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Information

Star GB SB-20R Type G

The SB-20R Type G offers impressive machining versatility within a compact footprint. The SB series main spindle platen includes six turning tools, two fixed high-speed ER11 spindles for cross working plus a further three modular cross power driven stations that accept a variety of cartridge attachments.

The flexibility of the SB-20R Type G is further enhanced by its ability to switch between guide bush mode (Swiss type) and non-guide bush mode.

The fully independent sub-spindle with C axis control coupled with driven tool capability across all four back working stations further enhances the machining capability of the SB series.

Star SB-20R Type G

WORKPIECE

DIAMETER Diameter 20mm / 22.2mm (OPT)
LENGTH Length 205mm / 50mm
GEOMETRY Geometry
C AXIS C Axis MAIN + SUB SPINDLE

Benefits

  • Standard machining diameter 20mm (22.2mm optional)
  • Maximum Z1 stroke of 205mm in Swiss mode (Guide Bush)
  • Switchable between guide bush and non-guide bush modes
  • Main spindle speed 10,000 rpm, sub-spindle speed 9,000 rpm
  • C-axis control on main and sub spindles
  • Up to 7 power tools on main spindle
  • 4 Back-working power tools available
  • Fully independent sub spindle for maximum overlapping
  • 3 Modular (cartridge) stations on main platen

Specification

MAIN SPINDLE SIDE
Number of axes7
Main spindle (headstock)Z1 / C1 axis
main spindle platenX1 / Y1 axis
Max. machining diameter20 mm / 22.2 mm (option)
headstock stroke (swiss type / ngb mode)205 mm / 50 mm
Main spindle power3.7 kW
main spindle speed10,000 rpm
Main Spindle Tooling
Turning tool6 tools @ 12 mm sq
DRILLING ARM SLEEVE HOLDER CAPACITY4 x Ø 22 MM SLEEVES (ER16)
Power Driven Tool (PDT) Positions2 + 3 MODULAR STATIONS
mAx (PDT) Speed10,000 RPM (ER11) / 6,000 RPM (ER16)
KINEMATIC DIAGRAM
Star SB-20R Type G - Kinematic Diagram
SUB SPINDLE SIDE
Sub spindleX2 / Z2 / C2 axis
Max. chucking diameter20 mm / 22.2 mm (option)
sub spindle power1.1 kW
sub spindle speed9,000 rpm
sub spindle tooling
back-working platen positions4
max drill sleeve capacityER16
power driven tool (pdt) positions4 (ER16)
MAX (PDT) SPEED8,000 RPM
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 2-203215 (2.2M)4215 (3.2M)5215 (4.2M)
Turbo 3-363320 (2.2M)4320 (3.2M)5320 (4.2M)
Star GB SB-20R Type G - Dimensions

More information

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