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1. Coil springs
This spring consists of a wire of generally circular cross-section wound into a cylindrical helix at a constant pitch and subjected to a force acting along the axis of the cylindrical helix or producing a force for the purpose of reproducing or modifying a movement or maintaining a system of forces in equilibrium.
The force may tend to lengthen or shorten the spring, depending on whether it's a tension or compression spring.
The helical spring can be likened to a helically wound torsion bar.
Let's consider any straight section Σ of wire, i.e. normal to the mean fiber, and G the center of gravity of this section (figure 1 ). The axis of the spring crosses the plane of the section at a point O and makes an angle...
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Coil springs
Bibliography
Standards and norms
- Heat treatment, alloy and free-cutting steels – part I: unalloyed steels for quenching and tempering. - NF EN ISO 683-1 - Juin 2018
- Heat treatment, alloy and free-cutting steels – Part 2: alloy steels for quenching and tempering. - NF EN ISO 683-2 - Juin 2018
- Heat treatment, alloy and free-cutting steels – Part 3: case-hardening steels. - NF EN ISO 683-3 - Février 2022
- Hot-rolled steels for quenched...
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