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The Analyses of Dynamic Stability at Milling Machine Tools

[+] Author Affiliations
Petru A. Pop

Oradea University, Oradea, Romania

Paper No. DETC2009-86070, pp. 1325-1334; 10 pages
doi:10.1115/DETC2009-86070
From:
  • ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B
  • San Diego, California, USA, August 30–September 2, 2009
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4898-2 | eISBN: 978-0-7918-3856-3
  • Copyright © 2009 by ASME

abstract

The paper has presented a study about dynamic stability of universal precision milling machine, using four side-milling cutters. These cutters with three edges and inserts have different geometrical parameters, constant and variable pitch angle. For study of milling cutting process has used a dynamic installation, ensured the acquisition of vibrations and cutting forces from three axes of milling machine. The installation is making by milling machine (FUS 22-modified), dynamometer with 16 strain gages, electronic bridge circuit, accelerometer and computer. The calculus and interpretation of dynamic tests have done by MATLAB Program, being recorded approx. 500 tests. For each side milling cutter has plotted stability diagrams, which established the dynamic performances of milling machine and given the solutions of improving process. The side-milling cutters with variable pitch angle had enhancement the dynamic stability of milling process, by suppressing the amplitude of vibrations and cutting forces.

Copyright © 2009 by ASME

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