JOURNAL OF THE JAPAN WELDING SOCIETY
Online ISSN : 1883-7204
Print ISSN : 0021-4787
ISSN-L : 0021-4787
Fundamental Investigation on Automatic Controlled Arc Welding (Report 1)
Principle for Optical Joint Configuration Sensing
Yoshiaki ArataKatsunori Inoue
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1979 Volume 48 Issue 7 Pages 493-498

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Abstract

Theprinciple for the optical joint configuration sensing method developed by authors is described. In this method, the joint configuration near by the welding arc, generation point is projected on the screen of the image receiver of conventional type which is composed of two lenses and focussing screen. The image on the screen can easily be converted into electrical signal and the on-line joint configuration sensing during arc welding can be performed.
The sensing characteristics on the obtained image are investigated by assuming a primary geometrical model and several limits of sensing ability are estimated qualitatively and quantitatively. The results are compared with the experiment.

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