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Austrians produce around 3.5 million tonnes of waste every year. Nowadays, waste is usually disposed of in thermal recycling plants, where the ovens reach temperatures of 1200 degrees Celsius in order to utilise the waste as completely as possible. A sensitive system in which plant failures would have enormous financial consequences. A scenario that Richard Krassnitzer, responsible for the maintenance of the cranes at the Simmering hazardous waste recycling plant, does not even want to conjure up in his mind. He therefore tries to play it as safe as possible to avoid breakdowns. Today, roller energy chains from igus® are therefore used in the plant.
"The igus®-energy chain has never let me down. Three years after commissioning, the umbilical cord of the waste bunker crane still looks as good as new. Apart from the thick layer of dust, of course."
Richard Krassnitzer, responsible for crane maintenance at Fernwärme Wien
"With the trailing cables, we were always struggling with failures. There were a lot of commands running over copper wires, and the interfaces were particularly vulnerable. We often had to tighten something somewhere and make sure that the individual terminals or wires were tight again. We always had 1000 metres of different cables in stock to mend any breaks. During the repair work itself, we had to take regular breaks to feed the oven in between," Krassnitzer recalls the time before he became acquainted with the igus® system. Initial scepticism quickly turned into enthusiasm for the Cologne energy chain system: "The igus® energy chains have never let me down. Three years after commissioning, the umbilical cord of the waste bunker crane still looks as good as new. Apart from the thick layer of dust, of course." And for the Simmeringer's reserve chain, it's still 'please wait' - no emergency that has occurred so far. If the forecasts of igus® product manager Theo Diehl are anything to go by, this will not happen for years to come. This is because wear and tear is not an issue with cable carrier systems from igus®. A fact that Bernhard Bogner from AVN also appreciates. Although he has a maintenance dome for the waste bunker cranes, there is only one possible time per year for the longitudinal chain inspection: "Our main inspection." Then there is a short break in waste delivery and incineration at MVA Dürnrohr.
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