Profile and flat wire for the armoring of flexible hose lines

Offshore oil extraction is advancing into ever deeper regions of the sea. As the connection of the boreholes with the production platforms is not possible with rigid piping, flexible hose lines were developed.

These so-called flexible pipes have to withstand the water pressures at depths of 2000 m and more. Consequently, one or two layers of profiled steel wire are integrated into the hose as pressure reinforcement. Here, typically C or Z profiles (figure, right) are used.

In addition to this pressure reinforcement, flat wires are used for tension reinforcement to accomodate the weight forces.

Typical profile rolling mill for large profile wires

Complete line

Five stand standard line for the upper size range of profile and flat wires in medium to high carbon steel.

Speed: 150 m/min

  • Size range:
    • Width: 8,0 to 30,0 mm
    • Thickness: 6,0 to 12,0 mm
    • Precision: +/–0,02 to +/–0,05 mm

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Rotating vertical coil pay-off

For hot rolled or drawn steel wire

  • Driven unwinding plate for mounting of wire carriers
  • Speed controlled or with dancer regulation
  • Wire diameter 5 to 16 mm

Horizontal coil pay-off

For hot rolled or drawn steel wire

  • Driven carrier roller to support the wire coil
  • Hydraulically adjusted bending rolls for adjustment of the wire
  • Integrated roll adjustment mechanism with hydraulic setting
  • Optionaly available as double pay-off
  • Wire diameter 12 to 32 mm

WN14-Mo profile rolling mill

  • Driven upper and lower roll
  • Rolling force up to 650 kN in two axes

Continuous wire measurement

  • Contact measurement using rolls for width and thickness
  • Automatic wire dimension control by comparison between target and actual dimensions
  • Trending diagram in operator panel
  • Data export as csv file or via network interface

Sleeve spooler SMH1000-Mo/Pi

  • Dismountable spool, supported on both sides
  • Short downtime due to alternating use of two spools
  • Packaging of the coil outside the winding machine