The universal machines for a broad range of internal cylindrical grinding applications.
Basic Data

The S131 is a CNC universal internal cylindrical grinding machine of the latest generation. The swing diameter above the workpiece table is 250 mm (9.8"), and the maximum workpiece length (including clamping device) is 300 mm (11.8").

The compact machine shows its strength with flange parts and smaller workpieces of all types. It has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, extremely fast direct drive of the grinding spindle turret, automatic swiveling of the workpiece table etc.

Images
Hardware / Software

Hardware:

  • StuderGuide® guide system with linear drive
  • Grinding spindle turret with up to four grinding spindles
  • Automatically swiveling workpiece table
  • C-axis for workhead spindle for form and thread grinding
  • Full enclosure with two sliding doors
  • Granitan® S103 mineral casting machine base
  • C.O.R.E. Panel

Software:

  • C.O.R.E. OS operating system
  • Very simple operation and programming thanks to StuderWIN
  • Short setup and resetting times e.g. with STUDER Quick-Set
  • Standardized interfaces for loader and peripheral devices
Technical Data
kg / cm
lb / inches

Linear Axes

Max. Travel X 350 mm
Max. Travel Speed X 20'000 mm/min
Max. Travel Z 400 mm
Max. Travel Speed Z 20'000 mm/min

Spindle drive

Max. Spindle Power 15 kW
Max. Number Of Revolutions 120'000 /min
Max. Grinding Wheel Diameter 250 mm
Max. Grinding Wheel Width 25 mm

Swiveling Axes

Swiveling Range B 330 °
Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 300 mm
Workpiece Diameter 250 mm
Max. Workpiece Weight 100 kg
Center Height 125 mm

Linear Axes

Max. Travel X 13.8 inch
Max. Travel Speed X 787 inch/min
Max. Travel Z 15.7 inch
Max. Travel Speed Z 787 inch/min

Spindle drive

Max. Spindle Power 20 hp
Max. Number Of Revolutions 120'000 rpm
Max. Grinding Wheel Diameter 10 inch
Max. Grinding Wheel Width 1 inch

Swiveling Axes

Swiveling Range B 330 deg
Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 11.8 inch
Workpiece Diameter 9.8 inch
Max. Workpiece Weight 220 lbs
Center Height 4.9 inch
Downloads
pdf, 3 MB
Product brochure S131
S131 - The universal machines for a broad range of internal cylindrical grinding applications.
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pdf, 615 KB
StuderControl
Automatic control measurements directly on the machine
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