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Star SR-20J

The SR-20J provides high performance and flexibility with numerous tooling attachments to suit the main and sub-spindle platens. The high specification Fanuc 31iB control is packed with functions that ensure programming, setting and overall machine management is simple and undemanding.

A total of up to 30 cutting tools are available including 14 power-driven tools for cross drilling, milling, slotting and angular hole machining. The deep drilling stations allow holes up to 10mm diameter by 100mm deep to be machined on the main spindle.

The independent sub spindle has a fully programmable C axis. Polar co-ordinate control is also included as standard, allowing profiles such as hexagons and squares to be machined in overlap.

Star SR-20J

WORKPIECE

DIAMETER Diameter 20mm / 22.2mm (OPT)
LENGTH Length 205mm
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)
  • Main spindle speed 10,000 rpm, sub-spindle speed 8,000 rpm
  • High specification F31iB control
  • C-axis control on main and sub-spindles
  • 4 Back-working power tools available
  • 2 Modular (cartridge) stations on main platen
  • Fully independent sub spindle for maximum overlapping
  • Two independent deep hole drilling stations (main spindle)

Specification

MAIN SPINDLE SIDE
Number of axes7
Main spindle (headstock)Z1 / C1 axis
Tool postX1 / Y1 axis
Max. machining diameter20 mm / 22.2 mm (option)
headstock stroke (swiss type / ngb mode)205 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) POSITIONS3 + 2 MODULAR STATIONS
MAX (PDT) SPEED8,000 rpm
KINEMATIC DIAGRAM
Star SR-20J - Kinematic Diagram
SUB SPINDLE SIDE
Sub spindleX2 / Z2 / C2 axis
Max. chucking diameter20 mm / 22.2 mm (option)
sub spindle power2.2 kW
sub spindle speed8,000 rpm
sub spindle tooling
back-working platen positions4
max drill speed 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 SB-20R Type G - Dimensions

More information

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