Dipl.-Ing. Stephan Neus, born in 1984, studied mechanical engineering at RWTH Aachen University before working as a research associate at the Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University in the Machine Technology Department between 2014 and 2019. Since 2019, Mr. Neus has continued his work at the WZL as chief engineer of the Machine Technology Department.
Aircraft engines can be made more efficient by integrating planetary gears. In such an application, the planetary gears experience very high load cycles under fully reversed bending loads. Pulsator test rigs, which nowadays offer the possibility to perform UHCF investigations, can only be used for purely pulsating loading of gears. Therefore, for the investigation of the UHCF tooth root load carrying capacity under fully reversed bending load, a back-to-back test rig is required. Back-to-back test rigs usually have speeds of n = 3,000 rpm, which makes investigations in the UHCF range take a very long time. Therefore, a high-speed back-to-back test rig was developed.
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