All
galvanizers will tell you that a galvanizer's quality can be recognized in his
ability to control the zinc coating in quantity as well as in quality.
Most probably considered as "secondary" several years
ago, the wiping techniques currently represent a significant element of any
advanced technology in the field of galvanizing.
FIB has made a lot of developments in this high-tech field
that will still have to be improved in the next few years.
The pad wiping appeared in the 70's. In 1980 the wiping with
H2S was launched on the market after the end of the existence of a patent on
this technology. FIB was by the way the first manufacturer who appealed to this
technology in order to ensure the control of the coating of ACSR wires according
to the ASTM B 478 standard.
In 1998 FIB launched on the market its first generation of
wiping nozzles with nitrogen (patent pending) that, because of their success,
have been improved year after year up to the consideration of this technology
for low carbon wires of 13 mm diameter.
And lastly, in 2002, the first system of automatic monitoring
of the zinc coating rate has started to be commercialised. This technology that
is integrating some technical solutions tested in South Africa as well as in
Australia with the FIB nitrogen wiping system is allowing to continuously control
the zinc coating as well as to adjust the nitrogen flow in order to adapt the
zinc quantity to a predefined instruction.
Wiping
technology
All
galvanizers will tell you that a galvanizer's quality can be recognized in his
ability to control the zinc coating in quantity as well as in quality.
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