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VULKAN Couplings unveils the VULKARDAN G 84

By CouplingTips | October 4, 2011

Coupling Tips

VULKAN Couplings (www.vulkan.com) is all geared to launch the VULKARDAN G 84 Couplings at the Koremarine in Busan on 26 to 29 October 2011. Specifically designed for electric motors and generator drives in the medium power range, VULKARDAN G 84 supplements the company’s VULKARDAN G product range, which has been released for marine drive components to cater for a higher torque range of up to 63 kNm.

Developed for generator applications and modern auxiliary drives, the flexible VULKARDAN G series feature couplings in sizes ranging from 54 to 62 with a 25 kNm nominal torque. These couplings were developed for free-standing systems and allow the elastomer to be extended without fear of displacing the connected units. With the offered torsional stiffness, the system’s torsional vibration is optimized, limiting damaging resonances in the operating speed and preventing impact on the motor control.

The VULKARDAN G 84 enables the membrane to absorb the axial vibration produced during the engine’s operation, freeing the connected generator from axial vibrations and providing a positive effect on the generator bearing’s service life.

Putting emphasis on backlash-free torque transmission, the VULKARDAN G 84 with up to 63 kNm nominal torque has been introduced in response to the growing demand for economic generator couplings. It is suitable for non-SAE motors that feature rated power ranging between 3,000 kW and 4,500 kW. This result to proper transmission characteristics considering the controller stability offered when the VULKARDAN G 84 is loaded or unloaded. Moreover, the VULKARDAN G 84 features a coupling design that highly protects the system from overload. Its linear torsional stiffness allows safe design of the coupling based on the defined stiffness.

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