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Do you need to hold diameter, roundness, and TIR to within 2 microns in large parts that weight up to 500 kg?
The ILD machine can handle all these challenges —and more— with a single platform.
See this machine in action
This is internal universal

The ILD specialises in grinding a wide variety of large, long or heavy workpieces with fast changeovers. These include:

  • Spindle shafts
  • Spindle housings
Longitud de pieza 0
1300 mm
Peso de pieza 0
500/500 kg/Nm
Cbn 0
Diametro de pieza 0
Ø700 mm
Overbeck ILD Internal grinding machine
Perfect combination of components that provide optimal results
0a ild technology 0
Natural granite base

Machine bed made of natural granite, the optimal material for achieving the highest accuracy.

Linear motors

Linear motors deliver highly dynamic transmission of power. The technology achieves fast and precise movements that guarantee maximum productivity and quality.


Carefully built in our own facilities with high quality components for long life. All this helps to ensure that the workpieces have the optimum quality you are looking for.

Grinding spindles

High quality spindles with high precision bearings with air/oil or lifetime lubrication.

What makes it so universal?

Three different workhead sizes are available to suit your needs. The result is a highly flexible, modular system that can be tailored to meet the exact needs of any application.

Direct driven spindle turret  with 300° swivelling range and the capacity for up to 4 spindles and one measuring probe.

  • Three jaw chuck (automatic or manual)
  • Magnetic chuck
  • Shoe system
  • Steady rest
  • Tailstock
  • Customised chuck
  • Fixed dresser
  • Dressing spindle
  • Radius dresser
  • Dressing revolver
  • Workhead mounted dresser
  • Roller dresser
  • Touch probe
  • In-process measurement
  • Post-process measurement
  • Tool measuring device
Do you want to reduce cost per part?

We can offer you a machine including (un)loading systems, feeding or storage systems, and auxiliary stations.

Technical data
ILD-400 ILD-600 ILD-700 ILD-700U
Max. internal grinding diameter mm 420 420 500 450
Max. internal grinding length mm 400 400 400 400
Max. external grinding length mm 150 150 400 400
Max. workpiece swing diameter mm 600 600 700 760
Max. workpiece length incl. clamping system mm 800 1300 500 500
Max. workpiece weight incl. clamping system kg/Nm 500/500 500/500 500/500 500/500
X and Z axis stroke mm 450/550 450/550 700/700 420/700/U700
ILD-400 ILD-600 ILD-700 ILD-700U
Max. internal grinding diameter in 16.5 16.5 19.6 17.7
Max. internal grinding length in 15.7 15.7 15.7 15.7
Max. external grinding length in 5.9 5.9 15.7 15.7
Max. workpiece swing diameter in 23.6 23.6 27.5 29.9
Max. workpiece length incl. clamping system in 31.4 51.1 19.6 19.6
Max. workpiece weight incl. clamping system lb/ft-lb 1100/360 1100/360 1100/360 1100/360
X and Z axis stroke in 17.7/21.6 17.7/21.6 27.5/27.5 16.5/27.5/U27.5

Machine tool spindle shaft

Machine tool spindle housing

Hip joint

We offer services to keep your ILD in the best condition
  • Customised maintenance plans depending on production needs, including laser interferometry tests, measuring equipment calibration...
  • We do machining tests on your parts to find the best machining solution for you


0 service
Digital ild
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