Influence of Minimum Quantity Lubrication on Grinding Performance of Annealed AISI 4340 Steel
Authors
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Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal ,IN
Sirsendu Mahata -
Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal ,INAnkesh Samanta
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Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal ,INJoydip Roy
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Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal ,INBijoy Mandal
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Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal ,INSantanu Das
DOI:
https://doi.org/10.24906/isc/2017/v31/i2/151971Keywords:
Grinding, Minimum Quantity Lubrication, MQL, Eco-Friendly.Abstract
Conventional grinding fluid delivery techniques are found to be less effective in reducing heat generation. Consequently, thermal damages may occur in the grinding zone. In this paper, a comparative study has been made among three conditions, namely dry grinding, grinding with a thin layer of grease lapped on the work surface and grinding with minimum quantity lubrication (MQL), while grinding annealed AISI 4340 steel workpiece. In this regard, a new MQL set-up has been developed for dripping of bio-degradable soyabean oil through a nozzle onto the work surface. Remarkably better results are observed with grease as semi-solid lubricant, as well as with MQL technique, in comparison with dry grinding with respect to force requirement and surface roughness expectedly. Quite less amount of fluid is required in MQL technique apart from maintaining an eco-friendly environment, and hence, may be recommended for further use.Downloads
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