BELOW THE BOOM Ӏ SECTOR REPORT


specialist Ematec which has been developing hoisting equipment for manufacturers and operators of wind turbines and windfarm facilities for a number of years now. It is another company that has had to expand its production facilities to keep up with demand. Its most recent load control


product, launched in September 2023, is the RBC-D50.1 yoke which is designed for assembling and disassembling all makes of rotor blades up to a weight of 50 tonnes and a length of between 45 and 110 metres. The new model is 700 kg lighter


while Mammoet designed and


produced the interface for the placement of the Tagline Master System. Enabl’s technicians and supervisors handled the commissioning and operator training, including theoretical and practical training. Mammoet was also provided


with a Tagline Master System for rental, allowing it to test the system on the ring crane before making an investment. Mammoet’s project manager


Rutger Beelen says: “The system enables us to safely control loads whilst having a minimum impact on the project site itself. Due to its small footprint, it can be installed on the crane itself. It is a user-friendly system, and the remote control gives the possibility of operating the system at height during removal and installation.” Load control device


manufacturers are also enjoying a boost from the continuing development of onshore windfarms. One such company is Memmingerberg, Germany-based machine and gripping technology


18 CRANES TODAY


Enabl’s Tagline Master System on Mammoet’s PTC 210-DS


than Ematec’s previous yoke and there is now only one central hydraulic tank for the units, which makes it more service-friendly. The radio remote control also has a new 5.5-inch colour display. The yoke offers automatic


stabilisation of the complete unit up to a tilt angle of ±30 degrees. This, Ematec says, means the rotor blades can always be held securely,


even if not 100% attached to the centre of gravity. A double version of the RBC-D is available, too, equipped with adaptive grippers at the bottom and at the top to hold the rotor blades firmly in the clamp grip even at inclinations of up to ±30 degrees so that they cannot slip. The device works via two


counterweights on the two truss wings which automatically adjust to the centre of gravity – with and without the rotor blade. This means that even when the blade is detached from the hub there are no uncontrolled movements that could damage the blade or disrupt the handling process. Due to the round arch on the crossbar the RBC-D always remains in the centre of gravity, explains Ematec. "With our yokes we are talking about a service life of 20 years or longer,” claims Julian Eberhard, design manager at Ematec. “Because the RBC-D yokes are not limited to certain blade


WOLFF HIGH-SPEED POSITIONING ASSISTANCE SYSTEM FOR SWAY-FREE OPERATION NOW AVAILABLE FOR ORDER


Cham, Zug-headquartered crane manufacturer Wolffkran has now made its High-Speed- Positioning-System (HiSPS), which was first seen at Bauma 2022, available for order, together with Wolffkran's latest addition: the WOLFF 6523 Clear tower crane. According to Wolffkran, the HiSPS enables loads on the crane hook to be moved virtually sway-free and positioned with millimetre precision. Wolffkran says that from the start of 2024


newly manufactured Wolff trolley jib models will be equipped with the option of HiSPS and existing Wolff cranes can also be retro-fitted. “HiSPS significantly reduces the risk of accidents and damage due to swinging loads or hooks,” says Viktor Mosolf. “Furthermore, the anti-collision system is optimised since not only the crane but also the load in the working range limitation is automatically stopped.” Wolffkran says it is also looking to make the high-speed positioning available for its luffing jib cranes, too.


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