Question 3 A helical compression spring is wound using 2.5 mm diameter music wire. The spring has an outside diameter of 31 mm with plain ground ends, and 14 total coils. 1) What should the free length be to ensure that when the spring is compressed solid the torsional stress does not exceed the yield strength, that is, that it is solid-safe? 2) What force is needed to compress this spring to closure? 3) Estimate the spring rate. 4) Is there a possibility that the spring might buckle in service?
Question 3 A helical compression spring is wound using 2.5 mm diameter music wire. The spring has an outside diameter of 31 mm with plain ground ends, and 14 total coils. 1) What should the free length be to ensure that when the spring is compressed solid the torsional stress does not exceed the yield strength, that is, that it is solid-safe? 2) What force is needed to compress this spring to closure? 3) Estimate the spring rate. 4) Is there a possibility that the spring might buckle in service?
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 2.5.31P
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