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xxx 2011-05-02

OTC 2011: Ruling the waves: Continuous Jacking System from Bosch Rexroth

OTC 2011: Ruling the waves: Continuous Jacking System from Bosch Rexroth

With Bosch Rexroth’s latest development, the continuous jacking system for safer, more reliable and more effective installation and maintenance of wind farms, wind energy gains yet another impulse.

With Bosch Rexroth’s latest development, the continuous jacking system for safer, more reliable and more effective installation and maintenance of wind farms, wind energy gains yet another impulse.

Since the early Sixties, Bosch Rexroth has provided leading companies in the offshore and construction industry with advanced jacking systems. Purpose-built integrated drive and control systems with jacking forces of 23,000 tons and up are the result of profound application knowhow, in-house development and production.

Following the evolutionary development path of jacking systems from basic concepts to more complex semi-automatic multiple yoke systems, Bosch Rexroth meets the latest demands with a new standard in jacking: the high performance continuous jacking system. Both innovative and based on proven in practice technology.

The service life has to be 25 years or more, under tough environmental conditions. In cooperation with certifying bodies and knowledge institutions, Bosch Rexroth has developed new standards and innovative solutions that tackle the problem of fatigue risks, resulting from the high demands. The advanced control system is characterised by a tight control of accelerations, decelerations, parallel and opposite cylinder motions, smooth transfer of the high loads and an automatic four quadrant process, in which the system automatically switches from leg lowering to platform lifting operation and vice versa. A constant jacking speed of 1 m/min and higher is the result. Additionally, specifically integrated features lead to more reliability, safer operations and a considerable reduction of required power.

The jacking cylinders are equipped with CIMS (Ceramic Integrated Measuring System), which provides a most accurate signal required by the control system to evaluate the status of the system in relation to the precision, motion pattern and levelling of the vessel or platform. The cylinder rods are protected by a ceramic coating that is suitable for harsh environment conditions.

And a modern operator will benefit from a tight integration of the jacking system with the crane, mooring, handling and sea fastening systems. This integration adds to the redundancy and reliability of the vessel and to interesting cost savings. Secondary controlled drive systems for the vessel crane combine high performance with reduced power consumption, occupied space and weight.

The cylinders, power units, control systems as well as the software are designed and manufactured in-house. Systems are thoroughly examined by FMEA, simulations and shop tests. They are installed and commissioned on location by Bosch Rexroth experts, including the prefab piping. Last but not least, a robust lifecycle management programme, executed by the worldwide Bosch Rexroth service organisation, ensures that all systems will be kept in top condition throughout their service life anywhere in the world.

With her continuous jacking system, Bosch Rexroth has set a new standard for future installation and maintenance of wind turbines at sea.

Bosch Rexroth AG is one of the world’s leading specialists in the field of drive and control technologies. Under the brand name of Rexroth the company supplies more than 500,000 customers with tailored solutions for driving, controlling and moving. Bosch Rexroth is a partner for industrial applications and factory automation, mobile applications and renewable energy.

As The Drive & Control Company, Bosch Rexroth develops, produces and sells components and systems in more than 80 countries. In 2009 Bosch Rexroth, part of the Bosch Group, achieved sales of around $5.7 billion (4.1 billion Euro) with 34,200 employees.

For more information please visit: www.boschrexroth-us.com .

 

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Contact

Kevin Gingerich
South Lakes Drive 14001
28273  Charlotte, NC
Phone: (704) 714-8594
kevin.gingerich@boschrexroth-us.com