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Sustainable Micro-Manufacturing of Micro-Components via Micro Electrical Discharge Machining

Author

Listed:
  • Francesco Modica

    () (Institute of Industrial Technologies and Automation, National Research Council (ITIA-CNR), Via Bassini 15, Milano 20133, Italy)

  • Valeria Marrocco

    () (Institute of Industrial Technologies and Automation, National Research Council (ITIA-CNR), Via Bassini 15, Milano 20133, Italy)

  • Giacomo Copani

    () (Institute of Industrial Technologies and Automation, National Research Council (ITIA-CNR), Via Bassini 15, Milano 20133, Italy)

  • Irene Fassi

    () (Institute of Industrial Technologies and Automation, National Research Council (ITIA-CNR), Via Bassini 15, Milano 20133, Italy)

Abstract

Micro-manufacturing emerged in the last years as a new engineering area with the potential of increasing peoples’ quality of life through the production of innovative micro-devices to be used, for example, in the biomedical, micro-electronics or telecommunication sectors. The possibility to decrease the energy consumption makes the micro-manufacturing extremely appealing in terms of environmental protection. However, despite this common belief that the micro-scale implies a higher sustainability compared to traditional manufacturing processes, recent research shows that some factors can make micro-manufacturing processes not as sustainable as expected. In particular, the use of rare raw materials and the need of higher purity of processes, to preserve product quality and manufacturing equipment, can be a source for additional environmental burden and process costs. Consequently, research is needed to optimize micro-manufacturing processes in order to guarantee the minimum consumption of raw materials, consumables and energy. In this paper, the experimental results obtained by the micro-electrical discharge machining (micro-EDM) of micro-channels made on Ni–Cr–Mo steel is reported. The aim of such investigation is to shed a light on the relation and dependence between the material removal process, identified in the evaluation of material removal rate (MRR) and tool wear ratio (TWR), and some of the most important technological parameters ( i.e. , open voltage, discharge current, pulse width and frequency), in order to experimentally quantify the material waste produced and optimize the technological process in order to decrease it.

Suggested Citation

  • Francesco Modica & Valeria Marrocco & Giacomo Copani & Irene Fassi, 2011. "Sustainable Micro-Manufacturing of Micro-Components via Micro Electrical Discharge Machining," Sustainability, MDPI, Open Access Journal, vol. 3(12), pages 1-14, December.
  • Handle: RePEc:gam:jsusta:v:3:y:2011:i:12:p:2456-2469:d:15204
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    More about this item

    Keywords

    micro-manufacturing process; micro-electro-discharge machining;

    JEL classification:

    • Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics
    • Q0 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General
    • Q2 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation
    • Q3 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Nonrenewable Resources and Conservation
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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