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Experimental Study of 3D Movement in Cushioning of Hydraulic Cylinder

Author

Listed:
  • Antonio Algar

    (Department of Fluid Mechanics, LABSON, Technical University of Catalonia, Colom 7, 08222 Terrassa, Spain)

  • Esteban Codina

    (Department of Fluid Mechanics, LABSON, Technical University of Catalonia, Colom 7, 08222 Terrassa, Spain)

  • Javier Freire

    (Department of Fluid Mechanics, LABSON, Technical University of Catalonia, Colom 7, 08222 Terrassa, Spain)

Abstract

A double acting cylinder operation has been fully monitored in its key functional parameters, focused on characterization of end-of-stroke cushioning and starting phases. Being the cylinder performance reliant in the piston constructive geometry, the number and location of piston circumferential grooves is a significant parameter affecting the internal cushioning system performance. An eddy current displacement sensor assembled in the piston allows assessment of piston radial displacement inside the cylinder tube, which is directly related with the studied operating phases. Due to such 3D displacements, the piston becomes as an active and self-adjusting element along the functional cycle of the cylinder. Mechanical joints orientation and operating pressure are also relevant parameters affecting piston radial displacement and, thus, the cushioning and starting performance. Computational Fluid Dynamics (CFD) results confirm the observed functional role of the perimeter grooves; the flow and pressure distributions, where develops a significant radial force, are also in accordance with the registered radial displacement.

Suggested Citation

  • Antonio Algar & Esteban Codina & Javier Freire, 2017. "Experimental Study of 3D Movement in Cushioning of Hydraulic Cylinder," Energies, MDPI, vol. 10(6), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:6:p:746-:d:99705
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    Citations

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    Cited by:

    1. Andrea Vacca, 2018. "Energy Efficiency and Controllability of Fluid Power Systems," Energies, MDPI, vol. 11(5), pages 1-6, May.
    2. Robert Castilla & Ignasi Alemany & Antonio Algar & Pedro Javier Gamez-Montero & Pedro Roquet & Esteban Codina, 2017. "Pressure-Drop Coefficients for Cushioning System of Hydraulic Cylinder With Grooved Piston: A Computational Fluid Dynamic Simulation," Energies, MDPI, vol. 10(11), pages 1-14, October.
    3. Antonio Algar & Javier Freire & Robert Castilla & Esteban Codina, 2021. "Simulation of Hydraulic Cylinder Cushioning," Sustainability, MDPI, vol. 13(2), pages 1-19, January.
    4. Antonio Algar & Esteban Codina & Javier Freire, 2018. "Bond Graph Simulation of Error Propagation in Position Estimation of a Hydraulic Cylinder Using Low Cost Accelerometers," Energies, MDPI, vol. 11(10), pages 1-21, September.

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