A review on experimental and numerical studies on micro deep drawing considering size effects and key process parameters

Chinchanikar, Satish; Kolte, Yash

doi:10.1080/14484846.2022.2073021

Cited by 5 publications

(2 citation statements)

References 65 publications

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“…From the above figures, the increase in the speed testing machine led to an increase in the max load punch, and the best case for the micro-deep drawing process takes place when using wax for lubricant. That clearly shows the improvement of products and the easy process of micro-deep drawing using a lubricant (wax), as presented in Figure (14). The lowest speed (5 mm/min) resulted in the best shape.…”

Section: Effect Of Drawing Speedmentioning

confidence: 70%

“…Herein, the micro-deep drawing process on aluminum foil was chosen instead of the conventional deep drawing process because the micro-deep process forms a cup using a blank sheet of material between 0.001 to 0.300 mm thick, which is much thinner compared with that used in the conventional deep drawing (between 0.09 to 1.0 mm). In addition, the process of micro-deep drawing uses a punch between 1 and 9 mm in diameter, much smaller than that used in the conventional deep drawing (between 100 and 1000 mm) [11][12][13][14]. Several defects are often found in micro-deep drawings, such as earing on the cup edge, folding and wrinkling in the flange and cup wall, and tearing in the corner radius [15,16].…”

Section: Introductionmentioning

confidence: 99%

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Lubricating materials as a novel approach to reduce defects of micro-deep drawing forming process

Khalil,

Shaker,

Yaseen

et al. 2024

J Appl Eng Science

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The deep drawing forming process, classified under sheet metal working, is a promising and essential metal forming process that has attracted much interest due to its wide application in micro-production. The process parameters, such as the cross-head speed of the machine, have a significant influence on the quality of the product. The impact of two essential parameters was investigated to minimize or eliminate the product's production defects, such as thinning, tearing, and scratching. The first one was the impact of using two types of lubricating oil (grease and wax), and the products were compared with the dry condition (without using a lubricating oil). The second is the impact of changing the cross-head speed of the machine from 5 to 15 mm/min. This work aims to determine the optimum operating condition that prevents any defect in the product. The results showed that using lubricating oil resulted in better product shape, and the wax is better than grease in eliminating product defects. In addition, the results showed that the lower machine speed is preferred for eliminating production defects, where the final product has no obvious thinning, tearing, or scratching. The final product shape was evaluated visually because eye observation is the only way to judge the product shape.

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Section: Effect Of Drawing Speedmentioning

confidence: 70%