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Increasing the efficiency of metal-cutting machining centres


50% reduction in the energy consumption possible

Modern machine tools offer a diverse range of possibilities: they drill, mill, saw, turn and grind fully automatically. These production steps, which comprise the different metal-cutting processes, often only make up around 20% of the machine’s energy consumption.

4-axis machining centre MAG XS-211 (© TU Darmstadt).

Most of the energy is consumed by peripheral systems such as the hydraulics, cooling and lubrication. The BINE-Projektinfo brochure “Making machine tools work more efficiently” (03/2014) presents a research project that analysed the energy consumption of the individual machine components and developed optimisation concepts.

Energy savings of up to 50% are possible. In some cases the additional measures pay for themselves after just a few months.

The most energy intensive components in machine tools are the cooling lubricant systems, machine cooling and hydraulics. These formed the focus of the research work. For the investigations, a 4-axis machining centre was used similar to those deployed in the automotive industry, and which was re-equipped for research purposes.

This has resulted in a diverse range of optimisation concepts for individual components. As part of the project, a software tool has also been developed that compares various configurations for machine tools and supplies analyses of the energy consumption and costs at an early stage.

The research project is being led by the Institute for Production Management, Technology and Machine Tools (PTW) at TU Darmstadt. Partner companies are also involved from the mechanical engineering, component manufacturing and automotive production fields.

The BINE-projectinfobrochure, which can be obtained free of charge from the BINE Information Service at FIZ Karlsruhe, is available online at or by calling +49 (0)228 92379-0.

Press contact
Uwe Milles

About BINE Information Service

Energy research for practical applications

The BINE Information Service reports on energy research topics, such as new materials, systems and components, as well as innovative concepts and methods. The knowledge gained is incorporated into the implementation of new technologies in practice, because first-rate information provides a basis for pioneering decisions, whether in the planning of energy-optimised buildings, increasing the efficiency of industrial processes, or integrating renewable energy sources into existing systems.

About FIZ Karlsruhe

FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is a not-for-profit organization with the public mission to make sci-tech information from all over the world publicly available and to provide related services in order to support the national and international transfer of knowledge and the promotion of innovation.
Our business areas:
• STN International – the world’s leading online service for research and patent information in science and technology
• KnowEsis – innovative eScience solutions to support the process of research in all its stages, and throughout all scientific disciplines
• Databases and Information Services – Databases and science portals in mathematics, computer science, crystallography, chemistry, and energy technology
FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.

Weitere Informationen: - Download cover, press release and info-pdf - BINE Informationsdienst english

Rüdiger Mack | idw - Informationsdienst Wissenschaft

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