Press Release
SPANISH STRANDING MACHINE MANUFACTURER STANDARDISES ON CONTROL
TECHNIQUES
The Spanish market leader in stranding machines has
standardised across the board on drives from Control
Techniques. The company, Construcciones Mecánicas Caballé
S.A. of Barcelona designs and manufactures innovative rotating
machinery for the production of power, telecom, optical fibre,
data, control and steel cables and conductors.
In particular, the company favours the unique Unidrive SP
‘solutions platform’ drive, which they use to its full
capabilities, in torque and speed control modes, open and closed
loop, and for servo control, using Unimotor FM servo-motors from
Control Techniques Dynamics. Many applications require
localised control in addition to the overall PLC controller and
Caballé frequently use the drives option module slots to provide
the extra functionality required. The SM Applications Module,
a favourite with Caballé gives extra programming and fast dynamic
response, for digitally locking drives or monitoring position in
real time.
In one very demanding application for large cable winding in a
planetary strander, the drive is mounted within the rotating cage,
at the centre-of-gravity of the machine to minimise centrifugal
forces, with its commutator power supply pick up. “Few drives
would be able to work with such a ‘dirty’ power supply or be able
to withstand the mechanical stresses,” comments Director of
Operations, Carlos Dunjó, “let alone provide a highly dynamic
performance and absolute reliability in the field. The
Unidrive SP is remarkable!”
“We like the facility to be able to implement functions within the
drive,” he says. “For example, for dancer control, the
Unidrive SP works perfectly without the need for an encoder.
Others have to have the additional costs of an encoder to match
this performance.”>>>>>>>
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