Application of Chaotic Signals for Improving the Performance of New Generation Ball Mills

Abstract

New Generation Ball Mills have started to be preferred in milling systems regarding energy efficiency in recent years. In this article, modernization studies have been carried out to ensure that the current new generation ball mill (NGBM) operates on a chaotic basis. In experimental studies, chaotic signals loaded on the PLC device moved the milling chamber chaotically on horizontal or circular axes. While the grinding chamber is moving at constant speeds in both the horizontal and circular axis in the current NGBM, the improved New Generation Ball Mill (INGBM) has gained the ability to move at constant or chaotic speeds in both horizontal and vertical axes. In this study, the milling chamber of INGBM has a constant frequency speed in the horizontal and circular axes in the first scenario, a chaotic system in the horizontal axis, and a constant frequency speed in the circular axis in the second scenario. In the third scenario, it was ensured that it was moved at constant frequency speed in the horizontal axis and with the chaotic system in the circular axis. Experimental studies were carried out on the milling of SiC powder, which was chosen as an example in all scenarios. Sieve Analysis method and Scanning Electron Microscope (SEM) analysis methods were used when examining the ground powders. For both methods, the best results were obtained in the horizontal axis constant frequency speed (35 Hz) and circular axis chaotic (23-27 Hz, Lorenz system) operating scenario. It is seen that INGBM is 42% better in the powder size criterion and 3.44% better in the energy efficiency criterion. © 2013 IEEE.