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Leaf Spring Rate Calculator

Formula

The formula to calculate the Leaf Spring Rate is:

$LSR = \frac{2F}{D}$

Where:

$LSR$ is the Leaf Spring Rate (N/m)
$F$ is the force (N)
$D$ is the vertical displacement (m)

What is Leaf Spring Rate?

The Leaf Spring Rate is the rate at which a leaf spring deflects under a given load. It is a measure of the stiffness of the spring and is calculated by dividing twice the applied force by the vertical displacement. The resulting value is expressed in Newtons per meter (N/m).

Example Calculation 1

Let's assume the following values:

Force (F) = 1000 N
Vertical Displacement (D) = 0.05 m

Using the formula:

$LSR = \frac{2 \times 1000}{0.05} = \frac{2000}{0.05} = 40000 \, \text{N/m}$

The Leaf Spring Rate is 40000 N/m.

Example Calculation 2

Let's assume the following values:

Force (F) = 1500 N
Vertical Displacement (D) = 0.10 m

Using the formula:

$LSR = \frac{2 \times 1500}{0.10} = \frac{3000}{0.10} = 30000 \, \text{N/m}$

The Leaf Spring Rate is 30000 N/m.