1. Department of Technical Sciences, University of Applied Sciences in Nysa, 48-300 Nysa, Poland
2. Institute of Mechanical Engineering, University of Zielona Gora, 65-417 Zielona Góra, Poland
3. Professorship Production Systems and Processes, Chemnitz University of Technology, 09126 Chemnitz, Germany
4. COWAN GmbH, 03172 Guben, Germany