PROJECT OF THE MONTH
Left: The crane system is a free-standing system, and the runway is mounted on a ten-column support.
Opposite: The two GIS GP1000 electric chain hoists are mounted between the steel girders of the crane bridge in a space- saving arrangement.
Tela was able to freely choose the crane’s location and area of operation, thereby adapting it to the production environment.
Maximum safety for the transport of paper rolls
All travel and hoisting movements of the overhead crane are electrically controlled, with frequency- controlled drives ensuring precise and smooth handling of the load. Operation is via radio control, which allows the two electric chain hoists to be controlled individually or together. By default, tandem mode is activated when the crane system is switched on. This ensures that both hoists operate in synchronisation, guaranteeing the safe transport of the long paper rolls. The crane control system continuously monitors the operating status of both chain hoists using the integrated electronic position measurement. A fault or stop in one hoist, for example when reaching the end position, triggers an automatic response in the other. This prevents a dangerous situation arising due to the load being lifted or lowered on one side only. Additional safety features assist the crane operator.
For example, the crane’s higher travel speed can only be activated when both load hooks are in the uppermost position – in other words, when the paper roll has been fully raised. Limit switches for the horizontal crane and trolley movements also ensure that, as the crane approaches its end positions, it automatically switches from main speed to creep speed and then comes to a halt.
An efficient solution for smooth operation The GIS crane system that has been installed helps to ensure a smooth and efficient production process. Given that the rolls are changed regularly every one to two hours, it guarantees the reliable and safe handling of the rolls while production is under way.
Above: The two electric chain hoists work together to lift the load beam carrying the roll.
Left: The crane system is operated by radio control. Tandem operation is enabled by default at start-up, but the operator can also select and control hoists individually.
www.hoistmagazine.com | July/August 2026 | 9
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