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A New RP1PR Type Coupling for Shafts with Crossed Axes

Author

Listed:
  • Stelian Alaci

    (Mechanics and Technologies Department, “Stefan cel Mare” University of Suceava, 720229 Suceava, Romania)

  • Ioan Doroftei

    (Mechanical Engineering, Mechatronics and Robotics Department, “Gheorghe Asachi” Technical University, 700050 Iasi, Romania)

  • Florina-Carmen Ciornei

    (Mechanics and Technologies Department, “Stefan cel Mare” University of Suceava, 720229 Suceava, Romania)

  • Ionut-Cristian Romanu

    (Mechanics and Technologies Department, “Stefan cel Mare” University of Suceava, 720229 Suceava, Romania)

  • Ioan-Alexandru Doroftei

    (Mechanical Engineering, Mechatronics and Robotics Department, “Gheorghe Asachi” Technical University, 700050 Iasi, Romania)

  • Mariana-Catalina Ciornei

    (Physiology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
    Medical Engineering Faculty, “Politehnica” University of Bucharest, 060042 Bucharest, Romania)

Abstract

There are few examples of mechanical coupling solutions for the transmission of high torques between two rotating shafts that have non-coplanar, non-parallel axes. Based on the structural analysis, the paper proposes a solution for an RP1PR-type symmetrical coupling. The Hartenberg–Denavit methodology is not applicable for performing the kinematical analysis, hence the solution starts from the geometrical condition of the creation of planar pairs of the mechanism, expressed in vector form. The absolute motion of all elements of the mechanism’s structure can be expressed after developing the kinematical analysis. The theoretical results are validated via numerical analysis. By comparing the analytical results with the CATIA-modeled results, excellent compatibility is obtained. We also propose a constructive solution for the newly designed coupling mechanism.

Suggested Citation

  • Stelian Alaci & Ioan Doroftei & Florina-Carmen Ciornei & Ionut-Cristian Romanu & Ioan-Alexandru Doroftei & Mariana-Catalina Ciornei, 2023. "A New RP1PR Type Coupling for Shafts with Crossed Axes," Mathematics, MDPI, vol. 11(9), pages 1-21, April.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:9:p:2025-:d:1131811
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