Journal of the Association of Engineers, India

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An Experimental Investigation on Surface Roughness Achieved During Abrasive Water-Jet Machining of Low Carbon Steel


Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, India
2 CSIR-Central Glass and Ceramic Research Institute, Jadavpur, Kolkata-700032, India
     

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In Abrasive Water Jet Machining (AWJM), abrasive particles suspended in high pressure water are impinged on work surface for removal of excess materials. A nozzle is fitted in front of workpiece to provide high velocity jet. In this work, appropriate machining condition is tried to evaluate to yield minimum surface roughness by employing Response Surface Methodology (RSM) while machining low carbon steel. Radius of curvature is also observed during abrasive water jet machining. A statistical model is generated for predicting surface roughness. It is observed that at low feed rate condition, better surface is obtained expectedly.

Keywords

Abrasive Water Jet Machining, AWJM, Optimisation, Response Surface Methodology, RSM, Surface Roughness.
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  • An Experimental Investigation on Surface Roughness Achieved During Abrasive Water-Jet Machining of Low Carbon Steel

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Authors

Subrata Kumar Majumder
Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, India
Bijoy Mandal
Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, India
Santanu Das
Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, India
Probal Kumar Das
CSIR-Central Glass and Ceramic Research Institute, Jadavpur, Kolkata-700032, India

Abstract


In Abrasive Water Jet Machining (AWJM), abrasive particles suspended in high pressure water are impinged on work surface for removal of excess materials. A nozzle is fitted in front of workpiece to provide high velocity jet. In this work, appropriate machining condition is tried to evaluate to yield minimum surface roughness by employing Response Surface Methodology (RSM) while machining low carbon steel. Radius of curvature is also observed during abrasive water jet machining. A statistical model is generated for predicting surface roughness. It is observed that at low feed rate condition, better surface is obtained expectedly.

Keywords


Abrasive Water Jet Machining, AWJM, Optimisation, Response Surface Methodology, RSM, Surface Roughness.

References





DOI: https://doi.org/10.22485/jaei%2F2017%2Fv87%2Fi1-2%2F153429