2013•Coal Mine MachineryRequires access

Fatigue Analysis of Hydraulic Cylinder Based on Workbench Program

HU Xu-lin

Abstract

In order to study the fatigue strength of hydraulic cylinder,a hydraulic cylinder model is established using Workbench program.Static strength and fatigue finite-element analysis of hydraulic cylinder were conducted.By finite element analysis the stress distribution and life of the hydraulic cylinder were given.The results show that the safety factor of support was lower.Based on this analysis,the optimization design to the hydraulic cylinder is carries on.The support radius of curvature was increased and the model again conducted.The results show that the method can be increase the life of hydraulic cylinder.

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Key concepts: Workbench, Position-sensing hydraulic cylinder, Hydraulic cylinder, Telescopic cylinder, Finite element method, Cylinder, Engineering, Structural engineering