7.2 TYPES OF SPRINGS
Springs may be broadly classified under two categories, viz., bending springs and torsion springs.
A spring which is subjected to only bending and the resilience is also due to the same is called the bending spring. The leaf, laminated or plate springs fall under this category. These springs are made out of plates and arranged in a particular pattern so as to attain the spring effect.
A spring which is subjected to a twisting moment or torsion and the resilience is only due to the same is called the torsion spring. Closely coiled helical springs fall under this group. These springs are made out of rod or wire and coiled in the form of a helix described on a right circular cylinder. The clock spring may be also grouped under ...
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