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Last edited 26 Jan 2021
 What are clock springs?
Clock springs are also known as mainsprings or power springs and have a multitude of uses. They offer a circular movement and provide a useful alternative to torsion springs, particularly when a circular motion is required in a small space.
This spring is renowned for creating a large amount of torque and it can be dangerous when disassembling any machinery containing clock springs.
The spring is coiled around an axle, which is also known as the arbor, with the inner end hooked to it. In most applications, the outer end is attached to a stationary post. The spring is then wound by turning the arbor; when wound tightly this spring produces a large amount of torque.
 Properties of clock springs
Designed to provide torsion, clock springs can often be confused with torsion springs. The main difference between the two is that clock springs are prepared from flat wires, whereas torsion springs are made from round wires.
As the name suggests, this spring is most commonly used in clocks or watches. But they are also used in alarm clocks, music boxes and kitchen timers. With the wiring of most electrical components running through the steering column of a car, clock spring mechanisms ensure continuous connectivity for electrical systems, regardless of which way the steering wheel is turned.
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