| Manufacturer | STUDER |
|---|---|
| Model | S 31 LEAN CNC |
| Year | 2000 |
| Location | Switzerland
|
The STUDER S 31 LEAN CNC is a CNC cylindrical grinder designed for precision grinding tasks. Manufactured in 2000, this machine is equipped with a FANUC Series 21i-T control system, ensuring reliable and accurate operation. It features a centre height of 175 mm and a distance between centres of 650 mm, accommodating workpieces weighing up to 80 kg on centres.
The grinder is fitted with grinding wheels on both the right and left hands, each with a diameter of 500 mm, width of 63 mm, and bore of 203 mm. The turret grinding tool holder supports both external and internal grinding tools with a configuration of 2+1. Grinding wheel speeds range from 1400 to 3200 revolutions per minute, with a peripheral speed of 50 m/s. The grinding spindle head is rotatable by 1° on the b-axis.
The machine's longitudinal slide offers a maximum travel of 800 mm, while the transversal slide provides 254 mm of travel. The workpiece spindle head operates at speeds from 1 to 1000 rpm, with a typing speed of 30 rpm and rotation capability between -15° and +195°. It includes a taper MT 4 spindle and requires 3 kW of power.
Additional features include a tailstock with micrometric adjustment, taper 3 CM, 35 mm spindle stroke, and 50 mm spindle diameter. The machine requires an air connection of 5 to 7 bar and operates on 380 Volt, 50 Hz, 3-phase power. The grinding spindle motor delivers 7.5 kW, and the total power requirement is approximately 32 kVA.
The machine weighs about 5200 kg and measures 3000 mm in length, 2200 mm in width, and 2100 mm in height. Accessories include a MARPOSS touch probe, an internal grinding attachment with one spindle capable of speeds up to 30,000 rpm, a lamp, and an RS-232 interface.
This cylindrical grinder offers a comprehensive set of features suitable for various grinding applications requiring precision and versatility.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
Type: S 31 LEAN CNC
Manufacturer: STUDER
Group: CNC cylindrical grinder
Subgroup: CNC cylindrical grinder
Control: FANUC Series 21i-T
Year: 2000
Centre height 175 mm
Distance between centres 650 mm
Workpiece weight on centres 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:
con regolazione micrometrica
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
Please note that this description may have been translated or optimized with artificial intelligence (AI) automatically. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase.
| Client type | Machinery dealer |
| Active since | 2014 |
| Offers online | 258 |
| Last activity | Nov. 4, 2026 |
Type: S 31 LEAN CNC
Manufacturer: STUDER
Group: CNC cylindrical grinder
Subgroup: CNC cylindrical grinder
Control: FANUC Series 21i-T
Year: 2000
Centre height 175 mm
Distance between centres 650 mm
Workpiece weight on centres 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:
con regolazione micrometrica
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
Please note that this description may have been translated or optimized with artificial intelligence (AI) automatically. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase.
The STUDER S 31 LEAN CNC is a CNC cylindrical grinder designed for precision grinding tasks. Manufactured in 2000, this machine is equipped with a FANUC Series 21i-T control system, ensuring reliable and accurate operation. It features a centre height of 175 mm and a distance between centres of 650 mm, accommodating workpieces weighing up to 80 kg on centres.
The grinder is fitted with grinding wheels on both the right and left hands, each with a diameter of 500 mm, width of 63 mm, and bore of 203 mm. The turret grinding tool holder supports both external and internal grinding tools with a configuration of 2+1. Grinding wheel speeds range from 1400 to 3200 revolutions per minute, with a peripheral speed of 50 m/s. The grinding spindle head is rotatable by 1° on the b-axis.
The machine's longitudinal slide offers a maximum travel of 800 mm, while the transversal slide provides 254 mm of travel. The workpiece spindle head operates at speeds from 1 to 1000 rpm, with a typing speed of 30 rpm and rotation capability between -15° and +195°. It includes a taper MT 4 spindle and requires 3 kW of power.
Additional features include a tailstock with micrometric adjustment, taper 3 CM, 35 mm spindle stroke, and 50 mm spindle diameter. The machine requires an air connection of 5 to 7 bar and operates on 380 Volt, 50 Hz, 3-phase power. The grinding spindle motor delivers 7.5 kW, and the total power requirement is approximately 32 kVA.
The machine weighs about 5200 kg and measures 3000 mm in length, 2200 mm in width, and 2100 mm in height. Accessories include a MARPOSS touch probe, an internal grinding attachment with one spindle capable of speeds up to 30,000 rpm, a lamp, and an RS-232 interface.
This cylindrical grinder offers a comprehensive set of features suitable for various grinding applications requiring precision and versatility.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
| Client type | Machinery dealer |
| Active since | 2014 |
| Offers online | 258 |
| Last activity | Nov. 4, 2026 |
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