Parameters of roll contact curves of two-roll modules

Abstract

Analytical dependencies were obtained to calculate the lengths of roll contact curves, the lengths of the slip and no-slip zones, and angles that determine the position of the separation points of these zones. It was revealed that the slip zones asymptotically decrease to zero with an increase in the angle of inclination of the material to the line of centers. It was determined that an increase in the radii of the rolls and the projection of external forces on the axis, and a decrease in the projection of external forces on the axis led to an increase in the slip zone and a decrease in the no-slip zone.

Force parameters of roller machines

“…The variety of purposes of machines, the difference in their parameters and the difference in the material being processed led to the publication of a large number of articles devoted to mathematical modeling of the shape of roll contact curves [2][3][4][5][6] and the patterns of distribution of contact forces [7][8][9][10][11][12][13][14][15][16][17]. The calculation of the power parameters of roller machines in these publications was performed using the mathematical models obtained.…”

Technological parameters of roller machines

“…Studies in [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] are devoted to the mathematical modeling of hydraulic pressure. The calculations of the technological parameters of squeezing machines in these publications were conducted using the mathematical models obtained.…”