TPT September 2012

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Technology News
64 September 2012
Online monitoring
of tube welds
CAVITAR Ltd has released CAVILUX®
Welding monitoring product family for the
online monitoring of welding processes.
CAVILUX Welding monitoring solutions
provide high quality real-time video
from the welding process and enable
the online visualisation of the melt pool
(boundary, shape, size, stability), filler
wire (position, length) and weld position
with respect to the gap position (visual
seam tracking).
Best possible video quality is enabled
by the optimal combination of camera,
laser illumination (visible or near
infrared), optics and filtering. Everything
is packaged into highly compact and
robust sensors that are designed for
challenging industrial environments and
are easy to integrate into production
lines and in some configurations even
into hand welding equipment. As an
example, it is possible to monitor
welding behind a corner, in severely
limited space (eg inside a tube) or in
dangerous environments not accessible
for people (eg nuclear plants).
CAVILUX Welding monitoring
technology is equally applicable for arc,
laser or hybrid welding processes and
can be utilised in production, research
and development or training. The main
benefits in production result from the
fact that defects can be detected and
corrected without delay, thus increasing
yield as well as improving quality and
reliability.
In addition, the operator can monitor
the process easily and safely. Benefits
in research and development include
faster process optimisation and better
understanding of the process. The
equipment is also valuable for training
purposes because the welder can
immediately see the quality of the weld
and adjust accordingly.
Several models of CAVILUX Welding
monitoring solutions (Standard, Mini and
HiRes) are available for different needs.
Depending on the configuration (laser
wavelength, laser power, laser pulse
duration, repetition rate and optics) the
laser class is typically 2M, 3R or 3B.
Therefore eye-safe solutions are often
possible. Also customised solutions and
high-speed systems are possible.
For more details, please visit
Cavitar – Finland
Email:
Website:
Sensors monitor
the root side of
welding seam
inside the tube