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10. Internationales Fluidtechnisches

8. - 10. März | 2016
in Dresden

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11:25   ics       Saal 5

An Investigation of the Impact of the Elastic Deformation of the Endcase/Housing on Axial Piston Machines Cylinder Block/Valve Plate Lubricating Interface

First author:
Rene Chacon, Purdue University, USA

Monika Ivantysynova, Purdue University

The cylinder block/valve plate interface is a critical design element of axial piston
machines. In the past, extensive work has been done at Maha Fluid Power Research
center to model this interface were a novel fluid structure thermal interaction model was
developed which accounts for thermal and elasto-hydrodynamic effects and has been
proven to give an accurate prediction of the fluid film thickness. This paper presents an
in-depth investigation of the impact of the elastic deformation due to pressure and
thermal loadings of the end case/housing on the performance of the cylinder
block/valve plate interface. This research seeks to understand in a systematic manner
the sensitivity of the cylinder block/valve plate interface to the structural design and
material properties. A comparison between simulations results is done by utilizing
different end case designs and material compositions, both in the valveplate and end
case solids.