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SR-38 Type A/B 10-Axis CNC Swiss-type Automatic Lathe

Star CNC technology revolutionizes complex machining for manufacturing industries, including aircraft, automotive, medical, and others

  • Rigid machine construction handles bar stock up to 1-1/2” (1.500) diameter
  • Built-in main- and sub-spindles and high tool post rigidity ensure exceptional accuracy
  • Designed for two-tool turning, heavy material removal, and/or rough and finished tooling
  • 8-spindle backworking unit for complex parts production in one operation with the precision and accuracy required by quality critical applications
  • SR-38 Type B features B-axis versatility
  • Proprietary Motion Control System significantly reduces idle machine time
  • Environmentally-friendly low energy consumption

  • Max. Machining Diameter

    Ø38mm (1-1/2in)

  • Max. Headstock Stroke

    WITH R.G. B. UNIT
    320mm(12-19/32in)

    WITH R.M.G.B. UNIT
    288mm(11/32in) : OP

  • Tool

    5 tools on the front (stationary type) + 2 tools on the rear (X3 axis control)

  • 5-Spindle Sleeve Holder

    NUMBER OF TOOLS
    Front 5 tools
    Rear 5 tools

    MAX. DRILLING CAPABILITY
    Ø23mm (29/32 in)

    MAX. TAPPING CAPABILITY
    M16 x P2.0

  • Power Driven Att.

    CROSS MILLING
    4 tools

    CARTRIDGE TYPE
    At 2 position

    NUMBER OF TOOL (TYPE A)
    Angle adjustable power-driven tool At 1 position (front 3 tools + rear 3 tools)

    NUMBER OF TOOLS (TYPE B)
    B-axis controlled power-driven tool unit At 1 position (front 3 tools + rear 3 tools)

    MAX. DRILLING CAPABILITY
    Ø10mm (25/64in)

    MAX. TAPPING CAPABILITY
    M8 x P1.25

    SPINDLE SPEED
    Max 6,000min-1

    Drive Motor
    2.2kw

  • Rapid Feed Rate

    36m/min(X1, Y1, Z1, X2, Z2), 24m/min (Y2,X3)

  • Main Spindle Indexing Angle

    C-axis control

  • Main Spindle Speed

    Max. 7,000min-1

  • Main Spindle Motor

    7.5kw (continuous) / 11kw (10min./25%ED)

  • Coolant Tank Capability

    253ℓ

  • Dimensions (Width x Depth x Height)

    2,740 x 1,315 x 2,120mm

  • Weight

    4,300kg

  • Power Consumption

    15.9 KVA

  • Max. Chucking Diameter

    Ø38mm (1-1/2 in)

  • Max. Length For Front Ejection

    150mm (5-7/8in)

  • Max. Parts Projection Length

    70mm (2-3/4in)

  • Back 8-Spindle Unit

    NUMBER OF TOOLS
    8 tools

    MAX. DRILLING CAPACITY
    Stationary Tool
    Ø14mm (35/64in)

    Power-Driven Tool
    8 tools

    MAX. TAPPING CAPACITY
    Stationary Tool
    M12 x P1.75

    Power-Driven Tool
    M6 x P1.0

  • Power-Driven Att. Spindle Speed

    Max. 6,000 -1

  • Power-Driven Att. Drive Motor

    1.0kw

  • Sub Spindle Indexing Angle

    C-axis control

  • Sub Spindle Speed

    Max. 7,000min-1

  • Sub Spindle Motor

    3.7kw (continuous) / 5.5kw (10min./40%ED)

  1. CNC unit Fanuc 31i-B (Type A) and CNC unit Fanuc 31i-B5 (Type B)
  2. Operation Panel 10.4 inch color LCD Display
  3. Pneumatic unit
  4. Hydraulic unit
  5. Automatic centralized lubrication unit
  6. Coolant level detector
  7. Door interlock system
  8. Broken cutoff tool detector
  9. Drive unit for revolving guide bush
  10. Revolving guide bush unit
  11. Main/Sub collet
  12. C-axis control (main/sub)
  13. Spindle clamp unit (main/sub)
  14. 5-Station tool holder (16/20mm)
  15. 2-Station tool holder (16mm)
  16. 5-Spindle sleeve holder
  17. Main tool post tool rotation drive unit
  18. Cross milling tool unit (4-tool type)
  19. Angle adjustable 3-Spindle opposing unit (Type A)
  20. 3-Spindle opposing unit with B axis control (Type B)
  21. Back working attachment
  22. 8-Spindle back working unit with Y-axis control function
  23. 8-Spindle back working unit power tool drive
  24. Parts conveyor
  25. Air purge for revolving guide bush
  26. Air purge for sub spindle
  27. Work light
  28. Leakage breaker
  1. Coolant flow detector
  2. Parts ejection detector
  3. Water removal unit
  4. Beacon
  5. Chip conveyor
  6. Rotary magic guide bush unit
  7. For pneumatic unit rotary magic guide bush
  8. Main spindle inner tube
  9. Parts ejector (Air cylinder type)
  10. Parts ejector (Spring type)
  11. Parts ejector with guide tube
  12. Parts stopper unit
  13. Coolant unit (6.9MPa / 2.5MPa / 0.7 MPa)
  14. Coolant unit signal cable
  15. Coolant unit power cable
  16. Coolant valve (6.9 MPa / 2.5 MPa)
  17. Coolant pipings
  18. Automatic bar feeder interface
  19. Compliant with the RS-232C interface
  20. LAN interface
  21. Transformer CE marking version
  22. Transformer CE marking cable
  23. CE marking version