Roemheld has introduced new rotor locks that are designed to deliver increased availability and simplified maintenance to wind power plants   A new, special coating prevents the locking bolt from rusting when not in use for a long period and non-contact position monitoring avoids mechanical wear and extends the life of the component.

A permanently corrosion-free coating of the bushings prevents rusting between surface intervals and the need for regular greasing.  As a result, the rotor lock is pernanently ready for use which also reduces the need for plant maintenance.  The surface protection of all rotor lock components corresponds to DIN ISO 12944, C4, so that they can also be used in offshore operations.

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Roemheld rotor locks (magnifying glass, bottom left) are used to lock the rotors of onshore and offshore wind power plants with up to 6.5 megawatts of power. The upper magnifying glass shows a linear actuator from Roemheld that can be used to adjust flaps and hatches.

Non-contact position monitoring has also been introduced to offer longer life and high availability. A non-contact switch checks if the bolt is in stand-by position or if the rotor is locked. As there are no mechanical contacts to wear out, replacement is not necessary.

Roemheld manufactures hydraulically or electro-mechanically operated rotor locks to customer specifications and supplies to companies all over the world. The rotor lock resists side loads up to a maximum of 7,000 kN and can be used to lock the rotors of onshore and offshore wind power plants with up to 6.5 megawatts of power. The locking module, with its compact design, is adapted to the limited space in the nacelle (the box-like component that is located at the top of the tower and contains the gear box, low- and high-speed shafts, generator, controller, and brake). The use of standardised components makes it possible to produce complex special designs quickly and cost-effectively.

To find out more about Roemheld’s full range of workholding and materials handling solutions, go to purchase Pregabalin or telephone 01462 459052.