: The lathe is designed with a variety of tooling options to enable a broad range of complex machining operations
  2. Simultaneous Machining: It features independently controlled opposing gang-type tool posts that allow for simultaneous machining on the main spindle, reducing cycle times
  3. Back Working Capability: An 8-station back working platen with Y-axis control enables complex operations to be carried out independently
  4. Convertible Design: The SW-12RII can switch between guide bush (Swiss-type) and non-guide bush modes, making it suitable for both short and long workpieces
  5. High-Speed Machining: Both the main and sub-spindles can operate at speeds up to 15,000 rpm
  6. Multiple Axes: The machine features 10 axes in total, providing enhanced flexibility and precision in machining operations
  7. Compact Size: With dimensions of 1995 x 920 x 1700mm, it has a relatively small footprint, making it suitable for facilities with limited space
  8. Advanced Control System: It uses a FANUC 31i-B5 control system with an electronic handwheel for precise control
  9. C-Axis Control: Standard C-axis control on both main and sub-spindles allows for complex contouring operations

These features make the SW-12RII particularly well-suited for industries requiring high-precision, small-diameter parts with complex geometries.

The SW-12RII CNC Swiss-type Automatic Lathe significantly improves productivity in aerospace manufacturing through a combination of advanced features. Its independently controlled, opposing gang-type tool posts enable simultaneous machining operations, while high-speed spindles (up to 15,000 rpm) facilitate efficient production of small, precision parts.

The machine’s versatile tooling system, with 29 tool positions, accommodates complex machining demands typical in aerospace applications. With 10 axes in total, including an 8-station back working platen with Y-axis control, the SW-12RII offers enhanced flexibility and precision for intricate components. The ability to switch between guide bush and non-guide bush modes optimizes the machine for both long and short workpieces, increasing its versatility.

These features, coupled with the lathe’s overall design for improved functionality, precision, and accuracy, allow aerospace manufacturers to reduce cycle times, increase machining flexibility, and maintain the high precision required for aerospace components, ultimately boosting overall productivity in this demanding industry. 

The SW-12RII CNC Swiss-type Automatic Lathe offers advanced simultaneous machining capabilities on the main spindle through several key features:

  1. Opposing Tool Posts: The machine is equipped with independently controlled, opposing gang-type tool posts that work in unison to carry out simultaneous machining operations
  2. Multiple Axes: The SW-12RII features 10 axes in total, providing enhanced flexibility for complex machining tasks
  3. Main Spindle Configuration: The main spindle side includes X1, Y1, X3, and Y3 axes, allowing for multi-axis simultaneous machining
  4. Tooling Options: On the main spindle, there are 7 turning tools (10mm square), 4 drilling arm sleeve holders (ER16), and 6 power-driven tool positions
  5. High-Speed Machining: The main spindle can operate at speeds up to 15,000 rpm, enabling efficient simultaneous machining operations
  6. Power and Control: The main spindle is powered by a 3.7 kW motor and features C-axis control for precise positioning during simultaneous machining tasks

These features allow the SW-12RII to perform various operations like turning, cross drilling, and other complex machining tasks simultaneously on the main spindle, significantly reducing cycle times and increasing overall productivity