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Helical Spring |
Leaf Spring |
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It is made by winding a constant diameter wire in the form of
helix. |
It is made by clamping series of flat plates of varying length
one above another. |
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Spreads the load to a single point |
Spreads the load more widely over the vehicle's chassis |
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Resulting shape of helical spring is cylindrical |
Resulting shape of leaf spring is semi-elliptic. |
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It offers small amount of flexibility in transverse
direction. |
It does not offer flexibility in transverse direction. |
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Load bearing capacity of this type of spring is
comparatively lower. |
Load bearing capacity of this type of spring is much higher. |
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It is light weight and cheaper. |
It is heavy and costly. |
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It tends to absorb shocks and vibrations and thus
provide a comfortable ride. |
Leaf spring tends to lift of the vehicle body when it
experiences bumps hence uncomfortable ride. |
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Common application areas Spring balance, shock absorbers in motor bikes, pens etc |
Common application areas Vans and Trucks, SUVs etc |
For more Difference between different technical terms Click Here
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