- AutorIn
- Dr. Giuseppe Rizzo
- Dr. Antonino Bonanno
- Dr. Giorgio Paolo Massarotti
- Dr. Luca Pastorello
- Dr. Mariarosa Raimondo
- Dr. Federico Veronesi
- Dr. Magda Blosi
- Titel
- Energy efficiency improvement by the application of nanostructured coatings on axial piston pump slippers
- Zitierfähige Url:
- https://nbn-resolving.org/urn:nbn:de:bsz:14-qucosa-200187
- Quellenangabe
- 10th International Fluid Power Conference (10. IFK) March 8 - 10, 2016, Vol. 2, pp. 313-328
- Quellenangabe
- Volume 2 – Conference: Wednesday, March 9
- Auflage
- 1
- Erstveröffentlichung
- 2016
- Abstract (EN)
- Axial piston pumps and motors are widely used in heavy-duty applications and play a fundamental role in hydrostatic and power split drives. The mechanical power losses in hydraulic piston pumps come from the friction between parts in relative motion. The improvement, albeit marginal, in overall efficiency of these components may significantly impact the global efficiency of the machine. The friction between slipper and swash plate is a functional key in an axial piston pump, especially when the pump (at low rotational speed or at partial displacement) works in the critical areas where the efficiency is low. The application of special surface treatments have been exploited in pioneering works in the past, trying different surface finishing or adding ceramic or heterogeneous metallic layers. The potential of structured coatings at nanoscale, with superhydrophobic and oleophobic characteristics, has never been exploited. Due to the difficulty to reproduce the real working conditions of axial piston pump slippers, it has been made a hydraulic test bench properly designed in order to compare the performance of nano-coated slippers with respect to standard ones. The nano-coated and standard slippers have been subjected to the following working conditions: a test at variable pressure and constant rotational speed, a test at constant pressure and variable rotational speed. The comparison between standard and nanocoated slippers, for both working conditions, shows clearly that more than 20% of friction reduction can be achieved using the proposed nano-coating methodology.
- Freie Schlagwörter (EN)
- oleophobic, nano-coating, slipper, friction coefficient
- Klassifikation (DDC)
- 620
- Klassifikation (RVK)
- ZQ 5460
- Publizierende Institution
- Technische Universität Dresden, Dresden
- Sonstige beteiligte Institution
- Dresdner Verein zur Förderung der Fluidtechnik e. V., Dresden
- URN Qucosa
- urn:nbn:de:bsz:14-qucosa-200187
- Veröffentlichungsdatum Qucosa
- 02.05.2016
- Dokumenttyp
- Konferenzbeitrag
- Sprache des Dokumentes
- Englisch
- Lizenz / Rechtehinweis