Browsing by Subject "vibratory mill"

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Access status: Open Access ,
A mechanical layered model of a vibratory mill
(2010) Sidor, Jan
Vibratory mills are applied in processes of mechanical production of powders, micropowders, nanopowders and nanostructures. The paper comprises a description of tube mills operation: vibratory and rotary-vibration ones. It also presents their application and construction description including two industrial mills elaborated at the AGH University of Science and Technology in Krakow. There is also a brief analysis of existing models of mechanical vibratory mills. The main part of the paper deals with a model of mechanical vibratory mill known as a layered model. The most important element is a quantitative view of the load movement (grinding media with material) in the chamber. The model also takes into account the whole mechanical system of the mill i.e. inertial vibrator, vibro-isolation system and drive. The model was elaborated for the purposes of the mill computer simulation. During the simulation there were accepted the same technological (grinding media, ground material, grinding process) and kinematic parameters of the mill as the ones that occur in a real object i.e. the laboratory rotary-vibration LAMOW-B-5/2 mill. The paper includes results of a computer simulation of the model. The final part of the work verifies the computer simulation on the same mill and at the same kinematic and technological parameters of the mill and grinding process. Positive results of the verification indicate some possibilities of its application in designing of industrial and laboratory vibratory and rotary-vibration mills.