Optimization and Fatigue Analysis of a Crane Hook Using Finite Element Method

Abstract

Stress analysis plays an important role in the design of structures like crane hook under loading conditions.Crane hook is a reliable lifting component being used in industries.Structure failure of crane hook occurs because of the stress induced due to repetitive loading and unloading conditions.In this study, solid modeling of crane hook having trapezoidal cross-section referring to one of its existing design is done using SOLIDWORKS.Further, analyses are carried out in ANSYS Workbench and nCode DesignLife.The lengths of two parallel sides of the cross-section of crane hook are varied and different candidates are obtained for loading capacity of 30 ton on the basis of Mass, total Displacement and Von-Mises stress.This is done to reduce weight and balance economy.Further, out of these candidates, best candidates are considered and fatigue analysis is performed on these candidates.