EuroWire March 2025

Technology News

Stranders, cablers and armouring lines FLYMCA is a Spanish manufacturer of rotating machines (stranders and cablers) for the production of electrical cables and steel ropes.

The company builds traditional stranders and cablers (tubular, rigid, planetary stranders; bow skip stranders/cablers; drum twisters; large double twist bunchers), and all types of equipment for complete lines such as take-ups, payoffs, caterpillars, capstans and taping heads. FLYMCA is focused on the design and construction of specialised and customised machinery for large-scale stranding, cabling, screening and armouring purposes, with an emphasis on machinery for special products such as submarine, offshore and umbilical cables. Armouring lines are created in two different configurations: • Large tubular stranders for multiple steel wires with bullhead prepared for the FO core paying off that avoids any torsion on the FO element or tube. The last tubular strander produced by FLYMCA featured 36 bobbins (Ø 630mm). • Large planetary armouring lines for heavy power transmission cables produced on large, heavy-duty machines with a high number of steel wires, based on single- or double-wire layer design (up to 214 wires). These systems are used with a single or a dual planetary cage working in tandem. The machines also incorporate automatic bobbin loading systems to minimise the downtime associated with bobbin changeovers.

Heavy-duty equipment from FLYMCA

FLYMCA’s latest installation and commissioning of an armouring planetary line for the submarine market was composed of two planetary stranding cages with 96-112 bobbins (Ø 800mm). It also included six additional 1,000mm bobbins for fibre optic elements. It operates with galvanised high-carbon steel wires with round section (Ø 3-7mm) or flat wire from 6 x 1.5 to 13 x 5mm. The line features several systems to apply high temperature bitumen with PP yarn applicators and tape, and includes four loading robots. The machine has a maximum pulling capacity of 40T and is customised to reach a production speed of 15m per minute. With rising need for submarine cables, there is demand for robust cross-sectional conductors manufactured in rigid stranding lines using up to 133 wires or more. These stranding machines are equipped with automatic bobbin loading systems, and are prepared for round and trapezoidal wire sections, with substantial compacting systems and devices for applying water-blocking yarns and powder. FLYMCA is also producing six tubular stranders at the same time, all designed for the ACSR market. These 1+8 tubular stranders can rotate at 1,000 rpm and are suitable for aerial cables. While focusing on these specialised machines, the company continues to produce equipment for aerial cable, railway, communication and other traditional markets such as steel ropes. FLYMCA will take part in Interwire in Atlanta, Georgia, USA, from 13 to 15 May, with its partner Niehoff Endex North America on Booth 839. FLYMCA SL www.flymca.com

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March 2025