TPT September 2012

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122 September 2012
23-27 October 2012
EBS Ink Jet Systeme GmbH
Germany Hall 14 Stand Q32
EBS Inkjet Systems GmbH has a neat
solution for customers who have to mark
products for identification or tracking
purposes, ie with batch numbers,
product details or other data.
The new Handjet EBS-250, for manual
printing on metals, plastics, cardboard
and many other materials, features large
data memory, Bluetooth transmission
and efficient ink management system.
The company will also be displaying
its economical solutions for automatic,
contact-free marking, for manufacturing
processes.
Website:
Fontijne Grotnes BV
The Netherlands Hall 27 Stand G23
WORLDWIDE technology leader
Fontijne Grotnes will be exhibiting its
latest metal forming solutions at the two
leading trade fairs in the metal forming
industry this autumn: EuroBLECH 2012
in Germany, this October 23-27 and
Fabtech in Las Vegas, United States,
from 12 to 14 November.
Fontijne Grotnes builds specialist
production equipment that can be used
in complex manufacturing processes
and has been active in the metalforming
industry for more than 100 years.
Its sizing technologies, consisting of
expanding, shrinking and rollforming
processes, are a valuable contribution
to diverse production processes, to
calibrate and form different parts such as
rings, cylinders and cones, which require
tight tolerances. These processes often
eliminate machining and fabricating
steps, save time and material and
thereby improve operational efficiency
and profitability.
Fontijne Grotnes expanders and
rollformers are widely used to form
finely detailed profiles in cylindrical or
conical shaped blanks from tubing, pipe
or coiled and welded sheet metal.
To form a profile the blank is
positioned around the collapsed dies of
the expander, which have the desired
profile. Cone and drawbar are in the
extended position. As the drawbar pulls
the cone down the inclined surfaces
of the cone force the jaws and dies
outward. Outward expansion stretches
the part past its yield point to the
desired shape. When the part reaches
its desired shape and size the drawbar/
cone assembly returns to the extended
position and the jaws and dies return to
their original position.
When the profile is rather ‘sharp’,
outer dies can be used for more
precision. Other possibilities are heated
dies to increase the deformability of
metals like titanium or a combination
of an expander and a shrinker to form
intricate profiles.
Rollformers can be used when not
only fine detail, but also a good surface
quality is required. The coiled and
welded cylindrical blank is positioned
over the rolling die of the lower spindle.
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The Handjet EBS-250
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