13
Springs
CHAPTER OBJECTIVES
A spring is the most important element in a system or a mechanism. A mechanism cannot work without the application of a spring which restores the mechanism to its original configuration. In this chapter, students will learn about:
Stiffness of a spring, most useful characteristic.
Stresses developed in a spring due to applied axial load and or an axial moment.
An open-coiled helical spring subjected to combined effect of bending moment and twisting moment.
Angular rotation or angular twist in a spring.
Importance of graduated leaves in a leaf spring or a carriage spring.
Storage of energy in a plane spiral spring for the functioning of a system as a time-watch.
Introduction
To start with, a close-coiled helical ...
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