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PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

06/10/2021 - 07/10/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Six star stadium for German football club

Six star stadium for German football club When the England versus Portugal quarter final FIFA World Cup match kicked off on 1st July, no one knew for sure how it would end (although we had our suspicions). An issue far from anyone's mind, however, was the energy supply system's ability to perform beneath the pitch to relocate the turf after the match. The playing field at the Veltins Arena is more than just the usual green turf. Bedded on a basin 118 metres long and 79 metres wide, it is the German football league's only movable turf, with a total bi-directional range of about 340 metres. The idea is the turf is only present inside the stadium for the duration of a match. Relocating it afterwards optimises conditions for the sensitive grass. The idea behind the mobile playing field is relatively simple. The 11,000 tonne basin is slid like a drawer into and out of the Arena. To ensure this is a smooth process, 16 steel rails are embedded in the secondary floor. Each of these is 25 centimetres wide and 300 metres long and helps to convey the basin and its turf into the Arena. The field is driven by four hydraulic presses or gripper jacks. These presses push the field forward at a rate of one and a half metres per minute. After each interval, the motor demounts, moves a piston further along the steel rails in the secondary floor, mounts again and the cycle is repeated. Igus Energy Chain cable carriers supply the power to move the playing field. The entire process lasts 3.5 to 4 hours. Rol-E-Chains are a brand of Igus energy chain designed to guide and protect cables in long distance, high speed applications. These properties are required by finish-line cameras, conveyance equipment and also in slower applications on cranes and relocation equipment. In Gelsenkirchen, two parallel Rol-E-Chain systems are used to cover a distance of about 170 metres at a speed of 1.5m/min and an acceleration of 0.1m/s2.

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