A semi-elliptic multi-leaf spring is used for the suspension of the rear axle of a truck. It consists of 2 extra full-length leaves and 10 graduated leaves including the master leaf. The center-to-center distance between the spring eyes is 1.2 m. The leaves are made of steel Syt=1500 N/mm2 and E=207000 N/mm2 and the factor of safety is 2.5. The spring is to be designed for a maximum fore of 30 kN. The leaves are pre-stressed so as to equalize stresses in all leaves. Determine (i) cross section of leaves; (ii) the deflection at the end of the spring.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A semi-elliptic multi-leaf spring is used for the suspension of the rear axle of a
truck. It consists of 2 extra full-length leaves and 10 graduated leaves including
the master leaf. The center-to-center distance between the spring eyes is 1.2 m.
The leaves are made of steel Syt=1500 N/mm2 and E=207000 N/mm2 and the
factor of safety is 2.5. The spring is to be designed for a maximum fore of 30 kN.
The leaves are pre-stressed so as to equalize stresses in all leaves. Determine (i)
cross section of leaves; (ii) the deflection at the end of the spring.

 

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