USED STUDER S31 LEAN CNC

One Studer S31 Lean CNC Cylindrical Grinder with Fanuc Series 21i-T Control, Machine New 2000, Rebuilt 2026 in Switzerland.

Centre height 175 mm
Distance between centers 650 mm
Workpiece weight on centers max. 80 kg
Grinding wheel right and left hand
Grinding wheel:
Diameter 500 mm
Width 63 mm
Bore 203 mm
Turret grinding tool holder for ext. and int. 2+1
Grinding wheel speeds:
from 1400 t/min
up to 3200 t/min
Rotatable grinding spindle head (b-axis) 1 °
Peripheral speed 50 m/s
Longitudinal slide:
Max. travel 800 mm
Transversal slide:
Max. travel 254 mm
Work piece spindle head:
speeds:
from 1 t/min
up to 1000 t/min
Typing speed 30 t/min
rotatable -15 / + 195 °
taper in spindle: MT 4
Required power 3 kW
Tailstock:
With micrometric adjustment
Taper in tailstock: 3 CM
Spindle stroke 35 mm
Spindle diameter 50 mm
Air connect 5 - 7 bar
Voltage 50 Hz 3x 380 Volt
Grinding spindle motor 7.5 kW
Total power required 32 kVA
Machine's weight about 5200 kg
Overall dimensions machine:
Length 3000 mm
Width 2200 mm
Height 2100 mm
Various accessories:
Touch probe MARPOSS
Internal grinding attachment:
Number of spindles 1
Grinding wheel speeds:
up to 30000 t/min
Lamp
RS-232 Interface
Notes:
Machine refurbished 2026
Specifications Subject to Buyer Confirmation