When a coil spring with a spring rate of 150 lb/in. is compressed 1.5 in., the coils are closea. The aluwable stress is 60,000 psi, the spring index C = 6, the ends are squared, and G = 12 x 106 psi. Calculate: a. The required wire diameter d, b. The required coil diameter D, C. The required number of coils, d. And the closed length of the spring.

When a coil spring with a spring rate of 150 lb/in. is compressed 1.5 in., the coils are closea. The aluwable stress is 60,000 psi, the spring index C = 6, the ends are squared, and G = 12 x 106 psi. Calculate: a. The required wire diameter d, b. The required coil diameter D, C. The required number of coils, d. And the closed length of the spring.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.8.11P: A bumper for a mine car is constructed with a spring of stiffness k = 1120 lb/in. (see figure). If a...

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