Marine Mechanical Clutches

Description

Marine mechanical clutches are devices used to connect and disconnect power transmission between a power source, such as an engine, and a driven component, like a propeller shaft. They facilitate the transfer of rotational power, allowing for controlled engagement and disengagement of the power flow within marine systems.

Working Principle

Marine mechanical clutches operate primarily through friction. When engaged, friction between the drive and driven components allows for the synchronization of a moving component with another that is moving at a different speed, creating a solid connection for power transmission. This frictional engagement is crucial for efficient power transfer, minimizing slippage between the input and output shafts. The clutch remains engaged until a force in the opposite direction is applied to disengage it, which stops the power transfer but allows the engine to continue running independently.

Applications

Marine mechanical clutches are used in various marine applications, such as in the propulsion systems of ships and boats. They are essential for engaging and disengaging the engine from the propeller shaft, allowing for smooth transitions between different operational modes, such as forward, neutral, and reverse. Specific examples include their use in fishing vessels, cargo ships, and recreational boats, where precise control over power transmission is necessary for maneuvering and docking.

Advantages over other Mechanical Clutches

One advantage of marine mechanical clutches over other types is their simplicity and cost-effectiveness. They are often the least expensive option for clutch actuation and can be manually operated, which reduces the need for complex electronic or hydraulic systems. This simplicity also translates to easier maintenance and repair, which is beneficial in marine environments where reliability is crucial.

Limitations

Marine mechanical clutches have limitations, such as the potential for increased actuation resistance due to friction losses in the linkages, especially when the lever or pedal is located far from the clutch. This can make manual operation more challenging and may require additional mechanical linkages to achieve the desired actuation force.

Considerations

When selecting marine mechanical clutches, several considerations should be taken into account. Initial costs are generally lower compared to more complex clutch systems, but operating expenses can vary depending on the frequency of use and maintenance requirements. Durability is a key factor, as marine environments can be harsh, and clutches must withstand exposure to saltwater and varying temperatures. Accuracy in engagement and disengagement is important for precise control, and replacement and maintenance costs should be considered, as regular inspections and servicing may be necessary to ensure optimal performance and longevity.

9 Results
Hilliard Industrial Centrifugal Clutch
from Hilliard Corporation (The)

The Hilliard centrifugal clutch provides automatic, gradual, cushioned engagement over a speed range on high-inertia loads. It smooths out and reduces starting current surge. Centrifugal clutches are slip-free at rated load and speed. They protect against overload by limiting torque, absorbing shock... [See More]

  • Application: Industrial; Marine; Other; Mining, Speed Limiters, Steel Industry
  • Engagement: Friction
  • Special: Slip clutch / Disengagement Torque Limiter
  • Shaft: In-line
Backlash-free Overload System Torque Limiter -- KTR-SI Compact
from KTR Corporation

The solid safety system KTR-SI is available in different types (standard and compact) and operating principles (ratchet, synchronous, fail-safe, disengaging), providing for overload protection up to 3,100 Nm. Product features. Backlash-free overload systems with declining spring characteristic. [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Rotary Speed: 4000
  • Torque: 2.2 to 2286.1
  • Special: Slip clutch / Disengagement Torque Limiter
Backlash-free Overload System Torque Limiter -- SYNTEX® Standard
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Rotary Speed: 1500
  • Torque: 4.4 to 295.0
  • Special: Slip clutch / Disengagement Torque Limiter
Backlash-free Overload System Torque Limiter -- SYNTEX® with Integrated Sprocket
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Rotary Speed: 1500
  • Torque: 4.4 to 295.0
  • Special: Slip clutch / Disengagement Torque Limiter
Backlash-free Overload System Torque Limiter -- SYNTEX® with Pulley
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Rotary Speed: 1500
  • Torque: 4.4 to 295.0
  • Special: Slip clutch / Disengagement Torque Limiter
Backlash-free Overload System Torque Limiter -- SYNTEX® with Shaft Coupling ROTEX® GS
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Rotary Speed: 1500
  • Torque: 4.4 to 295.0
  • Special: Slip clutch / Disengagement Torque Limiter
Torque Limiter -- KTR-SI FRE Flange Type
from KTR Corporation

The core of the overload system is formed by the idle rotation elements. In case of overload they uncouple the driving and driven side while protecting the drive train from damages. After eliminating the overload, the rotation segments are manually re-engaged so that the drive is released again. [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Special: Slip clutch / Disengagement Torque Limiter
  • Torque: 3.7 to 6047.2
  • Engagement: Plate / Disc
Torque Limiter -- KTR-SI FRE with ROTEX®
from KTR Corporation

The core of the overload system is formed by the idle rotation elements. In case of overload they uncouple the driving and driven side while protecting the drive train from damages. After eliminating the overload, the rotation segments are manually re-engaged so that the drive is released again. [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Special: Slip clutch / Disengagement Torque Limiter
  • Torque: 3.7 to 6047.2
  • Engagement: Plate / Disc
Torque Limiter -- KTR-SI Type FT
from KTR Corporation

For exact dimensioning torque limiters latest simulation and calculation programmes are available. Therefore let us know many data of your drive. The more precise these data are, the more precise are the results of calculation. Make use of this possibility and discuss with us the application in... [See More]

  • Application: Industrial; Automotive; Aerospace; Marine; Heavy; Power Takeoff; Conveyor; Machine Tool; Web; Motor; Pump; Power Transmission; Trailer; Off-Highway; Robotics; Military
  • Special: Slip clutch / Disengagement Torque Limiter
  • Torque: 1.5 to 6047.2
  • Engagement: Plate / Disc