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energy chain defy the harsh environment in aluminium oxide production and secure the energy supply
The mining and subsequent storage of bauxite, a sedimentary rock used in aluminium oxide production, generates a lot of dust, which poses a major challenge, especially for the moving machine parts of the conveyor units. This was one of the reasons why Aluminium Oxid Stade GmbH (AOS), one of the major German aluminium oxide producers, decided to use energy chains from igus®. They have already been reliably supplying conveyor units and stockpiling devices with energy, data and media for several years.
"Less maintenance, higher availability, the ability to run all the different cables and hoses in one system, the electronic tension/push force monitoring... all these advantages have fully convinced us of igus®. I would use igus® energy chain again and again!"
Dipl.-Ing. Fabian Wilhelm, Project Manager at AOS Stade
igus® supplied the engineering and the e-chain system® with all its components, including the customised console substructure. The complete installation on site in Stade was carried out by the igus® installation service. Its employees installed the several hundred metre long energy supply on the existing rail sleepers of the stockpiling device. The complete installation with steel construction was carried out as planned in two sections and in a total of just twelve working days. Acceptance, handover to AOS and joint test runs took place on the agreed date, and the energy chain has been running without any problems or irregularities ever since.
"We attach great importance to making reliable deadlines and meeting them - even and especially when several trades are working in parallel on construction sites like this one", emphasises Markus Böhm, Technical Sales Consultant at igus®. "Software developed in-house and customised to our products creates the conditions for us to be able to plan precisely and offer our system installations at fixed prices. The fact that we also agree individual guarantees for these services increases the security and availability of the entire system from the customer's perspective".
Another reason for AOS to award the energy chain system, complete with installation, to igus® was further in-house references: The igus® installation service had already previously installed an e-chain system® on a 140 m travel on the loop carriage of the AOS warehouse. An electronic push/pull force monitoring system is also used here.
Finally, AOS relied on two further energy chain systems from igus®, which travel in a common trough on a 218 m reverse journey. They supply the two cranes that deliver the bauxite and transport the extracted aluminium oxide away again. Medium-voltage motor cables from the chainflex® CFCRANE series and fibre optic cables from the chainflex® CFLG series are also routed here.
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