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    Friction Clutches

    Friction Clutches are rotary hardware devices used in a wide range of applications with small drives, such as light power drives, pumps and small generators. They help to protect people and equipment and are most commonly used where a shaft or machine must be started and stopped frequently, also used often in conjunction with brakes.

    How do Friction Clutches work?

    The construction of friction clutches is simple. Pressure is loaded onto the plates and friction rings by an adjuster which acts through a spring and pressure plate. The load can be connected to either the steel inner hub or the aluminium alloy housing.

    What are the main characteristics of clutches with adjustable friction?

    The three main characteristics to bear in mind are breakaway torque, torque decay and speed related torque fluctuations. Breakaway torque occurs when an already installed screw is rotated or loosened further. With torque decay, the slipping torque reduces as the power causes the clutch temperature to rise. Clutches behave more consistently at high speed and low torque.

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