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Title: Stress analysis and Design Optimization of Piston Slipper assembly in an Axial Piston Pump
Authors: Choudhuri, Kishan
Chakraborty, Sujoy
Chakraborti, Prasun
Dutta, Prasenjit
Keywords: Axial piston pump;Piston-Slipper assembly;Stress analysis;Optimization
Issue Date: May-2014
Publisher: NISCAIR-CSIR, India
Abstract: The amount of research carried out on piston assemblies of axial piston pump is a good indication of the problems which have been encountered. Fortunately this is one branch of engineering where research is usually well ahead of production failures. A representative domain for the high development of the axial piston pumps manufacturing is the aeronautics. In this industrial branch, light hydraulic transmissions that operate in very safe conditions are required. The mass reduction must be done according to an optimal design of the machines geometry, taking into account the static and dynamic stress and deflection states of the mechanical components. In this paper, a steady state stress analysis and also an optimization of the piston slipper assembly has been carried out by using ANSYS software. Optimization is done using Sub-problem approximation method where the main objective is to minimize the volume of the piston and slipper. Dimensions of the assembly are taken from SPV 22 axial piston pump, made by ZTS Company. This optimization technique minimizes the volume of the piston and also slipper. The paper concludes with the Comparison of the piston and slipper dimensions before and after optimization.
Page(s): 318-323
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.73(05) [May 2014]

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