Mechanical Engineering
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Mechanical Engineering
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Item Design and Construction of a Spring Stiffness Testing Machine(American Journal of Engineering Research (AJER), 2015) O. A. Olugboji; M. S. Abolarin; J. Y. Jiya; G. M. Alaya; C. K. AjaniA spring stiffness testing machine was produced which differentiates a good spring from bad one using hydraulic principle and locally sourced materials were used to produce at relative low cost and high efficiency. It also categories each spring by stiffness into one of several distinct categories based on its performance under test. This is to ensure that in the final assembly process, springs with similar performance characteristics are mated to ensure a better ride, more précised handling and improved overall vehicle or equipment performance. The construction of the machine involves basically the fabrication process which includes such operation as cutting, benching, welding, grinding, drilling, machining, casting and screw fastening. Taken into consideration under test, were types of compression springs with varying spring loading and their different displacement recorded at different pressures to compare their stiffness.