ANALYSIS OF FUNCTION APPROXIMATION OF THE WEAR TOOLS FOR TURNING OF THE CAST IRON GG-25 BY NITRIDE CERAMIC CUTTING TOOLS

  • DAŠIÆ PREDRAG
    HIGH TECHNOLOGICAL TECHNICAL SCHOOL, UNIVERSITY OF KRAGUJEVAC (SERBIA AND MONTENEGRO)
  • NEDIÆ BOGDAN
    HIGH TECHNOLOGICAL TECHNICAL SCHOOL, UNIVERSITY OF KRAGUJEVAC (SERBIA AND MONTENEGRO)
  • JEÈMENICA RATOMIR
    HIGH TECHNOLOGICAL TECHNICAL SCHOOL, UNIVERSITY OF KRAGUJEVAC (SERBIA AND MONTENEGRO)

Abstract

In this paper is analised the dependence regression between flank wear tools or wear out of belt width on the back surface VB and cutting time t in the form of complex power-exponential regression equation for turning of cast iron GG-25 of cutting tools from nitride ceramic for the different values of the cutting speed v=60, 90 and 120 ?m/min?. Correlation coefficient for given examples of experimental researching is most R=0,998 and mean relative error of experiment is less α=1,25%.

Cuvinte cheie

metalworking turning ceramic cutting tool wear tool