Design and Fabrication of a Spring Constant Testing Machine and Determination of Spring Constant of a Compression Spring
Journal: International Journal of Engineering Research (IJER) (Vol.4, No. 10)Publication Date: 2015-10-01
Authors : Muhammad Abu Rahat; Muhammad Ferdous Raiyan; Safayet Hossain; J.U. Ahamed; Nahed Hassan Jony;
Page : 574-578
Keywords : Spring testing kit; hook’s law; stiffness; shear stress; Wahl factor.;
Abstract
The main objective of this project is to determine the stiffness which is commonly known as spring constant of a compression spring under various load. The kit which has been built into a machine to stretch or compress test springs, while measuring load and displacement is called spring testing kit. It tests springs and finds their properties ? good for mechanical workshops use. It includes a set of different springs to compare spring rates and effect of different spring sizes. It has wide range and variety of experiments. Easy-to-use, compact instrument that fits on a small bench or desktop and as a spring force constant determination as a learning tool for graphing and modeling. Compression of a spring in a spring constant testing machine is an example of a loading that can be treated as a combination of a direct shear load and a torsional load. This project is just a prototype which can be improved for implementation in industrial work.
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Last modified: 2015-11-17 13:55:48