Compressed air is a clean solution for energy transmission, but it is also an expensive way to provide energy. In times of international competition of manufactures, it is important to identify possibilities to decrease manufacturing costs. The contribution at hand focuses on the optimization of providing compressed air. Most compressed air systems provide the working fluid not only in the periods when required, but also 24/7. We set up milling machines as a test system to detect the optimization potentials like leaks, additional valves and the identification of time intervals in which compressed air is actually needed. The test setup is changed after every measuring phase with the result of reducing the compressed air consumption by up to 50%.

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