Page 7: of Offshore Engineer Magazine (Mar/Apr 2024)

6 8

Clutch into its popular Marine Reduction Gear system. the rest of the drivetrain, CENTA offers in-house Torsional “Falk MRH series Marine Reduction Gears have incor- Vibration Analysis (TVA) during the design process. porated Wichita Clutch clutches and brakes and CENTA Through TVA, engineers can help choose the best solu- elastomeric couplings as default system components with tion for the end user, CENTA’s Bob Lennon said. exemplary performance,” Falk’s Don Willis said. “By specifying a Stromag™ 2-in-1 engine fywheel

Regal Rexnord is a leading supplier of torsional stiff and clutch/coupling, CENTA torsional couplings, or CEN- fexible couplings, which are combined with steel or car- TA/Jaure intermediate drive shaft solutions, we can ensure bon fber shafting to meet the specifc needs of a vessel. marine drives are built to withstand torsional vibration,”

When creating a total drive package for the user, Jaure and Lennon said. “Understanding the properties of each com-

CENTA engineers work together with colleagues to inte- ponent, along with the operating conditions of the system, grate the most appropriate braking systems, bearings, and allows us to design a trouble-free operation ... be it a tradi- bulkhead seals into couplings packages. tional, alternative fuel, or hybrid system.” “Our engineers design customized solutions to re- duce complexity of intermediate shafting in between Dynamic braking for cranes? Winch the main engine and gearbox,” Jaure’s Ana Arrizabalaga challenges? We’ve got your above-deck said. “As a company, we take full responsibility for the needs covered complete driveshaft.” Regal Rexnord has a full program of both torsional stiff

Whether they are sold as single components or part of and fexible couplings that go inside the azimuth thrust- a larger drivetrain package, Regal Rexnord components ers that support the dynamic positioning of crane vessels, are highly customizable. Heavy duty brakes used in draw which are used in offshore heavy lifting.

works, for example, are custom designed down to the size, Sometimes, the best option is to think outside the box. padding, materials, and more. A worldwide offshore heavy lifting OEM recently worked “We do the entire system,” Svendborg Brakes applica- with Regal Rexnord on an end-to-end shafting solution for tions engineer Tyler Calvert said. “We design the controls a crane vessel. After learning more about the unique needs and the hydraulics in house. We do the design in-house. of the customer, engineers designed a 3-in-1 combination

Most other brands will outsource that ... If you go to a hy- of a CENTAX torsional fexible coupling, a Jaure MT gear draulic supplier down the road, they’re going to make some coupling, and a Jaure JCFS carbon fber shaft. design choices that don’t make sense for a brake system.” This solution had dynamic positioning ensured by eight

Whether it’s a high-torque propulsion drive or a low-speed underwater mountable thrusters, four of which were re- propellor shaft, selecting the right coupling is paramount to tractable. The OEM connected the retractable shaft to an a below-deck application’s success. In an effort to protect electric motor.

Images courtesy Regal Rexnord Corporation

MARCH/APRIL 2024 OFFSHORE ENGINEER 7