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Spring Load and Spring Rate

Spring Load Definition:

Your spring’s working loads determine a specific amount of force at a desired loaded height.

Spring Rate Definition:

The constant amount of force you need to travel ONE inch or millimeter of distance.


As it was explained in the definitions above, spring load determines a specific amount force or pressure at a specific loaded height while spring rate determines the rate of force you will need in order to travel one unit of measurement (in. or mm.). You can use either one to calculate the other; rate to calculate working loads and working loads to calculate rate. The formulas and diagrams are explained in simple examples below.

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