Motor spindles for internal grinding

High-quality internal grinding spindles adapted to the application for best surface qualities.

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External grinding

High-quality external grinding spindles adapted to the application for best surface qualities.

  • External grinding spindles with one-sided or two-sided tool interface
  • Robust, high-precision bearing systems
  • Customized, machine-specific solutions according to the machine manufacturer's specifications
  • Integrated, automatic balancing systems as an option

Dressing spindles

Dressing and profiling of grinding wheels by powerful motor spindles with robust bearings.

  • Highest concentricity and rigidity for precise dressing
  • Robust, high-precision bearing system
  • Thermal stability
  • Asynchronous or synchronous motors for high motor power
  • Cylindrical spindle housing or direct mount housing
  • Rotary encoder and spark detection as option

Tool grinding

Tool grinding with compact, high-torque and powerful motor spindles.

  • Compact design
  • Asynchronous and synchronous motors
  • Robust, high-precision bearing system
  • Automatic tool clamping system HSK-E50/F63 or manual tool interfaces


Glass processing

Grinding and polishing spindles for ophthalmic/fine optics and flat/vehicle glass.

  • Highest concentricity and rigidity for precise polishing and grinding
  • Tool interface on both sides for pre- and finish-machining or according to customer requirements
  • Motorized and externally driven precision spindles
  • Corrosion resistant design

Deep hole grinding

Customized spindles with diameter/length ratio up to 1:20.

  • Precision grinding spindles for belt drive or with motor and external taper for internal grinding of deep holes
  • Cylindrical or offset spindle housings
  • Diameter/length ratio up to 1:20 possible

Belt driven grinding spindles

Belt driven spindles for various grinding processes and applications with high precision requirements.

  • Inner taper or outer taper for radial and axial loads
  • UJ or HJN arbor mountings for highest precision and stability
  • High precision spindle bearings with lifetime grease lubrication

Spindles with mounted motor

High precision motorized spindles with air cooled motor.

  • Available with external taper, manual HSK tool interface or integrated collet.
  • Spindles with optimum running smoothness, maximum speed and highest precision


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