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Home » Authors » Martin Witzsch
Martin Witzsch

Martin Witzsch

Martin Witzsch is a freelance journalist working in Erlangen, Germany. For more information, visit www.witzsch.com.
Articles

ARTICLES

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Kapp Niles Examines Intelligent Rolling Grinding for E-mobility

April 25, 2022
Martin Witzsch

Fully electric vehicle drives usually require two-stage, non-switchable transmissions. One would think that this greatly simplifies the production. Finally, the described transmission structure has just four gears, distributed on the drive shaft, the second stage with fixed wheel and intermediate shaft as well as the axle drive wheel. But the conditions are not that simple: First of all, the engine speeds of the electric drive with up to 16,000 rpm are much higher than those of the combustion engine. For this purpose, electric motors deliver an almost constant torque over a wide speed range. Unlike the combustion engine, it is already attached to the transmission from zero speed. In addition, there is an additional boundary condition that makes production much more demanding than with the conventional powertrain.


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Innovations for High Productivity Generating Grinding

June 1, 2016
Martin Witzsch
In comparison to the visionary Industry 4.0 - or the Fourth Industrial Revolution - the machine tool industry can appear rather down-to-earth.
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