Cargotec's MacGregor anchor-handling towing winches with 300- to 600-tonne capabilities were developed to meet the demand for deeper and heavier operations; as well as hydraulic-drive units, electric-drive versions are also available, in response to customer requests
MacGregor can now offer anchor-handling towing winches (AHTW) with pulling powers of between 300 tonnes and 600 tonnes and will be able to supply them in both hydraulically and electrically-driven versions.
"The new winch range came about from a need to develop units that could handle heavier equipment at even deeper depths," said Chai Chon Kim, Executive Director, MacGregor Plimsoll. "Therefore we embarked on a project to match these increases in size with winch pulling capabilities."
Although traditionally supplied as hydraulically-operated, the new range of AHTWs will also be available as electrically-driven units. The target date for the launch of the new electrically-driven AHTW is planned for the end of 2009, with an expected delivery for 2010.
"The conceptual design of the electrically-driven AHTW started around November 2008, after the first 300-tonne hydraulic design was completed. After almost six months of development, we produced a design that incorporates the majority of mechanical components used in the hydraulic-drive winch," continued Mr Kim.
"The design concept allows MacGregor to build up the winch, including drums, shafts bearings and frames, for either type of drive, and simply add on the hydraulic or electric drive package. This concept allows for the standardisation of components, which translates to savings in both the overall design and manufacturing costs."
The electric-drive versions have available many of the same features as the hydraulic ranges, with four speed ranges, dynamic braking, hydraulic spooling devices, electro-hydraulic power packs and pilot systems for the operation of clutch and brake cylinders and spooling systems.
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