“MODELING AND OPTIMIZATION OF PROCESS PARAMETERS DURING AWJM MACHINING OF DIE STEEL”

Mechanical Department

In today’s scenario of manufacturing process, it is very hard to develop intricate shape with conventional machining process. This led to the development of non-conventional machining process. In industries it is used as efficient and economic alternatives to conventional ones. Abrasive Water Jet Machining AWJM is non-conventional mechanical process. AWJM is useful to cut complex shape parts which is difficult with conventional machining process. Here AISI 52100 steel used for die application, after applying heat treatment to AISI 52100, its mechanical properties are improved and it’s hard to machining. In this case AWJM is used for machining process. Quality and Productivity is performance indicator of any machining method, performance of AWJM is influenced by various input parameters. Selection of right improve parameter value improve output performance of machining and makes less difficult. For this aim to achieved high performance on AWJM, series of experiment is carried out to find effect of input parameter on output performance parameter. Three different process parameters were undertaken for this study; water pressure, nozzle transverse speed and abrasive flow rate. Experiments were conducted according to Taguchi’s design of experiments. Analysis of variance (ANOVA) was used to evaluate the data obtained to determine the major significant process factors statistically affecting the kerf characteristics. The results revealed that the nozzle transverse speed was the most significant factor affecting the kerf width. Also regression equation used to predict kerf width for vary process parameter.

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