UDC 621.382: 621.923.9
INVESTIGATION OF ABRASIVE GRAINS MOTION IN A SEALED LAYER DURING PIEZOELECTRICS PLATE POLISHING
S. V. Nelyubov, post-graduate student, LNU, Lugansk; This email address is being protected from spambots. You need JavaScript enabled to view it.
V. A. Voytenko, Ph.D. (Tech.), associate professor, Head of the Department, LNU, Lugansk; This email address is being protected from spambots. You need JavaScript enabled to view it.
The problem of piezoelectric plates fine-tuning to a given size by grinding with free abrasive is considered. The aim is to determine optimal parameters of grinding process. A mathematical model is proposed for studying the movement of free abrasive grains in a compacted layer between the grinding wheel and the processed piezoelectric plate. According to the results of a computer experiment, the dependences of velocities, accelerations of abrasive grains, forces and moments acting on grains are established as a function of grinding time for given combinations of compacted layer parameters and parameters of grinding process. The dependences obtained allow us to make an informed choice of compacted layer parameters and grinding process parameters according to the criterion of maximum residence time of free abrasive grains in a working layer at the surface of piezoelectric plate.
Key words: piezoelectric plate, grinding, grinder, abrasive grains, compacted layer, abrasive suspension, mandrel, mathematical model.