Abstract
In this article, we present a numerical model of a magnetic abrasive finishing station, which was analyzed using the finite element method (FEM). The obtained results were compared with the real values measured on an experimental station of our own design. The prepared station had the option of adjusting the magnetic flux density inside the machining gap, the width of which could be changed from 10 to 30 mm. The maximum value of the magnetic flux density inside the air gap was 0.8 T. The real distribution of magnetic flux density in the finishing area was also analyzed. A design of experiment was carried out with the following variables: abrasive grain concentration, width of the machining gap, and process duration. The results are presented in the form of regression equations and characteristics for selected roughness parameters.
Highlights
Magnetic Abrasive Finishing StationThe development of industry triggers demand for finishing technologies to produce high-quality products in terms of their mechanical and physical properties
In the machining gap,machining as the most interesting area, interesting the finite element mesh waselement con- mesh was condensed in order to determine more precisely thedensity magnetic flux inside density densed in order to determine more precisely the magnetic flux values it values inside it (Figure large surrounding area was adopted around the model, (Figure 9) [12]
A large surrounding area was adopted around the model, which made it which made it possible to assess the magnetic fringe fieldindividual closed between individual elements of the possible to assess the magnetic fringe field closed between elements of the exexperimental station
Summary
The development of industry triggers demand for finishing technologies to produce high-quality products in terms of their mechanical and physical properties. An aspect that affects both features is the structure of the surface layer, which determines its quality. Proper preparation of the surface in terms of roughness, shape accuracy, and stress distribution significantly affects the functional properties of products, such as tightness, corrosion resistance, electrical conductivity, adhesion level, fatigue, and abrasive wear [1–3]. Magnetic abrasive finishing is an unconventional manufacturing technique that makes it possible to significantly reduce surface roughness [4,5]. In order to achieve the desired effects, it is important to design appropriate finishing kinematics [6–9]. Modelling plays the key role in designing process. You can find interesting works concerning finite element method (FEM) magnetic field modelling, an example of which is Kariganaur, Kumar and Arun [10], who present axisymmetric magnetorheological damper model and its analysis using ANSYS finite element (FE) to simulate a distribution of magnetic field in the fluid flow region
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