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Dynamic investigations of single gear transmission taking into account microcracks

Dynamische Untersuchungen eines einstufigen Getriebes mit Mikrorissen

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Summary

The paper concerns dynamic investigations of the model of gear transmission consisting of four rigid bodies and two torsion shafts. The shafts are assumed to contain microcracks which are taken into account by means of the equivalent shear modulus in accordance with the results of the papers [2, 3]. The influence of microcracks on the behaviour of the gear transmission in dynamic conditions is investigated for the first two frequencies of free vibrations and suitable amplitude-frequency curves. The investigations are carried out by means of two methods: the wave method which takes into account all the reflections of waves and the multibody system approach.

Übersicht

Vorgestellt werden dynamische Untersuchungen an einem Getriebemodell aus vier Starrkörpern und zwei Torsionswellen. Es wird angenommen, daß die Wellen Mikrorisse enthalten, die über einen äquivalenten Schubmodul nach [2, 3] berücksichtigt werden. Der Einfluß der Mikrorisse auf das dynamische Verhalten des Getriebes wird anhand der beiden ersten Eigenfrequenzen und der Amplituden-Erregerfrequenz-Beziehung untersucht. Benutzt werden zwei Methoden: die Methode der Wellenausbreitung, die alle Reflektionen berücksichtigt, und die Behandlung als Mehrkörpersystem.

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References

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Authors and Affiliations

  1. Institute of Fundamental Technological Research, Swiętokrzyska 21, PL-00-049, Warszawa, Poland

    W. Nadolski

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  1. W. Nadolski
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Nadolski, W. Dynamic investigations of single gear transmission taking into account microcracks. Ing. arch 59, 362–370 (1989). https://doi.org/10.1007/BF00534066

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  • DOI: https://doi.org/10.1007/BF00534066

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