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Table of Content:
Definition: Spring elongation is the distance traveled by an extension spring from its length inside hook or from a pre-loaded length to its extended (elongated) length. Elongation is exactly what extension springs are made for. These helically wound tension springs with touching adjacent coils have hooks on the ends which allow the spring to latch onto mounts that are supposed to be pulled apart. The function of an extension spring is to bring those objects back to their original position once the load pulling them has been released.
Spring elongation, also known as travel or deflection, is a crucial aspect of spring design. It determines how far an extension spring can stretch (safely) and still perform its intended function effectively. The process of calculating spring elongation is fundamental in engineering, particularly for applications where precision is essential. Knowing the elongation of an extension spring allows engineers and designers to make informed decisions about its usage.
Our extension spring elongation calculator, known as Spring Creator 5.0, is a powerful tool that streamlines the process of determining spring elongation. This advanced system utilizes several extension spring calculation formulas to help you generate an accurate extension spring design.
The elongation of your spring is often referred to as "travel" or "deflection." To calculate the elongation of your extension spring, follow this formula:
Elongation (Travel) = Extended Length – Length Inside Hooks
This formula provides a straightforward way to measure how much the spring extends from its original, unloaded position. Knowing the elongation is vital for many applications, as it directly affects the performance of the spring.
To calculate the working loads of your extension spring, you need to determine its initial tension. Initial tension represents the energy already stored between the spring's coils, which keeps the coils together. Measuring initial tension involves finding the load required to extend the spring just enough to see light between the coils
Extension springs are known for their linear characteristics and a constant spring rate of force, which increases proportionally with added load. Initial tension is in addition to the working loads calculated using the spring rate, so it must be considered separately. The calculations for load and elongation in extension springs are as follows:
In summary, spring elongation is a critical factor in extension spring design, and precise calculations are essential for successful engineering projects. Spring Creator 5.0 is your go-to tool for simplifying this process. It allows you to quickly and accurately calculate elongation, initial tension, and working loads, providing valuable insights for your design. Whether you're an engineer, designer, or anyone working with extension springs, Spring Creator 5.0 is here to make your job easier. Try it now and take the guesswork out of spring design.
Created by Alfonso Jaramillo J
President Acxess Spring
Over 40 Years of Experience in Spring Engineering and Manufacturing
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