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Development of pulse-assisted cryo-micro lubrication architecture for machining of Ti-based alloys: A frugal innovative attempt for a hybrid lubri-cooling technique by Dungavath Narayana Swamy Naik; Varun Sharma is a Engineering article available to read on EtoBox.

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In the present study, an Intermittent Spray Cooling (ISC) architecture has been developed for machining process applications for the first time. ISC is a newer cooling strategy through which cutting fluid is delivered into machining zone in a time-controlled pulsating mode. In order to enhance the machining performance for the least amount of coolant/lubricant consumption, the frugal design approach has been adopted including hybrid (liquid nitrogen (LN2) + minimum quantity lubrication (MQL)) cooling strategy and spray flow controller. Pulse assisted Cryo+MQL (PCMQL) integrated the application of a minimum quantity of mango seed oil (MSO) and liquid nitrogen (LN2) from two distinct nozzles in the machining zone. Therefore, to reveal the impact of PCMQL in turning of Ti-3Al-2.5 V, tool flank wear, cutting force, and surface roughness have been investigated. The obtained results have been compared with different environment conditions: dry cutting, MQL, pulse-MQL (PMQL) with 0.5 s pulse time, PMQL with 1 s, LN2, and hybrid Cryo+MQL. For comprehensive analysis, scanning electron microscopy (SEM), energy-dispersive spectrometer (EDS) has been used to analyze Ti-3Al-2.5 V chemical eleme

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Author

Dungavath Narayana Swamy Naik; Varun Sharma

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)