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Information

Star GB SB-12RII

The SB-12RII delivers enhanced productivity, precision and versatility in a compact sliding head lathe. Featuring high spindle speeds, powerful main and sub spindles, and advanced control technology, it provides reliable performance for precision machining applications. Capable of machining components up to 13mm in diameter, the SB-12RII combines impressive capabilities with a space-saving design.

Offering a total of 7 axes, the SB-12RII features 7 turning tools, 5 drilling positions and a combination of fixed and modular power-driven tooling stations. Four backworking stations enable efficient machining of complex components, while the ability to switch between guide bush and non-guide bush modes provides greater flexibility for different production requirements.

Star SB-12RII

WORKPIECE

DIAMETER Diameter 13mm
LENGTH Length 205mm / 50mm
GEOMETRY Geometry
C AXIS C Axis MAIN + SUB SPINDLE

Key Features

  • Maximum machining diameter 13MM
  • Maximum Z1 stroke of 205MM in Swiss mode (Guide Bush)
  • Switchable between guide bush and non-guide bush modes
  • Main spindle speed 15,000 RPM & sub spindle 12,000 RPM
  • C-axis control on main and sub spindles
  • 7 turning tool positions
  • 2 power-driven cross-working stations + 3 modular stations
  • Step Cycle Pro chip-breaking technology
  • ECO Mode energy saving function

Specification

MAIN SPINDLE SIDE
Number of axes7
Main spindle (headstock)Z1 / C1 axis
main spindle platenX1 / Y1 axis
Max. machining diameter13 mm
headstock stroke205 mm / 50 mm (NGB)
Main spindle power3.7 kW
main spindle speed15,000 rpm
Main Spindle Tooling
Turning tool7 tools @ 10 mm sq
DRILLING ARM SLEEVE HOLDER CAPACITY5 x Ø 22 MM SLEEVES (ER16)
Power Driven Tool (PDT) Positions2 + 3 MODULAR STATIONS
Max (PDT) Speed12,000 RPM
KINEMATIC DIAGRAM
Star SB-12RII - Kinematic Diagram
SUB SPINDLE SIDE
Sub spindleX2 / Z2 / C2 axis
Max. chucking diameter13 mm
sub spindle power2.2 kW
sub spindle speed12,000 rpm
sub spindle tooling
back-working platen positions4
FMBBAR FEED DIMENSION A (MM)
Micromag 08-203415 (1.6M)5015 (3.2M)6015 (4.2M)
Minimag 2-203415 (1.6M)5015 (3.2M)6015 (4.2M)
Turbo RS 2-203215 (2.2M)4215 (3.2M)5215 (4.2M)
Turbo RS 3-383320 (2.2M)4320 (3.2M)5320 (4.2M)
Star GB SB-20RII - Dimensions

More information

More Information - Accessories More Information - Technical Review More Information - Configurations