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Fig.Load Vs. Displacement Graph for Analytical & Experimental Approach

Figure 3 Load Vs. Displacement Graph for Analytical & Experimental Approach

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Fig. 1.1: Image of a parabolic semi — elliptic leaf spring DD. L4COCT OP ELOTE VY WLCCL EAU WIPES Here we are going to discuss only about Steel Leaf Springs as our study is based on it. Leaf springs are almost universally used for suspension in light and heavy commercial vehicles. An advantage of a leaf spring over a helical spring is that the end of the leaf spring may be guided along a definite path. Semi — Elliptic Spring takes the form of a slender arc — shaped length of spring steel of rectangular cross-section. . The center of the arc provides location for the axle, while tie holes are provided at either end for a ttaching to the vehicle body. For very heavy vehicles, a leaf spring can be made from several leaves stacked on top of each other in several layers, often with progressively shorter leaves. Leaf springs can serve locating and to some extent damping as well as Ss S a pringing functions. While the interleaf friction provides a damping action, it is not well controlled and results in stiction in the motion of the suspension. A leaf spring can either be attached directly to the frame at both ends or attached directly at one end, usually the front, with the other end attached through a shackle, a short swinging arm. The shackle takes up the tendency of the leaf pring to elongate when compressed and thus makes for softer springiness. Some springs terminated in a concave end, called spoon end (seldom used now), to carry swiveling member. For heavy vehicles, they have the advantage of spreading the load more widely over the vehicle's chassis, whereas coil springs transfer it to a single point. Unlike coil springs, leaf springs also locate the rear axle, eliminating the need fortrailing arms and a Pan hard rod, thereby saving cost and weight in a simple live axle rear suspension.
Fig. 1.1: Image of a parabolic semi — elliptic leaf spring DD. L4COCT OP ELOTE VY WLCCL EAU WIPES Here we are going to discuss only about Steel Leaf Springs as our study is based on it. Leaf springs are almost universally used for suspension in light and heavy commercial vehicles. An advantage of a leaf spring over a helical spring is that the end of the leaf spring may be guided along a definite path. Semi — Elliptic Spring takes the form of a slender arc — shaped length of spring steel of rectangular cross-section. . The center of the arc provides location for the axle, while tie holes are provided at either end for a ttaching to the vehicle body. For very heavy vehicles, a leaf spring can be made from several leaves stacked on top of each other in several layers, often with progressively shorter leaves. Leaf springs can serve locating and to some extent damping as well as Ss S a pringing functions. While the interleaf friction provides a damping action, it is not well controlled and results in stiction in the motion of the suspension. A leaf spring can either be attached directly to the frame at both ends or attached directly at one end, usually the front, with the other end attached through a shackle, a short swinging arm. The shackle takes up the tendency of the leaf pring to elongate when compressed and thus makes for softer springiness. Some springs terminated in a concave end, called spoon end (seldom used now), to carry swiveling member. For heavy vehicles, they have the advantage of spreading the load more widely over the vehicle's chassis, whereas coil springs transfer it to a single point. Unlike coil springs, leaf springs also locate the rear axle, eliminating the need fortrailing arms and a Pan hard rod, thereby saving cost and weight in a simple live axle rear suspension.
MATERIAL SELECTION FOR LEAF SPRING
MATERIAL SELECTION FOR LEAF SPRING
Fig. Load Vs Stress Graph for Analytical & Experimental Approach
Fig. Load Vs Stress Graph for Analytical & Experimental Approach
Vil. NEOULTOS AND DISUUDSDSIUING The study on the behavior of the leaf spring under static conditions has been completed with all the three approaches i.e. Analytical Experimental and FEA (Ansys). The results from each section are taken for the comparison purpose. Firstly, the Experimental results are tabulated in comparison with analytical results. Comparison of results:- experimental and analytical approach
Vil. NEOULTOS AND DISUUDSDSIUING The study on the behavior of the leaf spring under static conditions has been completed with all the three approaches i.e. Analytical Experimental and FEA (Ansys). The results from each section are taken for the comparison purpose. Firstly, the Experimental results are tabulated in comparison with analytical results. Comparison of results:- experimental and analytical approach
Table : Comparison of results:- Analytical and FE approach (ANSYS) Lastly, FEA results and Experimental Results are tabulated together and compared.
Table : Comparison of results:- Analytical and FE approach (ANSYS) Lastly, FEA results and Experimental Results are tabulated together and compared.
Table Comparison of results:- Experimental& FE approach (ANSYS)
Table Comparison of results:- Experimental& FE approach (ANSYS)
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