Analysis of Bucket Teeth of Backhoe Excavator Loader and its Weight Optimization

Abstract

— An excavator is heavy construction equipment, which is commonly used in construction work, mining work etc. According to off highway research about Equipment analysis in India , backhoe loader market continuously growing. One of the parameters affecting the productivity of machine is bucket tooth. A poor design of teeth results in poor excavation and ultimately reduces its efficiency. Teeth are the parts of excavator, which always offer negligible attention by excavator manufacturing industry. For maximum digging force condition the evaluated digging force can be used as boundary condition and loading condition to carry out static finite element analysis of excavator bucket tooth. This paper is mainly concentrate on backhoe excavator loader on wheel. For general backhoe loader digging forces find out by SEA J1179 standard. According SEA J1179 arm cylinder crowd force and bucket cylinder curl force calculated and maximum bucket cylinder curl force is used for critical analysis of excavator bucket tooth at maximum breakout force condition. General purpose excavator bucket tooth like standard bolt on tooth and heavy duty fanggs digging tooth, long tooth, tiger tooth ,twin tiger tooth and abrasion tooth are analyzed for their smallest series dimension and by observing their von mises stresses , total deformation patter necessary optimization are suggested and checked.