Comparison of FLD and thickness distribution on AA5052 aluminium alloy formed parts by incremental forming process

摘要

Incremental forming process is one of the most promising newer techniques in metal forming process. Formability of analysis has to be carried out in order to obtain successful forming process. This paper aims to study the forming behavior of AA5052 aluminium alloy through incremental forming process. Truncated square pyramid and cone are formed to study the formability of AA5052 aluminium alloy at room temperature. A computer controlled numerical machine was used for forming. Forming limit diagram (FLD) is used to study the behavior of sheet metal. FLD and thickness distribution has been predicted and compared for both the shapes. The forming limit diagram obtained through incremental forming very much varies from conventional forming limit diagram. Comparison of FLD and thickness distribution shows that cone has higher forming limit than square cup and the thickness after forming is better in cone shapes than in square cups.