PROJECT OF THE MONTH | NEWS
All eight winches, which have synchronisation monitoring, meet the requirements for a safe machine as outlined in the German Ordinance on Industrial Health and Safety. The WSA Ems-Nordsee is responsible
for ensuring smooth and safe navigation by operating, monitoring, and maintaining federal waterways and associated facilities. These facilities are maintained or renewed as required. A slipway, such as the one in the
Meppen building yard, is an inclined ramp on which a vessel is pulled out of the water by means of rail-guided trolleys and lowered back into the water, for example for inspection and maintenance purposes. The wire rope winches required for this are operated from a central control station. Until now, the slipway at the Meppen building yard was designed for ships up to 30 metres in length. However, longer vessels are now being used by WSA Ems-Nordsee and the neighbouring office WSA Westdeutsche Kanäle. To accommodate this change, the
existing system was upgraded with three additional BETA electric winches of identical design. The system was then re-commissioned as a complete system with a Declaration of Conformity from Columbus McKinnon Engineered Products, ensuring compliance with all relevant regulations. The synchronisation control system developed by Columbus McKinnon
ensures the synchronised operation of the eight winches in a row. This system allows for the differentiated selection of individual winches depending on the ship model and length. The control system, which includes a frequency converter, group pre-selection, and synchronisation monitoring, was updated for the eight winches. Additionally, some components were replaced to ensure it is up-to-date. The control system manages all pre-selected winches in complete synchronisation throughout the entire travel path, regardless of
the load. An alarm is triggered when a winch approaches its maximum pull of 12 tons to prevent overloading. The entire system will automatically shut down if this limit is exceeded. All slipway winches have an IP55
rating and are suitable for outdoor use. They have geared limit switches with two contacts, an absolute encoder and motor monitoring with PTC thermistors. The grooved rope drum can accommodate rope lengths of up to 47 metres. A rope pressure roller ensures perfect spooling.
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