WCA January 2015

40 / 68

38 Wire & Cable ASIA – January/February 2015
Technologynews
A new ‘bullhead’ tubular strander for armouring optical and
special cables is presented as an alternative to the classical
planetary or tubular stranders.
Caballé has upgraded and improved the existing technology
of bullhead stranders with some major improvements:
• Number of steel wires up to 36
• Pay-off bobbins: DIN 500-630
• Central tube reel size: DIN 1600-2500
• Tension control core by motor/dancer system
• Dual compensation mechanical system that keeps wire
tension fully constant
• Optimal management/information of alarms in the main
screen with alarm description and position (nº of payoff)
• Maximum stranding speed: 500rpm
With this system the central core with the fibre optics inside
is paid off completely straight with no twist occurring in the
product, so the resulting quality is the same as with a
planetary strander but with much higher stranding speeds.
In the production mode the productivity of this machine is
up to five times higher than a planetary strander.
The possibility to work with up to 36 wires in a single pass
makes this machine a very versatile line, as well as a high
productivity line, being able to armour optical and special
cables with high tensile strength steel wires.
The ‘bullhead feeder’ has been designed to allow a wide
range of working tensions, which makes it suitable for a
single steel tube with fibres inside as well as for an
armoured cable with a first layer of steel wires.
C M Caballé SA – Spain
Website:
THE new Eurolls straightening and
cutting machine RT600 for electrodes,
capable of producing electrode sticks
at 10m/sec, has attracted major
attention since its launch.
This interest has continued to gain
momentum to the point where a
number of internationally known
companies have installed the machine.
The flexibility of this machine permits it
to be connected directly to the wire
production line.
Productivity can be further increased
by substituting the traditional dies with
Eurolls’ CL25C33 cold rolling micro
cassettes.
The line permits entry with low carbon
or stainless steel entry rod (5.5mm
diameter), to roll/draw it to the final exit
wire product (from 2 to 5mm), to clean
the wire, straighten and cut it to the
final electrode stick length (normally
two main product lengths – 350mm
and 450mm).
The main advantage of this is that in a
single process it goes directly from
entry material to final electrode stick at
high production speeds while
maintaining the surface finish,
accuracy in stick diameter and length
requested for this type of product.
To show this, Eurolls has successfully
commissioned in the Lincoln do Brasil
plant and in the presence of Eurolls
president Renato Railz, a combined
line complete with multi-pass rolling
machine, cleaning unit, straightening
and cutting unit for production of low
carbon and stainless steel electrode
sticks.
In the same period, the Turkish
company Kainak Teknigi Sanayi ve
Ticaret AS (partner in Turkey of Lincoln
Group) has visited the Eurolls premises
for the contractual pre-shipment
inspection and approval of the
cleaning plus straightening and cutting
unit for production of low carbon
electrode sticks.
The inspection was said to be a
complete success and the customer
left satisfied with the equipment.
Requests for similar equipment have
arrived from producers of welding wire
materials, and even from different
individual branch offices belonging to
the same parent company.
Similar equipment has already been
installed with success in Turkey,
Bangladesh, Peru, Bulgaria, Iran, Spain
and Germany.
Eurolls SpA – Italy
Website:
Five times more productive
RT600 is proving a big hit worldwide
❍ Interest in the new RT600 has continued to gain momentum