The reasonably priced machine for diverse internal grinding applications.
Basic Data

The S121 is a universal internal cylindrical grinding machine for medium-sized workpieces in individual and small batch production. The reasonably priced universal machine has a swing diameter of 400 mm.

It is the ideal machine for internal, surface and external grinding of chuck components. The S121 has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, a swivel-in dressing unit, etc.

Images
Hardware / Software

Hardware:

  • StuderGuide® guide system with linear drive
  • Spindle turret with two grinding spindles or one fixed spindle
  • C axis for the workhead enabling form and thread grinding
  • Full enclosure with two sliding doors
  • Granitan® S103 mineral casting machine base

Software:

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

Spindle drive

Max. Spindle Power 18 kW
Max. Number Of Revolutions 120'000 /min
Max. Grinding Wheel Diameter 300 mm
Max. Grinding Wheel Width 32 mm

Swiveling Axes

Swiveling Range B 180 °
Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 0 - 300 mm
Workpiece Diameter 0 - 360 mm
Max. Workpiece Weight 100 kg
Center Height 200 mm

Linear Axes

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

Spindle drive

Max. Spindle Power 24 hp
Max. Number Of Revolutions 120'000 rpm
Max. Grinding Wheel Diameter 12 inch
Max. Grinding Wheel Width 1.3 inch

Swiveling Axes

Swiveling Range B 180 deg
Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 0 - 11.8 inch
Workpiece Diameter 0 - 15.7 inch
Max. Workpiece Weight 220 lbs
Center Height 7.9 inch
Downloads
pdf, 3 MB
Product brochure
S121 - The reasonably priced machine for diverse internal grinding applications.
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pdf, 4 MB
StuderControl
Automatic control measurements directly on the machine
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