Used STUDER S120 CNC Internal Grinder | Swiss Precision

Product Highlight
High-precision used Swiss STUDER S120 CNC internal grinding machine with dual grinding spindles, automatic loading system and FANUC 21i-TB CNC control. Suitable for precision mass production of automotive, mold and aerospace components.

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

ItemSpecification
Machine BrandSTUDER
ModelS120
Machine TypeCNC Internal Grinding Machine
ConditionUsed / Second-hand Machine
Country of OriginSwitzerland
CNC ControlFANUC Series 21i-TB
Optional ControlFANUC 16i-TB
Grinding TypeInternal Grinding / Face Grinding
Grinding Spindle Quantity2 Spindles
Center Height125 mm
Swing Diameter130 mm
X Axis Travel300 mm
Z Axis Travel180 mm
X Axis Speed20,000 mm/min
Z Axis Speed15,000 mm/min
X/Z Axis Resolution0.0001 mm
Guideway Distance280 mm
Spindle Installation TypeParallel Spindle Arrangement
Grinding Spindle Diameter100 mm / 120 mm
High-Speed Spindle SpeedUp to 60,000 rpm
Internal Grinding SpeedUp to 42,000 rpm
Workpiece Spindle Speed Range1–1500 rpm
Workpiece Spindle Bore26 mm
Workpiece ChuckMK4 / Ø70 mm
Drive Motor Power2.8 kW
Active Spindle Torque100 Nm
Roundness Accuracy0.0004 / 0.0002 mm
Standard C AxisDirect Measuring System 0.0001°
Q Axis (Optional)Automatic rotation -5° to +30°
Q Axis Resolution0.0001°
Dressing SystemDiamond roll dresser
Machine Power Capacity43 kVA
Pneumatic Pressure5.5 bar
Machine WeightApprox. 5100 kg
Main AdvantageDual 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.

$161725.00

Stock:1

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
Version: 8363a09