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Influence of the Contact Stiffness Between the Cam and the Roller in the Dynamic Behaviour of the Train Follower Applied in a Conjugate Cam Mechanism

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Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 7))

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Abstract

The aim of this study is to analyze the influence that the contact stiffness between the cam and the roller has in the prediction of the dynamic behaviour of the train follower. For this purpose two models based on the Hertzian contact theory are compared. The first model uses the formulation of the general contact assuming a nominal contact point between the cam and the roller. The second model uses the formulation of the cylindrical contact assuming a nominal contact line between them. The objective is to discuss about the convenience of both models when facing the calculations of the deviation from the theoretical motion law, contact forces, contact pressures, life span and surface fatigue in comparison with the surface finishing process for the cam or the roller. The study is set in a conjugate cam mechanism mounted in an automated process for manufacturing wirehoods. Results confirm the goodness of the general contact formulation applied when crowned rollers are used and the results dissuade the cylindrical contact formulation when rollers with cylindrical outer surface are used.

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Acknowledgments

The work has been carried out thanks to the help of the Industry Sàbat Lligats Metàl·lics S.L. http://www.m-sabat.com/

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Authors and Affiliations

  1. Department of Mechanical Engineering, ETSEIB, Universitat Politècnica de Catalunya, Diagonal 647, 08028, Barcelona, Spain

    P. Català, S. Cardona, M. A. De los Santos & J. M. Veciana

Authors
  1. P. Català
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  2. S. Cardona
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  3. M. A. De los Santos
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  4. J. M. Veciana
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Corresponding author

Correspondence to P. Català .

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Editors and Affiliations

  1. , Structural and Mechanical Engineering, University of Cantabria, Avenida de los Castros, Santander, 39005, Spain

    Fernando Viadero

  2. , Laboratory of Robotics & Mechatronics, University of Cassino, Via di Biasio 43, Cassino, 03043, Italy

    Marco Ceccarelli

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Català, P., Cardona, S., De los Santos, M.A., Veciana, J.M. (2013). Influence of the Contact Stiffness Between the Cam and the Roller in the Dynamic Behaviour of the Train Follower Applied in a Conjugate Cam Mechanism. In: Viadero, F., Ceccarelli, M. (eds) New Trends in Mechanism and Machine Science. Mechanisms and Machine Science, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4902-3_20

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  • DOI: https://doi.org/10.1007/978-94-007-4902-3_20

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-4901-6

  • Online ISBN: 978-94-007-4902-3

  • eBook Packages: EngineeringEngineering (R0)

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