An experimental investigation on effect of minimum quantity cooling lubrication (MQCL) in machining titanium alloy (Ti6Al4V)

  • Salman Pervaiz
  • Amir Rashid
  • Ibrahim Deiab
  • Cornel Mihai Nicolescu
ORIGINAL ARTICLE
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Abstract

During the machining operation, elevated temperatures are achieved at the cutting interface due to the presence of high plastic deformation and friction in between the tool and chip contacting area. Efficient heat dissipation from the cutting interface is required to achieve better machining performance. Elevated temperature in the cutting area results in lower tool life as it facilitates different types of wear mechanisms. Metal working fluids (MWFs) are employed to reduce heat and friction in the cutting zone, simultaneously to help in the flushing of waste particles. The MWFs are based on either water or petroleum oil and include several additives which make them non-biodegradable and toxic in nature. The minimum quantity lubrication (MQL) method offers a feasible substitute to the MWF-based conventional flood cooling method. In this study, a vegetable oil-based MQL system was mixed with sub-zero temperature air to design a new minimum quantity cooling lubrication (MQCL) system. The study investigates the machinability of Ti6Al4V using an MQCL system under various oil flow rates and compared its machining performance with both dry cutting and conventional flood cooling. For further evaluation, the study investigated surface roughness, flank wear, and associated wear mechanisms. It was found that in the MQCL system (60–70 ml/h), oil supply rates provided reliable machining performance at higher feed levels.

Keywords

Titanium MQCL Machinability Wear MQL Turning Tools Biodegradable 
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Copyright information

© Springer-Verlag London 2016

Authors and Affiliations

  • Salman Pervaiz
    • 1
    • 2
  • Amir Rashid
    • 1
  • Ibrahim Deiab
    • 3
  • Cornel Mihai Nicolescu
    • 1
  1. 1.Department of Production EngineeringKTH Royal Institute of TechnologyStockholmSweden
  2. 2.Department of Mechanical EngineeringAmerican University of SharjahSharjahUnited Arab Emirates
  3. 3.School of EngineeringUniversity of GuelphOntarioCanada

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