1/A coil spring with plain ends that are ground is to operate with a load that fluctuates between 200 and 400 N, during which the deflection is to vary by 13 mm. Steel spring wire is to be used with a mean coil diameter D of 51 mm as shown in figure (1). Determine appropriate value for safety factor for this case, and find the other dimensions of the spring. If the spring material is steel with the ultimate strength of 2010 MPa and the rigidity of 80 GPa.

1/A coil spring with plain ends that are ground is to operate with a load that fluctuates between 200 and 400 N, during which the deflection is to vary by 13 mm. Steel spring wire is to be used with a mean coil diameter D of 51 mm as shown in figure (1). Determine appropriate value for safety factor for this case, and find the other dimensions of the spring. If the spring material is steel with the ultimate strength of 2010 MPa and the rigidity of 80 GPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.10.10P: A cable and pulley system at D is used to bring a 230-lcg pole (ACB) to a vertical position, as...

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