How to Measure Torsion Springs

Learn how to measure torsion springs with our simple and straightforward guide. This step is very important in ordering the correct torsion springs for your application, so please reach out to our professional team if you have any trouble or can't quite figure it out yourself. #spring #mechanicalsprings #springmeasurement #torsionsprings #wbjones
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** FULL VIDEO TRANSCRIPT BELOW **
Thank you for choosing W.B. Jones as your spring resource. In this video, we will be covering how to measure torsion Springs tools we recommend you have before you start are a micrometer, which should be used whenever possible. Calipers and a ruler or tape measure for large springs. In this video, we will be using this torsion spring to show the steps clearly.
First, we will want to measure the wire diameter common practices, to measure the wire in two different spots and take the average for this spring. The wire diameter is 0.059 inches. Next will measure outside diameter, commonly referred to as odd for this spring. It is 0.682 inches. When possible, it is best to measure the outside diameter in the middle of the spring.
The end coils tend to run larger than the inside diameter, or it is hard to measure accurately. So use the outside diameter whenever possible. For this spring the ID is 0.565 inches. Next will need to measure the leg length, which is measured from the center to the end like this. The leg length for this spring is two inches.
Well, then we need to determine the angle or relationship of legs. There are four major angles we'll cover. They are all based from the center of the spring. This spring, for example, is 180 degrees. Here are diagrams to help demonstrate 90 degrees, 180 degrees, 270 degrees and 360 degrees. The last step is to determine the direction of wind. This part is important because it affects how the spring will rotate in use.
There are two types: right hand wind and left hand wind. Notice the way the springs are coiled. This is a right hand spring. Notice the counterclockwise path my finger is following. This other spring is the left hand spring. Notice the clockwise rotation my finger is following. Please review our glossary online for another example. Now you will have all the information required to measure your torsion spring accurately.
Thank you for watching our video. And if you find yourself holding a spring like this or something not easily measurable or describable, we have members on staff who are always here to help.