Exergy analysis of incremental sheet forming |
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| Authors: | M A Dittrich T G Gutowski J Cao J T Roth Z C Xia V Kiridena F Ren H Henning |
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| Affiliation: | (1) Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA;(2) Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Rd., Evanston, IL 6020, USA;(3) Mechanical Engineering Faculty, Penn State Erie, The Behrend College, 5091 Station Road, Erie, PA 16563, USA;(4) Ford Motor Company, Dearborn, MI 48124, USA;(5) Institute of Production Engineering and Machine Tools (IFW), Leibniz Universit?t Hannover, An der Universit?t 2, 30823 Garbsen, Germany;(6) Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Rd., Evanston, IL 6020, USA |
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| Abstract: | Research in the last 15 years has led to die-less incremental forming processes that are close to realization in an industrial
setup. Whereas many studies have been carried out with the intention of investigating technical abilities and economic consequences,
the ecological impact of incremental sheet forming (ISF) has not been studied so far. Using the concept of exergy analysis,
two ISF technologies, namely single sided and double sided incremental forming, are investigated and compared to conventional
forming and hydroforming. A second exergy analysis is carried out with the purpose of examining the environmental impact of
different forming technologies from a supply chain perspective. Therefore, related upstream activities (die set production,
aluminum sheet production and energy conversion and supply) are included into the exergy analysis. The entire supply chain
is modeled with Matlab/Simulink. The results of both analyses suggest that ISF is environmentally advantageous for prototyping
and small production runs. |
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