Investigation of deep drawing of square cups using high-strength DP600 and DP800 sheets

Abstract

This study investigated the deep drawing of square cups using high-strength du-al phase DP600 and DP800 sheets via both experimental and finite element meth-ods. The limiting drawing ratio (LDR) and wall thickness distribution were exam-ined. The initial thickness of the materials used in the study was equal to 1-mm. The experiments were carried out at room temperature using both Teflon film and graphite spray lubricants at the same time. In terms of LDR, both experimental and numerical results corresponded with each other. A ratio of 1.97 LDR was reached for the DP600 steel and 1.92 LDR for the DP800. Given that the thick-ness distribution between the experimental and numerical results, an accord of over 90% was noticed. For the DP600 steel, the lowest experimental thickness value was 0.864 mm and the lowest numerical value was 0.87 mm. For the DP800 steel, the lowest experimental thickness value was measured to be 0.89 mm while the lowest numerical value was found to be 0.88 mm. In the conclusion, the pre-sent paper proves that the experimental results in the deep drawing of square cups can be achieved with very satisfying results by using numerical methods.

A Comprehensive Investigation of Deep Drawing Processes for a 2-Inch Diameter Dop-pipe Cap: Numerical and Experimental Analysis

“…Figure 4 illustrates explicitly the pattern observed in elements E47 and E48. This phenomenon is consistent with prior reported by [9] , which suggests that the thickness in this area increases due to the axial force applied to the material. However, the simulation results demonstrate greater accuracy and precision as the observed fluctuations in thickness are confined to a narrower range of variation.…”

“…The drawing ratio (β) is a critical numerical parameter in the cylinder drawing process, as it determines the number of drawing steps needed. The drawing ratio is the quotient of the initial blank diameter divided by the diameter of the drawn part [4,9,23]. The drawing ratio determines the maximum allowable deformation limit in deep drawing.…”

“…Multiple investigations on the deep drawing process have been conducted, including studies conducted by researchers [2,[5][6][7][8][9]]. An experiment was conducted using a square cup drawing, where the angle was systematically altered [10].…”

“…Park et al [14] conducted additional research to examine the impact of punch loading on the elliptical deep drawing process, which is used for automotive components. Sen et al [9] investigated square deep drawing using high-strength materials, specifically DP600 and DP80 steel. Studying cup deep drawing is crucial due to frequent occurrences of process failures.…”

The Square cup deep drawing: Technology transfer from experts to increase production in small and medium enterprise (SME) groups

“…The subsequent step involves calculating the D/H ratio, which is determined using Eq. (2) [22], [29].…”