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Home » Authors » Prof. D... Christian Brecher
Prof. D... Christian Brecher

Prof. D... Christian Brecher

Prof. Dr.-Ing. Christian Brecher has since January 2004 been Ordinary Professor for Machine Tools at the Laboratory for Machine Tools and Production Engineering (WZL) of the RWTH Aachen, as well as Director of the Department for Production Machines at the Fraunhofer Institute for Production Technology IPT. Upon finishing his academic studies in mechanical engineering, Brecher started his professional career first as a research assistant and later as team leader in the department for machine investigation and evaluation at the WZL. From 1999 to April 2001, he was responsible for the department of machine tools in his capacity as a Senior Engineer. After a short spell as a consultant in the aviation industry, Professor Brecher was appointed in August 2001 as the Director for Development at the DS Technologie Werkzeugmaschinenbau GmbH, Mönchengladbach, where he was responsible for construction and development until December 2003. Brecher has received numerous honors and awards, including the Springorum Commemorative Coin; the Borchers Medal of the RWTH Aachen; the Scholarship Award of the Association of German Tool Manufacturers (Verein Deutscher Werkzeugmaschinenfabriken VDW); and the Otto Kienzle Memorial Coin of the Scientific Society for Production Technology (Wissenschaftliche Gesellschaft für Produktionstechnik WGP).
Articles

ARTICLES

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Test Rig for Crowned Spline Joints with Optimized Surface Treatments Under Misaligned Conditions

May 22, 2023
Gerrit Hellenbrand, Dieter Mevissen, Jens Brimmers, and Prof. D... Christian Brecher

In the present paper, a spline-joint design and the extension of a back-to-back test rig were presented, which enable the testing of crowned spline-joints under high rotational speed, medium torque, high test temperature, and angular misalignments.


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Sustainable Gears—Design of Gear Body Modified Powder Metal (PM) Gears

October 12, 2022
Philipp Scholzen, Jens Brimmers, and Prof. D... Christian Brecher
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Design and Simulation of a Back-to-Back Test Rig for Ultra High Cycle Fatigue Testing of Gears Under Fully Reversed Load

June 27, 2022
Johannes Lövenich, Moritz Trippe, Oscar Malinowski, Stephan Neus, Jens Brimmers, and Prof. D... Christian Brecher

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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Algorithm-Based Optimization of Gear Mesh Efficiency in Stepped Planetary Gear Stages for Electric Vehicles

May 19, 2022
Christian Westphal, Jens Brimmers, and Prof. D... Christian Brecher

The objective of this paper is to develop a method for the algorithm-based design and optimization of the macrogeometry of stepped planetary gear stages.


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Investigation of the Potential of Using Surrogate Models in the Gear Design Process

November 1, 2021
Jens Brimmers, Prof. D... Christian Brecher, and Dr.-Ing... Christoph Löpenhaus
The aim of this report is to investigate the potential of using surrogate models within the gear design process.
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Dry Lubricated Rolling-Sliding Contact –Operation Behavior and Calculation of Local Frictional Energy

November 1, 2021
Sebastian Strunk, Jens Brimmers, and Prof. D... Christian Brecher
For certain operating conditions and environments, liquid lubrication of gear drives is not possible, or can only be implemented with great restrictions or at high cost.
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