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Stromag KMS Clutches for Roll-On/Roll-Off Vessel Propulsion System

A major Chinese manufacturer of marine propulsion systems needed a robust clutch solution for use on roll-on/roll-off (RORO) vessel gearboxes. The ship transports wheeled cargo/vehicles in a lower enclosed deck, while passengers travel on an upper deck.

The large ferry utilizes dual diesel-powered propeller shaft propulsion. Each of the two propulsion shaft drivetrains feature twin diesel engines connected to a common gearbox. Clutches are installed on both gearbox input shafts to allow engagement/disengagement of either engine, as needed.

The OEM investigated clutch designs from several manufacturers. Ultimately, KMS clutches from Stromag were selected based on reputation, responsiveness, quality and cost-effectiveness. Stromag supplied Model KMS 18000/25 clutches which were integrated and adapted into the gearboxes. Each 635 mm diameter clutch has a torque rating of 240,000 Nm.

Wet-running, multi-disc KMS clutches are specifically designed for marine gearbox applications. The oil-cooled, hydraulically-operated units are used where high torques must be transmitted reliably in tight engine room spaces. The clutches have an excellent torque-to-weight ratio and low mass moment of inertia. Units feature a high thermal capacity since switching heat is dissipated by internal oil cooling. All KMS models are low maintenance, as any disc wear is automatically compensated by piston travel.

Stromag KMS Clutches

Highlights

  • Wet-running, multi-disc clutches designed for marine gearbox applications
  • Excellent torque-to-weight ratio
  • Low mass moment of inertia
  • Oil-cooled; high thermal capacity
  • Low maintenance
  • Long disc service life

Contact Information

Stromag
Hansastraße 120
59425 Unna - Germany
Phone: +49 2303 102-0
Fax: +49 2303 102-201
Email: info@stromag.com
www.stromag.com