Holistic Approach for an Energy-Flexible Operation of a Machine Tool with Cooling Supply.

Lindner, Martin; Grosch, Benedikt; Elserafi, Ghada; Dietrich, Bastian; Weigold, Matthias

The following paper examines the practicality of a methodical approach for energy-flexible and energy-optimal operation in the field of metal-cutting production. The analysis is based on the example of a grinding machine and its central cooling-supply system. In the first step, an energy-flexibility data model is built for each subsystem, which describes energy flexibility potentials generically. This is then extended to enable combined energy cost-optimal production planning. As a basis for the links between the data model representations, the cold flows between the subsystems are modeled using parameter-estimation methods, which have a mean absolute error of only 2.3 percent, making the subsequent installation of heat meters unnecessary. Based on the presented approach, the results successfully validate the possibility of energy-flexible cost-optimal and sensor-reduced production planning by reducing energy costs by 6.6 percent overall and 1.9 percent per workpiece produced.

MACHINE tools; PRODUCTION planning; ENERGY industries; METAL cutting; GRINDING machines; WORKPIECES

Energies (19961073), 2023, Vol 16, Issue 9, p3943

1996-1073

Academic Journal

10.3390/en16093943