RESEARCH PAPER
Numerical Simulation of Shear Slitting Process of Grain Oriented Silicon Steel using SPH Method
1
Faculty of Mechanical Engineering, Koszalin University of Technology, Racławicka 15-17 str., 75-620 , Koszalin, Poland
Submission date: 2017-04-05
Acceptance date: 2017-12-12
Online publication date: 2017-12-30
Publication date: 2017-12-01
Acta Mechanica et Automatica 2017;11(4):333-338
KEYWORDS
ABSTRACT
Mechanical cutting allows separating of sheet material at low cost and therefore remains the most popular way to produce laminations for electrical machines and transformers. However, recent investigations revealed the deteriorating effect of cutting on the magnetic properties of the material close to the cut edge. The deformations generate elastic stresses in zones adjacent to the area of plastically deformed and strongly affect the magnetic properties. The knowledge about residual stresses is necessary in designing the process. This paper presents the new apprach of modeling residual stresses induced in shear slitting of grain oriented electrical steel using mesh-free method. The applications of SPH (Smoothed Particle Hydrodynamics) methodology to the simulation and analysis of 3D shear slitting process is presented. In experimental studies, an advanced vision-based technology based on digital image correlation (DIC) for monitoring the cutting process is used.
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