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MECSOL 2022
8th International Symposium on Solid Mechanics
DYNAMIC, VIBRATIONAL ANALYSIS AND PROTOTYPE SIZING OF ROTARY MACHINE WITH PASSIVE MAGNETIC BEARINGS
Submission Author:
André luís Rodriques Santana , PI
Co-Authors:
André luís Rodriques Santana, Izac Sousa Vieira, Alfredo Hugo Valença Perazzo Morillo
Presenter: Alfredo Hugo Valença Perazzo Morillo
doi://10.26678/ABCM.MECSOL2022.MSL22-0187
Abstract
Rotary machines denote an important part of industrial society. Robust or not, they always tend to automate processes, transmit forces or make them less complex. The operation of the machines is fully connected to dynamic and vibrational forces due to high speeds and variations over time. This article designs and simulates a rotating system with magnetic bearings that discard mechanical friction, through magnetic levitation combined with low cost, ease of use and assembly. The use of free and cloud software for the creation and dynamic and vibrational simulations of the project, as well as to attest to the physical effects present in the operation of the equipment, attest to a didactic technique in dynamics. In the current context, the Frame of the machine and the printed one on ABS material facilitating its construction preventing design interference due to its versatility. Having, numerically, a flexible structure. The shaft in low density material - polycarbonate, translucent and flexible - so that it can be visualized on a micro scale that has no magnetic or mechanical interference between the bearing and shaft. In total, there are three bearings: two radial and one axial, composed of neodymium - N35. The rotating system and its components follow the Lagrangian differential equations and the Newton-Raphson Method. Natural frequencies, dynamic responses of the axis and structure are obtained. As well as the external forces, total deformation energy and kinetic energy of the shaft are calculated for the machine, thus being able to show the significant deformations due to the dynamic rotating loads of the shaft and its influence on the disc, frame and bearing assembly.
Keywords
rotordynamic analysis, natural frequencies, Magnetic Bearing, rotating systems
