WCA May 2011

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Wire bending, straightening& forming equipment
Wire & Cable ASIA – May/June 2011 52
Superior design for cold
forming of metals
DEM wire rolling technology is a comprehensive provider of technology for cold
forming of metals. This includes the design and supply of cold rolling lines for
processing steel wire rod into reinforcing wire for the construction industry.
DEM has now developed and supplied high-speed lines for ribbed bars which,
starting from wire rod in coils, can finish 4-16mm diameter ribbed wire in straight
bars in lengths ranging from 0.9–14m, running at speeds of up to 8m/sec and
collected in bundles.
The superior design stands in the unbeatable straightness results and cutting
precision that are achieved, despite the high speed.
Bar straightness is ensured thanks to the special double straightening station. The
smart design allows quick and simple set up of straightening rolls to match any
production campaign. The straightening is achieved keeping the surface of the
end product free of any mark and without altering its mechanical characteristics.
The precise cut-to-length at high speed is granted by the DEM patented bar
braking and unloading device. This system consists of a continuously rotating
shear, bar deviator, braking device and double channel discharging system, all
controlled by an in-house developed automation package.
DEM straightening and cutting-to-length sections can also be installed on
existing or newly delivered cold drawing/rolling lines for the production of coils,
as additional extensions to grant the production of straight bars.
DEM Costruzioni Speciali Srl – Italy
Fax: +39 0432 655 484
Email:
Website:
❍ ❍ DEM has now developed high speed lines for ribbed bars