Date : 2016-06-23 12:24:21

Nipping is common in automobile suspension springs

Assuming that pre-stressing results in stress- equalization,

Under the maximum force P, the deflection of graduated-length leaves will exceed the   deflection of extra full length leaves by an amount equal to the initial nip C.

The initial pre-load Pi required to close the gap C between the extra full-length leaves an graduated-length leaves is determined by considering the initial deflection of leaves.  Under the action of pre-load Pi

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