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Energy Innovations Progress in Manufacturing Sustainability


Sustainable manufacturing approaches, standards initiatives and industry solutions were highlighted at a panel session June 13, 2013, at the NAMRC-MSEC advanced manufacturing conference, an annual event of the North American Manufacturing Research Institution of SME and the Manufacturing Engineering Division of ASME. Te University of Wisconsin-Madison hosted the conference June 10-14, with more than 400 academic, government and industry researchers and manufacturing leaders attending. Te panel was led by Kevin Lyons, group leader, life cycle engineering, National


Institute of Standards and Technology (NIST; Gaithersburg, MD), and David Dornfeld, professor and director, Laboratory for Manufacturing and Sustainability (LMAS), University of California-Berkeley, and emphasized the collective and consistent practice of sustainability for beneficial impact, that is, a common outlook on terminology, methodology, measurement science and tool development. Michael Overcash, Sam Bloomfield chair in sustainable


engineered systems, Wichita (KS) State University, explained that, while supply chain analysis tools are numerous and advanced, the approximately two million US manufacturing plants need tools that are noncomplex, transparent, robust and quantify the contribution or role in the environmental life cycle of a product or product family. Plants also increas- ingly must show their improvement in energy and materials efficiency. Te gate to gate (GTG) part of the product life cycle is


the manufacturing plant, where each product/family is a sequence of individual machines, each referred to as a unit process. A unit process life cycle inventory (UPLCI) maps the large number of steps from materials to product, with the analysis estimating energy and material loss in three compo- nents—standby or basic mode, idle or partial mode and tip or full mode. Tip energy is widely known, so standby and idle energies are the main focus. UPLCI is a basic screening method in the international effort CO2PE! (Cooperative Effort on Process Emissions), which further includes in-depth machine optimization. Overcash says UPLCI developers have learned to avoid too much detail at the


design level and have found that working on high-production processes reduces extreme results. Energy and mass efficiency results in the UPLCI format are highly credible because engineering and manufacturing aspects are transparent and can be changed. UPLCI is effective in rapid design, new materials and new process benchmarking. For more information, go to cratel.wichita.edu.uplci/.


Going green is good in and of itself. It’s even better when it pays a bonus in areas such as hiring.


Kevin Lyons, NIST group leader, life cycle engineering, was one of the two leaders of the panel discussion.


Ellen Kehoe Senior Editor, Journals & Technical Papers


Energy Manufacturing 2014 77


Photos courtesy the University of Wisconsin-Madison – Clara M. Pfefferkorn


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