Used STUDER S120 CNC Internal Grinder | Swiss Precision



Product Description
This used STUDER S120 CNC internal grinding machine from Switzerland is designed for high-precision internal and face grinding applications. Equipped with FANUC 21i-TB CNC control, dual grinding spindles and automatic loading capability, this machine provides excellent productivity for precision component manufacturing.
The STUDER S120 is well known in the global grinding machine market for its rigid structure, high accuracy and reliable grinding performance. This second-hand machine offers an economical solution for manufacturers who need Swiss grinding technology without the investment cost of a new machine.
The machine is capable of achieving approximately 0.5 μm roundness accuracy, making it suitable for demanding applications requiring stable dimensional accuracy and superior surface finish.
Technical Specifications
| Item | Specification |
|---|---|
| Machine Brand | STUDER |
| Model | S120 |
| Machine Type | CNC Internal Grinding Machine |
| Condition | Used / Second-hand Machine |
| Country of Origin | Switzerland |
| CNC Control | FANUC Series 21i-TB |
| Optional Control | FANUC 16i-TB |
| Grinding Type | Internal Grinding / Face Grinding |
| Grinding Spindle Quantity | 2 Spindles |
| Center Height | 125 mm |
| Swing Diameter | 130 mm |
| X Axis Travel | 300 mm |
| Z Axis Travel | 180 mm |
| X Axis Speed | 20,000 mm/min |
| Z Axis Speed | 15,000 mm/min |
| X/Z Axis Resolution | 0.0001 mm |
| Guideway Distance | 280 mm |
| Spindle Installation Type | Parallel Spindle Arrangement |
| Grinding Spindle Diameter | 100 mm / 120 mm |
| High-Speed Spindle Speed | Up to 60,000 rpm |
| Internal Grinding Speed | Up to 42,000 rpm |
| Workpiece Spindle Speed Range | 1–1500 rpm |
| Workpiece Spindle Bore | 26 mm |
| Workpiece Chuck | MK4 / Ø70 mm |
| Drive Motor Power | 2.8 kW |
| Active Spindle Torque | 100 Nm |
| Roundness Accuracy | 0.0004 / 0.0002 mm |
| Standard C Axis | Direct Measuring System 0.0001° |
| Q Axis (Optional) | Automatic rotation -5° to +30° |
| Q Axis Resolution | 0.0001° |
| Dressing System | Diamond roll dresser |
| Machine Power Capacity | 43 kVA |
| Pneumatic Pressure | 5.5 bar |
| Machine Weight | Approx. 5100 kg |
| Main Advantage | Dual spindle, automatic loading/unloading, high precision grinding |
Application & Industries
Suitable Applications:
Automotive Components
- Fuel injection parts
- Engine components
- Transmission parts
- Precision shafts
- Hydraulic components
Mold & Tool Manufacturing
- Precision mold inserts
- Die components
- Tooling parts
- High accuracy cylindrical components
Aerospace Industry
- Aircraft precision components
- Turbine-related parts
- High tolerance mechanical parts
Semiconductor & Electronics Equipment
- Precision mechanical parts
- Automation equipment components
- Motion control components
General Precision Manufacturing
- Bearings
- Spindles
- Bushings
- Small precision shafts
- Medical equipment components
FAQ
Is this STUDER S120 machine new or used?
This is a used STUDER S120 CNC internal grinding machine originally manufactured in Switzerland. The machine has been inspected and is available for precision grinding production.
What CNC system does the STUDER S120 use?
This machine is equipped with FANUC Series 21i-TB CNC control, with FANUC 16i-TB available as an optional configuration.
What accuracy can this used STUDER S120 achieve?
The machine can achieve approximately 0.5 μm roundness accuracy under suitable grinding conditions, making it suitable for high-precision component production.
Can the STUDER S120 be used for mass production?
Yes. With dual grinding spindles and automatic loading/unloading capability, the machine is suitable for continuous production of automotive and precision mechanical components.
Why choose a used STUDER S120 instead of a new grinding machine?
A used STUDER S120 provides access to Swiss precision grinding technology at a lower investment cost while maintaining excellent accuracy, rigidity and production capability.
Similar Products of This Type
$161725.00
Brand
STUDER
Model
S120
Origin
CH
Processing Time
2423h
Machine Status
- In stock
- Company-owned inventory
- Delivery time: 9 days
Available inspection support
- Machine appearance check
- Control system power-on check
- Spindle and axis movement check
- Grinding area photo check
- Electrical cabinet photo check
- Machine nameplate verification
- Remote video inspection
- Optional third-party inspection
Supplier's customization ability
- Minor customization
- Drawing-based customization
- Sample-based customization
- Full customization

