Energy efficiency of machine tools: extending the perspective

Christoph Herrmann, Sebastian Thiede, André Zein, Steffen Ihlenfeldt, Peter Blau

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Due to increasing energy costs and the environmental impact of energy generation, energy consumption has become a major topic in manufacturing in the last years. Thereby, the energy consumption of production machines as interaction of different components is not static but rather highly dynamic depending on the operation mode. Hence, as a prerequisite for optimizing energy efficiency on the machine level it is crucial to understand the energy consumption behavior. Analyzing certain energy profiles of production machines is a common way in research nowadays to identify main drivers of consumption and derive optimizing measures. However, whereas only focusing on electricity as input variable these analyses do not provide the full picture of energy flows within the machines and neglect existing coherences and significant energy losses. Therefore a holistic perspective on the system machine tool considering all relevant input and output flows (eg heat, compressed air, coolant) and supporting equipment (eg filter systems) with all interdependencies is necessary to avoid problem shifting and enable the identification of further optimization potentials. Against this background, based on an overview of recent research and own findings/measurements the paper shows the necessity and potentials of an extended perspective on machine tool energy consumption.
Original languageEnglish
Title of host publicationProceedings of the 42nd CIRP International Conference on Manufacturing Systems
Subtitle of host publicationJune 3-5, 2009 Grenoble, France, 2009
PublisherTechnical University of Braunschweig
Number of pages7
Publication statusPublished - 2009
Externally publishedYes
Event42nd CIRP Conference on Manufacturing Systems, CIRP CMS 2009: Sustainable development of Manufacturing Systems - Grenoble, France
Duration: 3 Jun 20095 Jun 2009
Conference number: 42


Conference42nd CIRP Conference on Manufacturing Systems, CIRP CMS 2009
Abbreviated titleCIRP CMS


  • Machine tools
  • Energy efficiency


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