STAR SR-20J

Star
THE ADVANTAGES
The SR-20J – successor to the proven SR-20R II – has more power and additional machining possibilities in combination with a new design and improved working ergonomics and is excellent value for money.

• FANUC 31i-B control system
• C-axis control as standard on main and sub spindle
• completely independent backworking
• movable control panel
• 2 additional deep drilling stations

KINEMATICS & TOOLS
• 6 turning tools
• front and rear side each with 4 drilling tools
• 5 + α power-driven tools on the tool post)
• 4 + α power-driven tools for backworking
• 2 deep hole drilling stations
• 7 axes

Technical Data

  • SPECIFICATIONS
  • Diameter20 mm / 23 mm (option)
  • Length205 mm
  • C axisMain spindle
  • C axisSub spindle
  • KINEMATICS OF THE SR-20J
  • FRONT SIDE
  • Number of axes7
  • Main spindle (headstock)Z1 / C1 axis
  • Tool postX1 / Y1 axis
  • Max. machining diameter20 mm / 23 mm (option)
  • Max. headstock stroke (sliding head version)205 mm
  • Max. drive power3.7 kW
  • Max. main spindle speed10,000 rpm
  • Tools on the tool post
  • Turning tools6 tools (□ 12 mm)
  • Drilling tools (4-spindle sleeve holder)4 tools (Ø 22 mm sleeve)
  • Cross driven tools5 tools (ER16) (alternative 3 tools ER16 + 2 tools ER20)
  • Speed8,000 rpm
  • SUB SPINDLE
  • Sub spindleX2 / Z2 / C2 axis
  • Max. chucking diameter20 mm / 23 mm (option)
  • Max. drive power2.2 kW
  • Max. sub spindle speed8,000 rpm
  • Backworking tools
  • Drilling tools (4-spindle sleeve holder)4 tools (Ø 22 mm sleeve))
  • Drive unit (standard)4 tools (ER16)