Abstract
The paper presents the research work carried out at Ł–IMŻ on the optimisation of the technology for producing an innovative powder for slide gates as part of a research project carried out for PEDMO S.A. in Tychy. Attention was paid to the developed method for assessing the efficiency of coating powder grains with a sintering process inhibitor using thermal analysis. It is an important element in assessing the quality of the powder, and thus allowed to optimise the parameters of its production technology. In order to determine the effectiveness of coating powder grains with a carbon layer of sintering inhibitor, a number of experiments were carried out using a thermal analyser, controlling the type of gases emitting during sample heating, therefore the influence of various factors on the mixer working temperature, such as the temperature in the production hall, raw material temperature and mixer operation time, was examined. An additional area of study was the registration and analysis of acoustic signals emitted by the mixer, carried out in cooperation with EC TEST Systems to develop an objective method for determining the end of the powder coating process, which can be implemented in a production line automation system.
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