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Experimental investigation and optimization of material removal rate and surface roughness in centerless grinding of magnesium alloy using Grey Relational Analysis

Dinesh S., Mahadevan G., Senthil Kumar T.

Mechanics and Mechanical Engineering

2017

Vol. 21, nr 1

17--28

Modern enterprises concentrate on higher production rates with reduced time and admired quality. The surface integrity defines the quality of the product. Several processes like grinding, polishing and buffing have been used to improve the surface texture of the machined products. The most prominent challenge that is faced by an engineer is to manufacture a component with better surface integrity at reduced time, leading to increased production rate and improved profit. It is important to select proper combination of the machining parameters for obtaining the best results. The process called through feed centerless grinding helps in obtaining better surface texture. The main aim of this work is to examine the influence of various machining parameters such as regulating wheel angle, regulating wheel speed and depth of cut over surface roughness and machining time in machining magnesium alloy using silicon carbide grinding wheel. Grey relational analysis method is used for investigating the results. The optimal machining parameters were found with regulating wheel speed, regulating wheel angle and depth of cut being 46 rpm, 2 degree and 0.2 mm.