Leaf Spring Stiffness

Written by Jerry Ratzlaff on . Posted in Fastener

Leaf spring are spring made of thin strips of metal (could be a single strip) stacked in layers to asorbe the vibration.  They are normally used on suspension systems for wheeled vehicles or trailers.

 

leaf spring stiffner fullformulas that use Leaf Spring Stiffness for Semi-Elliptic Laminated

\(\large{ k = \frac { 8 \;E\; n \;w \;t^3  } { 3\; l^3 }  }\)   

Where:

\(\large{ k }\) = stiffness

\(\large{ n }\) = number of leaves

\(\large{ l }\) = span

\(\large{ t }\) = thickness of leaves

\(\large{ E }\) = Young's Modulus

\(\large{ w }\) = width of leaves

 

leaf spring stiffner halfformulas that use Leaf Spring Stiffness for Quarter-Elliptic Laminated

\(\large{ k = \frac { E \;n \;w \;t^3  } { 6\; l^3 }  }\)   

Where:

\(\large{ k }\) = stiffness

\(\large{ n }\) = number of leaves

\(\large{ l }\) = span

\(\large{ t }\) = thickness of leaves

\(\large{ E }\) = Young's Modulus

\(\large{ w }\) = width of leaves

 

Tags: Equations for Force Equations for Spring