Specular reflection based sensing surface deformation of gas tungsten arc weld pool

Shiliang Zhang, Jinqiang Gao, Chuansong Wu, Yuming Zhang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A sensing system is developed to measure the weld pool boundary and pool surface deformation in gas tungsten arc welding. LaserStrobe technique is used to eliminate the strong arc light interference, and specular reflection from the pool surface is sensed to describe the relation between the deformed stripes and pool surface depression. Clear images of both the pool boundary and the deformed stripes edges are obtained during gas tungsten arc welding process, which lays foundation for realtime monitoring the pool surface depression and weld penetration.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalChina Welding (English Edition)
Volume16
Issue number2
StatePublished - Jun 2007

Keywords

  • Specular reflection
  • Vision sensing
  • Weld pool surface deformation

ASJC Scopus subject areas

  • Mechanics of Materials
  • Industrial and Manufacturing Engineering

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