Due to the expense and negative environmental impact of commonly used conversion coating type lubricants a new method for reducing the friction in the extrusion process is desired. This paper investigates the possibility of modifying the die set to better the tribological conditions and reduce friction in the extrusion process. A novel design of extrusion tooling is proposed, in which the die set is segmented into three separate pieces, a punch, a wall die, and a bottom die. Additionally, the wall die is given the freedom to move along the axis of the punch and a high pressure lubricant is supplied to the interface between the wall and bottom dies. Preliminary tests of the segmented tooling show that, if the tribological conditions are severe enough, the forming load will decrease in comparison to a conventional extrusion system.
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ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference
June 9–13, 2014
Detroit, Michigan, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4581-3
PROCEEDINGS PAPER
Enhancement of Tribological Performance via Innovative Tooling Design for Extrusion Processes
James B. Lowrie
,
James B. Lowrie
North Carolina State University, Raleigh, NC
Search for other works by this author on:
Gracious Ngaile
Gracious Ngaile
North Carolina State University, Raleigh, NC
Search for other works by this author on:
James B. Lowrie
North Carolina State University, Raleigh, NC
Gracious Ngaile
North Carolina State University, Raleigh, NC
Paper No:
MSEC2014-4170, V002T02A087; 8 pages
Published Online:
October 3, 2014
Citation
Lowrie, JB, & Ngaile, G. "Enhancement of Tribological Performance via Innovative Tooling Design for Extrusion Processes." Proceedings of the ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. Volume 2: Processing. Detroit, Michigan, USA. June 9–13, 2014. V002T02A087. ASME. https://doi.org/10.1115/MSEC2014-4170
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