International Journal of Engineering Research

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A Comparative Study of CNC Milling of Aluminium using Flood Coolant and Air Cooled Machining


Affiliations
1 Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India
 

The present work compares the performance of CNC milling operations using flood coolant and air-cooled machining of aluminium. At high speed and feed, the burr formation in air-cooled machining is significantly lower than that in flood coolant machining at the cost of surface roughness. SEM studies reveal higher oxidation of the workpiece in air-cooled machining. No significant difference in the hardness of the workpiece is observed.

Keywords

Air-Cooled Machining, Flood Coolant Machining, Surface Roughness, Burr Formation.
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  • A Comparative Study of CNC Milling of Aluminium using Flood Coolant and Air Cooled Machining

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Authors

A. Dhar
Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India
A. Saikia
Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India
M. K. Barman
Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India
N. Kashyap
Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India
A. Borah
Department of Mechanical Engineering, Assam Engineering College, Guwahati-781013, India

Abstract


The present work compares the performance of CNC milling operations using flood coolant and air-cooled machining of aluminium. At high speed and feed, the burr formation in air-cooled machining is significantly lower than that in flood coolant machining at the cost of surface roughness. SEM studies reveal higher oxidation of the workpiece in air-cooled machining. No significant difference in the hardness of the workpiece is observed.

Keywords


Air-Cooled Machining, Flood Coolant Machining, Surface Roughness, Burr Formation.