Modeling study of the hydrodynamic arc breaking mechanism in BEAM

Wansheng Zhao, Lin Gu, Fawang Zhang, K. P. Rajurkar

Research output: Contribution to journalArticle

Abstract

Blasting erosion arc machining (BEAM) utilizes thermal effect of the arc rather than spark to remove workpiece material. This paper investigates the expansion and distortion rules of the discharge channel based on the analysis of high speed photography and the micrographs of craters to study mechanism of BEAM. Based on these investigations, a thermal finite element model is developed. Then the temperature distributions in workpieces, both with and without flushing, are obtained. The comparisons of the obtained temperature distributions explain the formation of the trailing crater and the effect of hydrodynamic arc breaking mechanism on the efficiency of BEAM.

Original languageEnglish (US)
Pages (from-to)189-192
Number of pages4
JournalCIRP Annals
Volume67
Issue number1
DOIs
StatePublished - Jan 1 2018

Fingerprint

Blasting
Erosion
Machining
Hydrodynamics
Temperature distribution
High speed photography
Electric sparks
Thermal effects

Keywords

  • BEAM discharge model
  • Blasting erosion arc machining (BEAM)
  • Hydrodynamic arc breaking mechanism (HABM)

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Modeling study of the hydrodynamic arc breaking mechanism in BEAM. / Zhao, Wansheng; Gu, Lin; Zhang, Fawang; Rajurkar, K. P.

In: CIRP Annals, Vol. 67, No. 1, 01.01.2018, p. 189-192.

Research output: Contribution to journalArticle

Zhao, Wansheng ; Gu, Lin ; Zhang, Fawang ; Rajurkar, K. P. / Modeling study of the hydrodynamic arc breaking mechanism in BEAM. In: CIRP Annals. 2018 ; Vol. 67, No. 1. pp. 189-192.
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