Preventing Torsion Spring Failure A torsion spring is a mechanical type of spring that works by applying torque or twisting force when it is twisted along its axis. The spring stores energy by twisting as the point of rotation turns, and when the rotational force is released, the spring unwinds and releases the stored energy. This process and operation of a torsion spring is very efficient, but if it is not designed correctly, it can cause the spring to break and fail.
So, what are the common reasons why a torsion spring breaks or fails? Torsion springs are designed to withstand a large number of twisting and unwinding cycles, but over time they can weaken and eventually fail due to a variety of factors.
Some common reasons why torsion springs fail include:
Fatigue: This is the most common reason for torsion spring failure. When a spring is repeatedly twisted and unwinded, it can weaken and eventually break. The number of cycles a spring can withstand before failing depends on its design parameters and materials.
Corrosion: A torsion spring that is exposed to moisture or corrosive chemicals can suffer from corrosion, which can weaken the material and cause failure.
Overload: If a torsion spring is subjected to excessive force or torque, it can deform or break. This can happen if the spring is not properly designed for the loads it is subject to.
Improper Installation: If a torsion spring is not installed correctly, it may become misaligned or subject to uneven loads, causing it to fail prematurely.
Wear: Over time, the surface of a torsion spring may wear away due to friction with other components. This can cause the torsion spring to fail, especially if it is not lubricated regularly.
To prevent torsion spring failure, it is important to properly design, install, and maintain the spring according to the specific requirements of the application. Regular inspection and lubrication will also help extend the life of the spring. Need help designing a torsion spring for your application? Contact an experienced Lee Spring engineer today for technical advice and assistance.
