Numerical Analysis Of Thermal Phenomena And Deformations
In Processing Zone In The Centerless Continuous Grinding Process
Author(s)
L. Kukiełka & J. Kustra
Abstract
Numerical analysis of thermal phenomena and
deformations in processing zone in the
centerless continuous grinding process
L. Kukielka & J. Kustra
Department of Mechanical Engineering,
Technical University of Koszalin, Poland
Abstract
The paper presents the physical and mathematical models of deformations and
heat transfer in the continuous centerless grinding process for axial-symmetric
workpieces. The process is considered as a geometrical, physical and thermal
initial and boundary value problem. The phenomena on a typical incremental
step were described using a step-by-step incremental procedure, with updated
Lagrangian formulation. The variational equation of motion and heat transfer in
three dimensions for th~s case has been proposed. Then, we have used the finite
elements methods (FEM) and dynamic explicit method (DEM) to obtain the
solution. Examples of calculations of the displacement, strain and stress field in
the surface layer zones for two methods of calculation are presented.
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