A locomotive semi-elliptical laminated spring has an overall length of 1 m and sustains a load of 70 kN at its center. The spring has 3 full length leaves and 15 graduated leaves with a central band of 100 mm width. All the leaves are to be stressed to 400 MPa, when fully loaded. The ratio of the total spring depth to that of width is 2. E = 210 kN/mm2. Determine the thickness and width of the leaves

A locomotive semi-elliptical laminated spring has an overall length of 1 m and sustains a load of 70 kN at its center. The spring has 3 full length leaves and 15 graduated leaves with a central band of 100 mm width. All the leaves are to be stressed to 400 MPa, when fully loaded. The ratio of the total spring depth to that of width is 2. E = 210 kN/mm2. Determine the thickness and width of the leaves

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A locomotive semi-elliptical
laminated spring has an overall length
of 1 m and sustains a load of 70 kN at
its center. The spring has 3 full length
leaves and 15 graduated leaves with a
central band of 100 mm width. All the
leaves are to be stressed to 400
MPa, when fully loaded. The ratio of
the total spring depth to that of
width is 2. E = 210 kN/mm2.
Determine the thickness and width
of the leaves
t = 11.64 mm & W = 109 mm
t = 11.14 mm & W 103 mm
O
t = 11.94 mm & W = 118 mm O
t = 11.34 mm & W = 108 mm
t = 11.14 mm & W = 118 mm O

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