Mechanical Clutches

Mechanical Clutches

Mechanical clutches are the simplest mode of clutch actuation, actuated manually or by foot. They are available with torque ranges from 10-24000 Lb.ft. They come with single and double designs appropriate to various applications. We offer Mechanical Clutch Disc Pack Modules, Mechanical Clutch Torque Limiters, Multiple Disc, Overload Release, and Custom designed Mechanical Clutches. 

HVH Industrial works with manufacturers' specialized engineering teams to meet our customers' requirements and highest quality standards. 

If you have any questions, write us via live chat (one of our team members will answer your questions), give us a call, or send us a quote request. The HVH team is always ready to help you.

 

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What are Mechanical Clutches

Mechanical clutches are devices that allow for the transmission of power between two rotating shafts and consist of two essential components, a driving member and a driven member. The driving member is usually attached to the engine or motor, while the driven member is connected to the transmission or driven machinery.

How do mechanical clutches work?

Mechanical clutches work by temporarily engaging and disengaging the two rotating shafts. When the clutch is engaged, the power source and the load are connected, allowing power to be transmitted from the source to the load. When the clutch is disengaged, the power source and the load are disconnected, and the load stops rotating. The operator controls the engagement and disengagement of the clutch by pressing a pedal, lever, or button.

Types of Mechanical Clutches

At HVH Industrial Solutions, we offer several types of mechanical clutches available, each with its specific application and design. The most common types include:

Mechanical Clutch Disc Pack Modules

Disc pack modules are the most common type of mechanical clutch, used in various industrial and automotive applications. They consist of a series of friction discs and steel plates alternately stacked together. The friction discs have a lining material that provides the necessary friction for power transmission. The steel plates, on the other hand, provide rigidity and support to the friction discs.

Mechanical Clutch Torque Limiters

Mechanical clutch torque limiters are used to limit the torque transmitted by the clutch. They consist of a set of frictional elements - such as springs, rollers, or balls - that are placed between the input and output members of the clutch. When the torque exceeds a certain limit, the frictional elements slip, limiting the torque transmitted by the clutch. Mechanical clutch torque limiters are commonly used in systems to prevent overload and protect the system from damage.

Multiple Disc Clutches

Multiple disc clutches consist of multiple clutch disc packs that are stacked together. They are used to transmit high levels of torque and are commonly used in heavy machinery, such as cranes and bulldozers. Multiple disc clutches can be actuated manually or automatically and are designed to withstand high levels of heat and pressure.

Overload Release Clutches

Overload release clutches are similar to torque limiters, providing overload protection by disconnecting the driving and driven members when a pre-set limit is exceeded. However, unlike torque limiters, overload release clutches can be reset manually or automatically, allowing for continuous operation. Overload release clutches are commonly used in systems that operate under varying loads and speeds.

Custom Designed Mechanical Clutches

Custom-designed mechanical clutches are developed to meet specific application requirements. They are designed to provide precise control over power transfer and engagement/disengagement characteristics. Custom-designed mechanical clutches are commonly used in specialized machinery systems, such as drilling rigs, mining equipment, and agricultural machinery.

Clutch Engagement Methods

The effectiveness of a mechanical clutch depends on the type of clutch engagement method used. Different clutch designs offer different benefits and drawbacks. It is essential to understand the pros and cons of each clutch design before selecting the most appropriate one for your application.

Noncontact

Noncontact clutches use non-contact technologies like magnetic fields or eddy currents to achieve braking action. They offer several advantages, including a lack of wear and tear, zero backlash, and low maintenance requirements. However, noncontact clutches have lower torque capabilities and are unsuitable for high-speed applications.

Friction

Friction clutches are the most common type of mechanical clutch. They use friction between contact surfaces to transmit power. Friction clutches are reliable and cost-effective but have a limited lifespan and require regular maintenance to ensure optimal performance.

Toothed

Toothed clutches transmit power without slipping or heat generation by engaging teeth that are stopped or running at a slow speed (< 20 rpm). They offer excellent torque capabilities and low wear and tear. However, they are more expensive than friction clutches and require precise alignment.

Wrap Spring

Wrap spring clutches use a coiled spring that wraps downward onto the rotating element. The device disengages when the spring uncoils via a control tang at its end. Wrap spring clutches are simple and reliable but have limited torque capabilities.

Oil Shear

Oil shear clutches engage braking action via the viscous action of the shearing of transmission fluid. They offer excellent heat dissipation and a long lifespan. However, they are more expensive than friction clutches and require regular maintenance.

Plate/Disc

Plate/disc clutches use compression springs that force plates together to control the torque level. They offer excellent torque capabilities and are reliable. However, they are prone to slippage and require frequent maintenance.

Ball Detent

Ball detent is a slip mechanism in which balls ride up out of seats to overcome springs or air pressure engagement upon overload. They offer excellent torque capabilities and are easy to install. However, they are prone to wear and require regular maintenance.

Roller Detent

Roller detent clutches use rollers that wedge between the inner and outer races to engage the clutch. They offer high torque capabilities and are reliable. However, they are prone to wear and require regular maintenance.

Advantages of Mechanical Clutches

Mechanical clutches offer several advantages over other types of clutches, such as hydraulic or electromagnetic clutches. Some of the advantages of mechanical clutches include:

Simplicity

Mechanical clutches are simple in design and can be easily repaired and maintained. They do not require any external power source or control system, making them reliable and cost-effective.

Durability

Mechanical clutches are designed to withstand high levels of heat, pressure, and wear and tear. They are commonly used in heavy machinery and can last for a long time with proper maintenance.

Efficiency

Mechanical clutches have a high level of efficiency, which means that they transmit power from the engine to the transmission with minimal loss. This makes them ideal for applications that require high levels of torque and power transmission.

Customization

Mechanical clutches can be customized to meet specific requirements of machinery systems. They can be designed to transmit torque at a specific level and can be actuated using various methods, such as manual, foot-operated, or hydraulic.

 

Mechanical clutches are essential components of various industrial and automotive systems, providing a simple and reliable way to transfer power between rotating shafts. By understanding the different types of mechanical clutches available and their applications, you can select the right clutch for your machinery or equipment.