Niles-simmons Industrieanlagen Gmbh

Wolfgang Gerhard

Hans J Naumann

Reinhard Robotta

Gunter Schroter

J Hans Naumann

Matthias Hertel

Jurgen Haberkorn

Jürgen Haberkorn

Disclosed is a method for machining the bearing seats (HL, PL) of shafts (), especially crankshafts. According to said method, the bearing seats (HL, PL) are subjected to the following machining operations after initially shaping a shaft () in a forging or casting process: the bearing seats (HL, PL) are preformed by cutting the same using a specific cutting edge; they are hardened; they are passed through dressing rollers; they are subjected to a preliminary rotary milling process; and they are subjected to a final rotary milling process. The preliminary and the final rotary milling process are carried out during substantially an entire rotation of the shaft () without longitudinally or tangentially advancing the milling cutter ().

Method for machining shaft bearing seats

An apparatus for profiling a wheelset comprised of a milling cutter with a first axis of rotation, driven friction rollers for rotating the wheelset about a second axis of rotation, and computer numerical control apparatus for rotating the milling cutter about its first axis of rotation while disposing it so that the first axis of rotation is substantially perpendicular to the second axis of rotation.

Apparatus for truing wheelsets

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Chemnitz, Germany

Wolfgang Gerhard