Analysis and Modeling of GTAW Weld Pool Geometry - Intelligent Computing for Sustainable Energy and Environment - page 286

computer to move up and
welding speed can also be
was stainless steel 304, and

down for adjusting the arc length. The current and
e controlled conveniently. The material used in this pa
d the thickness of the pipe was 2.03 mm.

the
aper

Fig. 1. GTAW control sy stem structure Fig. 2. Experiment system for pipe GTAW W

After the reflected point
the plane were processed
surface. The process includ
original reflected image
reconstructed points, point
shape are given in the Fig.
was 1.5 mm/s and arc lengt

s were captured, the captured two dimensional images
to obtain three dimensional geometry of the weld p
des calibration, image processing, and reconstruction. T
, processed image, points after image processi
ts in horizontal plane, and three dimensional weld p
3 where welding current was set at 60 A, welding sp
th was 4mm.

s on
pool
The
ing,
pool
peed

Fi g. 3. Weld pool reconstruction results