TPT November 2012

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96 November 2012
HF welding
application
DYNAMIC-CERAMIC is a leading producer of advanced
ceramics in the UK and its unique Technide® S10 range
has consistently outperformed any other hard material in
its class, it claims.
Tube producers are familiar with the common problems
associated with the HF welding application. However, the
company’s high quality precision ceramic weld rolls can
remove many of these troublesome problems, resulting in
longer tool life, reduced downtime, higher quality product
from the mill and reduced costs.
Dynamic-Ceramic’s precision weld rolls eliminate
material pick up problems that are commonplace with high
frequency welded tubes.
This is particularly prevalent with non-ferrous materials
where surface condition is critical. Stainless, brass and
aluminium tube manufacturers can achieve substantially
improved surface finishes with no risk of rolling weld splatter
or particles into the tube surface.
Some producers have even changed to ceramic rolls
through the complete forming section of the mill. Dynamic-
Ceramic’s weld rolls typically achieve 10 to 12 times more
life than H13 or D2 tool steel rolls; in some instances this
has been as high as 20 times.
Practical tests have shown that ceramic weld rolls can
reduce HF weld power by as much as 30 per cent. This
actually also reduces unwanted ‘field’ heating of local
components such as shafts, stands and lubrication points.
Ceramic rolls also offer huge benefits for small diameter
tubing manufacturers where upgrading to ceramic weld rolls
can reduce weld vee length. This ensures more efficient
positioning of induction coil and impedor, which can reduce
the ‘heat affected zone’ and produce a more aesthetically
pleasing product.
Working in close partnership with you, and utilising its
advanced design capabilities, Dynamic Ceramics will be
happy to design and custom-make ceramic solutions that
meet all required performance and quality requirements.
Dynamic Ceramic – UK
Website:
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