• Home
  • Product Information
  • Download
  • Technical Specifications
  • Corporate Information
  • Investor Relations
  • Contact Us

SR-20J type N

Optimum performance to the needs of times.

SR-20J type N
  • Sliding-head stock
  • Eco
  • Slanted dovetail Y-axis
  • NGB

Features

  • Cost reduction by reducing the remnant bar length
  • A control system and high-speed feed to reduce dramatically non-cutting time
  • A structure of high rigidity thanks to Star original design

Tool Post

  Tool Post Tooling
Turning tool 6 tools
Front-end working tool 6 tools
Rear-end working tool 4 tools
Power-driven tool 3-10 tools
Back 4-spindle unit 4 tools(6 tools:OP)
Stationary tool max.4 tools
Powered tool max.6 tools

Specifications

Item SR-20J typeN
Max.machining diameter ø20mm(25/32in)
Max.headstock stroke Bar diameter ×2.5 (max.55mm)
Turning tools Number of turning tools 6 tools
Tool shank □12mm×100-135mm
□12.7mm×100-135mm
4-spindle sleeve holder Number of tools Front 4 tools
Rear 2 tools(max.4 tools)
Max.drilling capability ø10mm(25/64in)
Max.tapping capability M8×P1.25
Power-driven att. Number of tools 3-10 tools:(option is included)
Max.drilling capability ø8mm(5/16in)
Max.tapping capability M6×P1.0
Max. milling capability ø10mm(25/64in)
Max. slotting capability 1.5mm(W)×4mm(D)
Rapid feed rate 35mm/min(X,Y,Z,XB,ZB),198,000°/min(c)
Main spindle indexing angle C-axis control
Main spindle speed max.10,000min-1
Main spindle motor 2.2kw(Continuous)/3.7kw(15min./60%ED)
Double sleeve holder for deep hole Number of tools 2 tools
Max.drilling capability ø8mm(5/16in)
Max.depth of hole 100mm(3-15/16in)
Power-driven att. spindle speed max.8,000min-1
Power-driven att. drive motor 1.2kw
Coolant tank capacity 170ℓ
Dimensions (W×D×H) 2,250×1,200×1,700mm
Weight 2,200kg
Power consumption 5.0KVA

Backworking Attachment

Item SR-20J typeN
Max.chucking diameter ø20mm(25/32in)
Max.length for front ejection 80mm(3-5/32in)
Max.parts projection length 30mm(1-11/64in)
4-spindle backworking unit Number of tools 4-6 tools:OP
Max.drilling capability Stationary tool ø8mm(5/16in)
Power-driven tool ø5mm(3/16in)
Max.tapping capability Stationary tool M8×P1.25
Power-driven tool M4×P0.7
Sub spindle indexing angle C-axis control/15°:OP
Sub spindle speed max.8,000min-1
Sub spindle motor 1.5kw(Continuous)/2.2kw(15min.150%ED)
(Questions & Inquiries)
Thank you for using Star Micronics products.
Contact Us

PAGE TOP