Result On Design Development & Analysis of Elliptical Leaf Spring Mount Vibration Isolation

Mechanical Engineering

An engine mount is a application component that attaches the engine bracket to the chassis or frame of engine application implement .The engine is connected to the application body by spring mount which are important for smooth operation. An engine mounting should isolates the body from engine-generated noise and vibration. The engine mount must also hold the engine in place and restrict it from moving. Engine vibrations have two major sources such as intermittent pulsing due to ignition in the engine cylinders and inherent unbalances in the reciprocating components of the engine. The frequency of the vibration depends on the number of cylinders, number of number and speed of engine. Higher frequency range is commonly observed in hand held agriculture machine driven by two stroke petrol engines. These high frequency vibration are major source of discomfort when these machinery such as sprayers, wedge trimmers, grass cutters etc are hand held or shoulder mounted or back held. Significant work has being done in area of vehicle engine vibration damping but not much research is found in these low cost machinery Hence in our attempt we shall develop an composite half elliptical spring mount and to a comparative study to conventional spring mounts available in market for same application.

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