Abstract
A two-dimensional finite element analysis has been performed to investigate hydromechanical and conventional deep drawing processes. The effects of the fluid structure interaction on the material formability, the strain and the thickness distributions are investigated. Large plastic deformation is observed in the plank at the bottom and the corner of the punch. Plastic deformation distribution results show a difference between the hydromechanical deep drawing process and the conventional deep drawing which is due to the friction effect. This latter represents one of the major features of the hydromechanical deep drawing process. Concerning the formability of the blank, the obtained results show that the hydromechanical deep drawing process gives a better formability than the conventional deep drawing process.
Highlights
Deep drawing is a manufacturing operation in which a thin sheet metal is deformed plastically to take the form of the punch or the die geometry
Plastic deformation distribution results show a difference between the hydromechanical deep drawing process and the conventional deep drawing which is due to the friction effect
We can see that the use of the fluid in the hydromechanical deep drawing (HDD) process has a significant influence on the strain distribution
Summary
Plastic deformation distribution results show a difference between the hydromechanical deep drawing process and the conventional deep drawing which is due to the friction effect. Deep drawing is a manufacturing operation in which a thin sheet metal is deformed plastically to take the form of the punch or the die geometry. Comparing the HDD process with conventional deep drawing process (CDD) (Fig. 1(a)) it can be noticed some differences in tools, contact conditions and producing technology.
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