Lubricants are necessary to avoid adhesion, galling, and scratching in aluminum stamping processes. In this study, various lubricants, including dry lubes and wet lubes, were evaluated using cup drawing test (CDT) for stamping of Al 5182-O aluminum sheets. The effects of surface texturing, with electro-discharge texturing (EDT) and mill finish (MF), on the friction behavior were also investigated. Furthermore, the methodology to evaluate the performance of lubricants was established based on (a) maximum applicable blank holder force (BHF) and (b) draw-in length in flange or flange perimeter of formed cups. Finite element (FE) simulations were carried out to determine the coefficient of friction (CoF) at tool–workpiece interface during deep drawing under different lubrication conditions. Flow stress data of Al 5182-O material were obtained using viscous pressure bulge (VPB) and tensile tests. In this study, it was confirmed that, in forming Al 5182-O, dry film lubricants have better lubricity than wet lubricants. A better lubrication condition was found with EDT surface texture.
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October 2015
Research-Article
Evaluation of Lubricants for Stamping of Al 5182-O Aluminum Sheet Using Cup Drawing Test
Long Ju,
Long Ju
School of Mechanical Engineering,
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ivanbj88@gmail.com
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ivanbj88@gmail.com
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Tingting Mao,
Tingting Mao
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: mao.64@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: mao.64@osu.edu
Search for other works by this author on:
Julio Malpica,
Julio Malpica
Honda Engineering of North America, Inc.,
24000 Honda Parkway,
Marysville, OH 43040
e-mail: Julio_Malpica@ega.honda.com
24000 Honda Parkway,
Marysville, OH 43040
e-mail: Julio_Malpica@ega.honda.com
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Taylan Altan
Taylan Altan
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
Search for other works by this author on:
Long Ju
School of Mechanical Engineering,
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ivanbj88@gmail.com
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ivanbj88@gmail.com
Tingting Mao
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: mao.64@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: mao.64@osu.edu
Julio Malpica
Honda Engineering of North America, Inc.,
24000 Honda Parkway,
Marysville, OH 43040
e-mail: Julio_Malpica@ega.honda.com
24000 Honda Parkway,
Marysville, OH 43040
e-mail: Julio_Malpica@ega.honda.com
Taylan Altan
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received January 14, 2015; final manuscript received May 19, 2015; published online September 4, 2015. Assoc. Editor: Blair E. Carlson.
J. Manuf. Sci. Eng. Oct 2015, 137(5): 051010 (8 pages)
Published Online: September 4, 2015
Article history
Received:
January 14, 2015
Revision Received:
May 19, 2015
Citation
Ju, L., Mao, T., Malpica, J., and Altan, T. (September 4, 2015). "Evaluation of Lubricants for Stamping of Al 5182-O Aluminum Sheet Using Cup Drawing Test." ASME. J. Manuf. Sci. Eng. October 2015; 137(5): 051010. https://doi.org/10.1115/1.4030750
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