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Harnessed e-chain system ensures a fail-safe energy supply at the Memorial Bridge in New Hampshire

Profile

  • What was needed: Pre-assembled complete system for a reliable and safe energy supply
  • Requirements: Reduction of maintenance effort, reliable energy supply over a total distance of 40 m, fail-safe operation
  • Product: readychain® Pre-assembled energy chain
  • Area of application: Lifting bridge
  • Success for the customer: Thanks to the pre-assembled, ready-to-install readychain® systems and their installation, the customer saved assembly time and assembly work and received everything from igus® from a single source.

**About the Memorial Bridge:**The Memorial Bridge spans the Piscataqua River on the east coast of the USA between Portsmouth in New Hampshire and Kittery in Maine. It replaced the original bridge, which was built in 1923 in memory of the local sailors and soldiers who died in the First World War.

The challenge

In order for ships to pass under the Memorial Bridge, it must be lifted by means of a vertical lifting mechanism.
This requires an average speed of 1 m/s over a total distance of 40 metres.

Solution

In order to reduce the general maintenance effort and increase reliability, the bridge builders used pre-assembled readychain® systems from igus®.

readychain on Memorial Bridge

These were used instead of the hanging cables from the original design. The cables assembled with connectors were pre-assembled in the energy chain in the igus® factory on site and then delivered and installed directly on site as ready-to-install systems.
 
The igus® technicians used highly flexible chainflex® cables in the E4 energy chain and heavy-duty CFXL strain relief clampsfor easy access. Each installed cable type was intensively tested in the 2,750 m² test laboratory.

To the readychain® overview

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In this igus® magazine you will find numerous possibilities and application examples of how you can reduce tech up and / or costs with ready-to-install energy chain systems.

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