The flexible machine for grinding and turning operations.
Basic Data

The S242 is a flexible hard-fine machining centre for grinding, turning and milling operations on medium-sized workpieces. It has a distance between centres of up to 1000 mm. It can machine workpieces with a maximum weight of 60 kg.

The S242 combined machine tool ideally combines the technologies of cylindrical grinding and hard turning. Thanks to its design concept, it can easily cope with both processes. Consequently, it enables highly efficient hard fine machining of shafts and chucking components with a high manufacturing quality and production reliability, and is therefore the cost-optimal manufacturing method for machining high-precision hardened workpieces.

Hardware / Software

Hardware:

  • X axis: stroke 220 mm; vx 15 m/min; resolution 0,00001 mm
  • Z axis: stroke 850/1600 mm; vz 25 m/min;; resolution 0,00001 mm
  • 2 or 3 cross slides configured with either one external grinding spindle, up to 3 internal grinding spindles or a tool turret
  • Grinding spindle: 6,8 kW, vs 50 m/s; Position 0° or ± 25°; automatic balancing, grinding wheel diameter 400 x 50/63 mm
  • Rotating turret: 8/12 tool positions Option: driven tools for drilling and milling
  • Workhead: motor spindle 10,5 kW; 7500 rpm, adapter for center MT4; autom. chuck; chuck fixture DIN 55026 A4
  • W-axis (tailstock slide): Stroke 450/1050 mm; resolution 0,01 mm; vw 15 m/min
  • Tailstock version:
    - Barrel tailstock option: Barrel Ø 60 mm; Stroke 45 mm; Adaptor for centers MK4; Programmable clamping force
    - Synchronous tailstock option: 10.5 kW; 7500 rpm; Adaptor for centers MK4/ DIN 55026 A4; Programmable clamping force
  • In-process gauging: Length positioning, length and diameter measurements, multi-range in-process gauging with R-axis
  • Full enclosure with sliding door
  • Granitan® S103 mineral casting machine base
  • Large range of accessories

Software:

  • Extremely easy programming with StuderWIN on Fanuc 31i-A
  • StuderGRIND programming software for the creation of grinding and dressing programs directly on the machine control, or on an external PC
  • Standardized interfaces for loader and peripheral devices
  • CAM turning software
Technical Data
kg / cm
lb / inches

Linear Axes

Max. Travel X 220 mm
Max. Travel Speed X 15'000 mm/min
Max. Travel Z 850 mm
Max. Travel Speed Z 25'000 mm/min

Spindle drive

Max. Spindle Power 7 kW
Max. Number Of Revolutions 3'200 /min
Max. Grinding Wheel Diameter 406 mm
Max. Grinding Wheel Width 63 mm

Swiveling Axes

Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 0 - 400 mm
Workpiece Diameter 0 - 180 mm
Max. Workpiece Weight 60 kg
Distance Between Centers 400 mm
Center Height 125 mm

Linear Axes

Max. Travel X 8.7 inch
Max. Travel Speed X 590 inch/min
Max. Travel Z 33.4 inch
Max. Travel Speed Z 984 inch/min

Spindle drive

Max. Spindle Power 9.2 hp
Max. Number Of Revolutions 3'200 rpm
Max. Grinding Wheel Diameter 16 inch
Max. Grinding Wheel Width 2.5 inch

Swiveling Axes

Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 0 - 15.7 inch
Workpiece Diameter 0 - 7 inch
Max. Workpiece Weight 132 lbs
Distance Between Centers 15.7 inch
Center Height 4.9 inch

Linear Axes

Max. Travel X 220 mm
Max. Travel Speed X 15'000 mm/min
Max. Travel Speed Y 1'600 mm/min
Max. Travel Z 25'000 mm

Spindle drive

Max. Spindle Power 7 kW
Max. Number Of Revolutions 3'200 /min
Max. Grinding Wheel Diameter 406 mm
Max. Grinding Wheel Width 63 mm

Swiveling Axes

Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 0 - 800 mm
Workpiece Diameter 0 - 180 mm
Max. Workpiece Weight 60 kg
Distance Between Centers 800 mm
Center Height 125 mm

Linear Axes

Max. Travel X 8.7 inch
Max. Travel Speed X 590 inch/min
Max. Travel Speed Y 62.8 inch/min
Max. Travel Z 984 inch

Spindle drive

Max. Spindle Power 9.2 hp
Max. Number Of Revolutions 3'200 rpm
Max. Grinding Wheel Diameter 16 inch
Max. Grinding Wheel Width 2.5 inch

Swiveling Axes

Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 0 - 31.5 inch
Workpiece Diameter 0 - 7 inch
Max. Workpiece Weight 132 lbs
Distance Between Centers 31.5 inch
Center Height 4.9 inch

Linear Axes

Max. Travel X 220 mm
Max. Travel Speed X 15'000 mm/min
Max. Travel Z 1'600 mm
Max. Travel Speed Z 25'000 mm/min

Spindle drive

Max. Spindle Power 7 kW
Max. Number Of Revolutions 3'200 /min
Max. Grinding Wheel Diameter 406 mm
Max. Grinding Wheel Width 63 mm

Swiveling Axes

Swiveling Range C ∞ °

Workpiece Data

Workpiece Length 0 - 1'000 mm
Workpiece Diameter 0 - 180 mm
Max. Workpiece Weight 60 kg
Distance Between Centers 1'000 mm
Center Height 125 mm

Linear Axes

Max. Travel X 8.7 inch
Max. Travel Speed X 590 inch/min
Max. Travel Z 62.8 inch
Max. Travel Speed Z 984 inch/min

Spindle drive

Max. Spindle Power 9.2 hp
Max. Number Of Revolutions 3'200 rpm
Max. Grinding Wheel Diameter 16 inch
Max. Grinding Wheel Width 2.5 inch

Swiveling Axes

Swiveling Range C ∞ deg

Workpiece Data

Workpiece Length 0 - 39.4 inch
Workpiece Diameter 0 - 7 inch
Max. Workpiece Weight 132 lbs
Distance Between Centers 39.4 inch
Center Height 4.9 inch
Downloads
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Product brochure
S242 - The flexible machine for grinding and turning operations.
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