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Energy chains and cables for HUNGEXPO's innovative multi-purpose hall

Plastic e-chains and chainflex special cables for complex installation under the hall floor

From the very beginning: for a new HUNGEXPO multi-purpose hall in Budapest, our team was able to be there from the planning stage to the final installation. In the huge auditorium, the rows of seats are located on 43 platforms which can move flexibly and can also transform the room into a ballroom if required. The people responsible brought our project team on board for the complex cable guidance and numerous cables. And we rely on our plastic energy chains and chainflex control, data and bus cables.

Profile

  • What was needed: plastic energy chains from the E4.42 series and chainflex special cables, delivered as a fully harnessed complete readychain system
  • Requirements: The floor elements required particularly reliable cable routing, failures should be avoided at all costs, and maintenance intervals should be kept as long as possible. The project also required quick and easy installation.
  • Industry: Theatre and stage construction
  • Success for the customer: The energy chains respond smoothly to the movements of the floor panels and allow a long service life. The chainflex cables are resistant to torsion and wear. Delivered as a pre-assembled readychain energy chain system, quick installation on site was achieved.
The rows of seats in the HUNGEXPO multifunctional hall are located on 43 mobile platforms.

Problem

HUNGEXPO in Budapest is the largest congress and exhibition centre in Hungary. From 2019 to 2021, the concept of the huge exhibition space was revised so that it now shines in a whole new splendour. The programme also includes a new and modern state-of-the-art auditorium. But the real sophistication behind the 1,800m2 multi-purpose hall with a capacity of 2,048 people is only revealed at second glance. The rows of seats, which are located on 43 movable platforms, can disappear under the floor with little effort. A theatre can thus be converted into a ballroom in just 8 minutes.  All it takes is one person to operate the sophisticated system and — depending on the specific occasion and space requirements — have eight different configurations carried out.
The machinery that makes all this possible is of course out of sight under the hall floor. And it goes without saying that supplying the extremely mobile rows of seats with energy and signals is anything but easy. This allows the rear rows of the auditorium to move up to 5m in height. In addition, numerous cables are also required for lighting and the sound system of several rows.
The ambitious project therefore also required cable routing that guides the large number of cables under the hall floor in a space-saving, safe and durable manner. Overall, maintenance intervals should be extended and the installation time of the system should be kept as short as possible.

Solution

Due to the good joint experience of Hungexpo and igus in previous projects, cooperation was also obvious here. Plans were drawn up at an early stage of the project — taking into account the environment and the machines — for the most space-saving and safe cable routing possible. After several test installations in the particularly demanding areas, the products for implementing the cable guidance were finally established and the project was ready to start.
Since then, dozens of energy chains from the E4.42 series and the E2/000 have formed the heart of the cable guidance hidden from visitors to the Expo. The particularly flexible connection between the supply points on the floor and the adjustable rows of seats supports fluid movements and continuous operation of the mechanism. Control, motor and bus cables of the chainflex range are used in the energy chains. The cables are specially designed for energy chains and are particularly protected against movement-induced wear and torsion. Since they were delivered pre-assembled in the chain - as a so-called complete readychain system - the installation was user-friendly and quick to implement. The result is cable guidance that reliably follows all movements, allows long maintenance-free phases and thus saves costs for the operator.

"The products (energy chains and chainflex cables) offered us a reliable solution for connecting the fixed supply points on the ground to the moving platforms. The special cables allow flexible movements without damage and extend maintenance intervals."

Attila Lukacs, GEPBER-Szinpad Kft.
Energy chains
Energy chains
Energy chains

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The terms "igus", "Apiro", "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-skin", "e-spool", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", "ReBeL", "speedigus", "triflex", "robolink", "xirodur", and "xiros" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention in this website. The products offered by igus® are those of igus® GmbH