Simulation of a Steel Wire Straightening Taking into Account Nonlinear Hardening of Material

  • I. Khromov Department of Technical Mechanics and Science of Machines, Sevastopol National Technical University, Ukraine
  • R. Kawalla Institute of Metal Forming, TU Bergakademie Freiberg, Germany
Keywords: elastic-plastic deformation, deflected mode, nonlinear hardening, straightener

Abstract

Straightening is used to ensure the straightness of a rod workpiece as well as to redistribute or reduce the residual stresses in a finished product. The accuracy of modeling the operation of this kind plays an important role when manufacturing high quality ropes and cables of a small diameter. The physical model of alternating wire bending in a straightener has been considered in the paper. Computer methodology has been developed to calculate deflected mode and internal bending moment in a cross section of a wire at the different stages of deformation, which allowed taking into account nonlinear hardening of the material.

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