The experts in internal and radius grinding.
S121 Radius
Basic Data

The S121 is a radius internal cylindrical grinding machine. It is the ideal machine for internal, face and external grinding of chuck components. The maximum swing diameter is 300mm (25.6") and the maximum workpiece weight is 100kg (220lbs).

The radius internal cylindrical grinding machine is especially suitable for grinding complex workpieces from very hard materials such as tungsten carbide, ceramics and sapphire as well as for general grinding tasks. It has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, a fully automatic B-axis with direct drive, etc.

Images
Hardware / Software

Hardware:

  • Granitan® S103 mineral casting machine base
  • StuderGuide® guideway system with linear drive
  • Fully automatic B-axis with direct drive with a swiveling range from -20° to +91°
  • Spindle turret with two grinding spindles or one fixed spindle or two spindles in parallel
  • C-axis for the workhead for form and thread grinding
  • Full enclosure with two sliding doors

Software:

  • Simple to use and program thanks to HMI StuderSim
  • StuderSIM programming and simulation software for the creation and simulation of grinding and dressing programs on the machine control or on an external PC
  • 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 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 180 °
Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 0 - 300 mm
Workpiece Diameter 0 - 300 mm
Max. Workpiece Weight 100 kg
Center Height 150 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 10 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 180 deg
Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 0 - 11.8 inch
Workpiece Diameter 0 - 11.8 inch
Max. Workpiece Weight 220 lbs
Center Height 5.9 inch
Downloads
pdf, 3 MB
Product brochure
S121 - The experts in internal and radius grinding.
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pdf, 4 MB
StuderControl
Automatic control measurements directly on the machine
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