Reliability of electrode wear compensation based on material removal per discharge in micro EDM milling

Giuliano Bissacco, G. Tristo, Hans Nørgaard Hansen, J. Valentincic

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper investigates the reliability of workpiece material removal per discharge (MRD) estimation for application in electrode wear compensation based on workpiece material removal. An experimental investigation involving discharge counting and automatic on the machine measurement of removed material volume was carried out in a range of process parameters settings from fine finishing to roughing. MRD showed a decreasing trend with the progress of the machining operation, reaching stabilization after a number of machined layers. Using the information on MRD and discharge counting, a material removal simulation tool was developed and validated.
Original languageEnglish
JournalC I R P Annals
Volume62
Issue number1
Pages (from-to)179-182
ISSN0007-8506
DOIs
Publication statusPublished - 2013

Keywords

  • Electrical discharge machining (EDM)
  • Wear
  • Micromachining

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