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Reducing energy and lubricants in the automotive industry
In mechanical engineering, maximum precision is required for the final machining. Therefore in order to ensure the quality of the workpieces, it is important that as little frictional heat as possible is created and the unavoidable rash is removed. The latest BINE-Projektinfo brochure “Energy efficient finishing in mechanical engineering” (03/2013) presents a new grinding process for the automotive industry that requires minimum amounts of lubricants and coolants. In comparison with the previously standard flood cooling, the new process halves the energy consumption.
The new process, called minimum quantity lubrication, has been tested for the first time on an industrial scale on the camshaft production line at Volkswagen AG’s factory in Salzgitter. The researchers optimised the grinding machine, abrasive body and the lubricant feed. The aim was to create no more frictional heat than can be removed via the tool and chips without damage. For this purpose the manufacturing process for the grinding media was changed, whereby it was furnished with a lasered, microstructured surface. The lubricant is now sprayed on via a dual-channel nozzle system. This enables the compressed air and lubricant to be optimally mixed.
The manufacture of camshafts provided a natural choice as a pilot application because the induction-hardened chromium steels, workpiece geometry and the required precision are very demanding. If this project runs successfully, the new process can also be transferred to other production processes.
The previous results have been very promising. With the two million camshafts produced at Salzgitter every year, the electricity consumption during their production can be reduced by at least 2.4 million kWh. This contrasts with the minimal additional investment of four cents per camshaft. The BINE Projektinfo brochure “Energy efficient finishing in mechanical engineering” (2013/2012), which can be obtained free of charge from the BINE Information Service at FIZ Karlsruhe, is available online at www.bine.info or by calling +49 (0)(0)228 92379-0.
Press contact
Uwe Milles
presse(at)bine.info
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:
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FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.
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The BINE-Projektinfo brochure “Energy efficient finishing in mechanical engineering” (03/2013)
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The BINE-Projektinfo brochure “Energy efficient finishing in mechanical engineering” (03/2013)
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