Design and analysis of leaf spring

  • How do you manufacture a leaf spring?

    Leaves for multi-leaf springs are prepared by cutting and stamping whilst parabolic leaves are hot rolled in a purpose-made rolling machine.
    The ends of the main leaf are heated and the eyes are then hot rolled..

  • What is modal analysis of leaf spring?

    The modal analysis is carried out theoretically for finding the natural frequencies for all the materials of the multi leaf spring for the first five modes.
    To validate the theoretical modal analysis, modal analysis is conducted in ANSYS software for the first five modes.
    Modeling is done using Creo3..

  • What is the design of the leaf spring based on?

    There are two types of leaf spring used for vehicles; the multi leaf and the parabolic leaf spring.
    The multi leaf spring design is based on the use of a flat trapezoid geometry, with cut leaves stacked one on top of the other.
    This leads to a multi leaf design with different lengths of each leaf..

  • 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.
    The longest leaf is also known as the main, master, or No. 1 leaf, with leaves numbered in descending order of length.
  • The main function of leaf springs is to provide comfort to the passengers by minimizing the vertical vibration caused by the nonuniformity of road geometry.
    Studies show that the desired leaf spring material should have high strength and low modulus of elasticity in the longitudinal direction [127].
  • The two most common materials used for flat leaf springs are plain carbon steel (C1074) and stainless steel.
    Our stainless steel flat leaf springs boast a 17-7 ph ratio, ensuring top-level strength, hardness, and heat resistance.
paper consist of design and analysis of leaf spring using. ANSYS 19.2. Static structural tool has been used of ANSYS. Leaf springs are used in heavy load 

What is a leaf spring used for?

Leaf spring is used to absorb the shocks the main use of suspension system is to carry the weight of vehicle and to sustain the load in both static and dynamic condition, capacity of carrying the load is depend on the mechanical properties of the material being used

What is a structural analysis of a leaf spring?

Result and discussion 5 1

Structural Analysis (Static) Assuming leaf spring is in static condition and analyses the von mises stress and deformation in both steel and Epoxy leaf springs

Multi-leaf springs are widely used for the suspension of cars, trucks and railway wagons.
A multi-leaf spring consists of a series of flat plates, usually of semi-elliptical shape.
The flat plates are called leaves of the spring.
The leaf at the top has maximum length.
The length gradually decreases from the top leaf to the bottom leaf.
The longest leaf at the top is called master leaf. It is bent at both ends to form the spring eyes.
Two bolts are inserted through these eyes to fix the leaf spring to the automobile body.
The leaves are held together by means of two U-bolts and a center clip.
Rebound clips are provided to keep the leaves in alignment and prevent lateral shifting of the leaves during operation.
At the center, the leaf spring is supported on the axle.
Multi-leaf springs are provided with one or two extra full-length leaves in addition to the master leaf and the graduated length leaves.
The extra full-length leaves are provided to support the transverse sheer force.
Design and analysis of leaf spring
Design and analysis of leaf spring

Elastic object that stores mechanical energy

A spring is a device consisting of an elastic but largely rigid material bent or molded into a form that can return into shape after being compressed or extended.
Springs can store energy when compressed.
In everyday use, the term most often refers to coil springs, but there are many different spring designs.
Modern springs are typically manufactured from spring steel.
An example of a non-metallic spring is the bow, made traditionally of flexible yew wood, which when drawn stores energy to propel an arrow.

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