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SR-38 Type 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

Machine Specifications

Specifications

Maximum capacity GB: 38 mm NON-GB: 42 mm
Number of Axis 10 X1, Y1, Z1, X2, Z2, Y2, X3, B1, C1, C2
Main spindle 7,000 RPM 11.0 kW / 7.5 kW (cont.)
Sub spindle 7,000 RPM 5.5 kW / 3.7 kW (cont.)

Control, capacity & movement MM/IN

Controller
Fanuc 31i-B5
Axes (Rapid Feed Rate)
X1, Y1, Z1, X2, Z2 (36 m/min)
Y2, X3 (24 m/min)
B1 (27,000 deg/min)
C1, C2 (198,000 deg/min)
Maximum Capacity
GB: 38 mm (1.5")
NON-GB: 42 mm (1.625")
Stroke
GB: 320 mm (12.6")
NON-GB: 95 mm (3.740")
Dimensions
3192 x 1315 x 2120 mm
(approx. 126" x 52" x 84")
Center Height
1150 mm
(45.276")
Weight
4300 kg
(9480 lbs)
Coolant Tank Capacity
360 L
(96 gal)

Spindle & power-driven tooling RPM/KW

Main Spindle
7,000 RPM
11.0 kW / 7.5 kW (cont.)
Power Driven Tools for Main
6,000 RPM
3.0 kW / 2.2 kW (cont.)
Sub Spindle
7,000 RPM
5.5 kW / 3.7 kW (cont.)
Power Driven Tool for Sub
6,000 RPM
1.2 kW / 1.0 kW (cont.)

Tool Layout

Standard Tool Layout Included

Work Holding
S38 (TF48) | S38 (STM38)
Type Layout
6-Station Tool Holder 16mm (5/8") | 20mm Cutoff
9-Spindle Cross Drill Unit
• 3-Spindle Tilting Drill Unit with B-axis ER16/ER11
• 4 x Built-in Milling Unit ER20
• 2 x Upper cartridge positions available
5-Position Sleeve Holder (32mm*2, 22mm*3)
• 2 x Drill Sleeve ER20 [67121]
• 3 x Drill Sleeve ER16 [30124]
8-Spindle Unit for Back Working with Drive Unit
• 2 x Drill Sleeve ER20 [10105]
• 2 x Drill Sleeve ER16 [10104]
• 4 x Cartridge positions available

Optional Tool Holders Options

Options for Main Side
Deep Hole Sleeve Holder
Drill Sleeves and Boring Bar Sleeves
Drilling/Milling Units
2-Spindle Front Drilling Unit
Thread Whirling Unit
Polygon Unit
Slotting Unit
Hobbing Unit
Options for Sub Side
Drill Sleeves and Boring Bar Sleeves
Drill Sleeves with Internal Coolant
Drilling/Milling Units
4x Speed Type Drilling Unit
Cross Drilling Unit (max 4)
Slotting Unit

Accessories

Standard Accessories Included

  • Guide Bushing / Non-Guide Bushing Conversion
  • Automatic Centralized Lubrication Unit with level detector
  • Pneumatic Unit
  • Hydraulic Unit
  • Spindle Cooling Unit
  • Extended Coolant Tank (95gallon) with Coolant Level Detector
  • Coolant Flow Detector [1C459]
  • Door Interlock System
  • Broken Cut-Off Tool Detector
  • C-axis Contour Control (for the main/sub spindles)
  • Spindle Clamp Unit (for the main/sub spindles)
  • Parts Ejector with Spring [1C478]
  • Parts Ejection Detector [1A409]
  • Parts Conveyor
  • Electronic Handwheel
  • Beacon Interface [1C428]
  • RS232C Interface with Cover [72803]
  • Automatic Bar Feeder Interface [1C461]
  • Automatic Bar Feeder Interface 2 [1C419]
  • Chip Conveyor Interface 20 Contacts Version [1C436]
  • Coolant Unit Signal Cable 46 Contacts Version [1C439]
  • Coolant Unit 0.7MPa (through Sub Spindle) [67418]
  • Coolant Unit Piping 0.7MPa [1C463]
  • Coolant Piping for Front Gang Tool Post [1C466]
  • Coolant Piping for Inner Gang Tool Post [1C485]
  • Coolant Piping for Back 8 Spindle Unit [1C468]
  • Coolant Piping for Tilting Head Unit [1C471]
  • Coolant Piping for Sleeve Holder [1C482]
  • Coolant Piping for Front Power Driven Tools [1C473]
  • Coolant Piping for Guide Bush [1C483]

Optional Accessories Options

  • Beacon Light
  • Main/Sub/Guide Bush Reductions Systems
  • Magic Guide Bushing Unit
  • JBS Flexible Guide Bushing Unit
  • Pneumatic Parts Ejector
  • Long Parts Ejector Guide Tube
  • Chiller Unit
  • High Pressure Pump
  • Mist Collector
  • Chip Conveyor
  • Fire Suppression System
  • Bar Feeders

Functions

Standard Functions Included

  • Control unit (FANUC Series 31i-B5)
  • Operation panel (10.4" color LCD display)
  • Number of control axes : 9 total (5 on Path1, 4 on Path2)
  • Synchronized axis control (X1/X3, Z1/Z2, C1/C2)
  • Synchronous rotation/phase control of Main & Sub Spindles
  • Cs contour control (Main & Sub Spindle)
  • Program storage : 8MB in total
  • Number of registerable programs : 1000 in total
  • Tool wear offset : 98 on each Path
  • Automatic collet adjustment function
  • Guide Bush / Non Guide Bush change function
  • Spare M code (4 pairs)
  • Increment system 1/10
  • Tool life management function
  • Cylindrical interpolation (G107)
  • Polar coordinate interpolation (G112)
  • Polygon machining (G251)
  • Helical interpolation
  • 3D coordinate conversion
  • Motion Control - Optimization
  • High Speed Smooth TCP

Optional Functions Options

  • HFT Chip Control Technology
  • SCP Chip Control Technology
  • Circular Thread Cutting
  • Flexible Synchronization Control