Experimental investigation and FEA of wear in gear at torque loading conditions

Mechanical Engineering (Design)

Gear is machine element, which used to transmit the power in the modern engineering era. They differ from small in size used for the watches and the large gears used in all types of trains, bridge lifting mechanism, and industrial application with a outspread velocity ratios. The gears are a main constituent element that provides necessary support for mechanism in many machines like automobile sector, civil sector and various engineering application like mills, industries, hoisting and transmitting machinery and marine engines, etc. Gear element is used usually to transfer circular motion by variation of torque loadings. During their process gear teeth are undergo various contact and bending stresses. Gear imparts high pressure on pinion resulting in wear causing rough surfaces, pitting etc., this locations are prone to crack initiation causing fatigue failure. In this project work investigation of stresses and strains will be done at a specified torque loading using Experimental and finite element technique. Design and CAD Modeling of an existing gear pair will be done using CATIA V5 software. Discretization (Meshing) will be done by ANSYS Package. Torque loading will be done by FEA package ANSYS to analyze stresses. Setup is prepared to mount gears for replicating torque loadings. Gear surfaces will be analyzed to measure wear caused due to torque loadings. Comparative analysis will be done between FEA and Experimental results. Conclusion and further future is proposed.

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