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Home » Authors » Dr. Hartmuth Müller

Dr. Hartmuth Müller

h.mueller@klingelnberg.com
Articles

ARTICLES

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Aspects of Gear Noise, Quality, and Manufacturing Technologies for Electromobility

February 21, 2023
Dr. Christof Gorgels and Dr. Hartmuth Müller

In modern automotive vehicles, gear noise becomes more and more of an issue. The main reason is the reduced masking noise of the engine, which vanishes completely in the case of an electric driveline. Improved gear quality unfortunately does not correlate with a better noise performance in any case. High gear quality makes sure that the gear flanks are inside tight tolerances and that all teeth are nearly identical. Even if the running behavior of such gear sets shows a very low sound pressure level, the noise perception for human ears may be annoying.


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Modified Crowning with Klingelnberg

December 14, 2021
Dr. Hartmuth Müller
Klingelnberg examines how engine management in electrically driven cars requires a very different specification of the driveline and the gearbox.
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