A new hybrid Minimum Quantity Lubrication system for machining difficult-to-cut materials

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1 Citation (Scopus)

Abstract

A newly designed and manufactured hybrid MQL system is reported. Vegetable oil and tungsten disulphide suspension are mixed in an additively-manufactured nozzle and delivered through pressurised air as a coolant/lubricant spray. Cooling capability of the system is improved. Lubrication and the impact on machinability is assessed in high speed milling Ti6Al4V. Tool life and cutting forces with the new system are compared to those with air and with flood cooling and with commercial MQL. Over the reported practical range of cutting speeds, tool life is more than 2 times longer than with the commercial system and from 4 to 11 times longer than with air cooling.
Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume69
Issue number1
Early online date17 May 2020
DOIs
Publication statusPublished - 2020

Keywords

  • Cooling
  • Lubrication
  • Machining

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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