Spline Rolling

One of the recent innovations of Profiroll Engineers is the rolling of splines with circular dies based on our  ROLLEX® technology. The biggest Advantage using circular dies - as with thread rolling - is the infinite rolling motion giving an unlimited coldform length. Results are a higher quality and much lower changeover times. Actually with the rolling on hollow shafts Profiroll took over Technology leadership serving capable industrial processes.



Profile rolling systems for cold rolling of splines are Stars in modern productions lines because of their productivity, flexibility and achievable quality.

The unique characteristic is the control concept in connection with energy efficient servomechanical drivechain and a reliable rigid design.

  • a statically and dynamically very rigid iron cast C-frame
  • high accessibility into open work area allows difficult workpiece geometries and rolling of several splines in one tooling layout
  • lowest changeover time due to easy handable round dies
  • manufacturing of external splines
  • flexibility because of possibile profile, finish or thread rolling processes
  • Profiroll CNC with hardware base Sinumerik 840D
  • data management System



The ROLLIN® is the universal machine for internal splines. Additionally to rolling of internal splines or back tapers there is the possibility to realize finishing processes to calibrate or tighten pre-machined gears.



The PRI 120 CNC/AC® is a newly developed internal spline back-angle rolling ma- chine for the economical manufacturing of back-angle at the tooth flanks of already existing internal spline profiles.


PB 200

The PB 200 is the latest development for forming of annulus gears with internal or external gears in soft condition. The surfaces of gears resulting from machining pre-processes are flattened by this burnishing process and get their final customized characteristics.

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