Rosendahl Nextrom GmbH
Machines for electric cables and optical fibers

SZ stranding line for fiber optic cables

SZ stranding line for fiber optic cables

For single and dual layer stranded product designs

Diameter loose tube : 1.0 - 4.0 mm
Diameter ribbon tube: 2.0 - 9.0 mm
Geared line speed: 200 m/min.
Loose tube stranding: 2-24 Elements
Ribbon tube stranding: 6-12 Elements

Rosendahl’s unique SZ stranding technology is designed to manufacture fiber optic cables for a wide range of indoor and outdoor applications with a flexible layout.

The stranding technology supports the stranding of jelly-filled as well as complete dry cable designs.
Stranding can be done either as a stand-alone process or tandemized with the jacketing process.
Advanced new technical solutions like torsion shaft lay-plate SZ stranding machines, dual cross binders with an adequate line control system enable a controlled stranding process.

Each single stranding disc is individually driven via a timing belt without intermediate gear.
The stranding process guarantees in all circumstances low stranding tension fluctuation, accurate and stable lay length and constant binding tension.

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last updated on
Thursday, March 19, 2026