Sigma 20/6

Single-spindle automatic turning machine with sliding headstock and NC. Capacity up to 20 (25.4) mm

Operators can get to grips with the Sigma 20/6 turning machine very quickly thanks to the use of original solutions combined with proven technology.

Main features:

  • Mirror image kinematic
  • Setting, adjustments 100% numerical
  • 2 independent tool slides with fully compatible and interchangeable tooling
  • High productivity.
  • Identical headstock and counter spindle.
  • Independent roughing tool
  • High power for high depth of cuts and large chip removal
  •  Identical heavy duty machine construction, for main and counter operation
  • The only Swiss type sliding headstock machine being able to produce parts using the machining parameters of a fixed headstock machine.
  • Machine construction verified by stress analysis
  • Up to 28 tool positions.
  • Tool settings all done numerically.
  • Thanks to a roughing tool, it is possible to have up to 3 tools in the cut simultaneously.

Technical specifications

Sigma 20/6

Linear axes

6

Independent tool systems

2

Max. bar capacity

25,4 mm

Max bar capacity without preparation

20 mm

Standard workpiece length with rotating guide bush

200 mm

Spindle rotational speed

10’000 t/min

Spindle power

3,7 (5,5) kW

Counter spindle rotational speed

10’000 t/min

Counter spindle power

3,7 (5,5) kW

Rotating tool speed of rotation

10000 t/min

Rotating tool power

1,5 (2,2) kW

Max. total number of tools

28

Max. total number of rotating tools

12

Control type

FANUC 31i

Programming software

TB-DECO/ISO