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- 2017Tribological Evaluation on Various Formulation of Modified RBD Palm Olein as Sustainable Metalworking Fluids for Machining Processcitations
- 2017Tribological evaluation of hexagonal boron nitride in modified jatropha oil as sustainable metalworking fluidcitations
- 2016The Effect of Tribology Behavior on Machining Performances When Using Bio-based Lubricant as a Sustainable Metalworking Fluidcitations
- 2015Performance Evaluation of Chemically Modified Crude Jatropha Oil as a Bio-based Metalworking Fluids for Machining Processcitations
- 2014The Performance of Modified Jatropha-Oil Based Trimethylolpropane (TMP) Ester on Tribology Characteristic for Sustainable Metalworking Fluids (MWFs)citations
- 2008The effect of drill point geometry and drilling technique on tool life when drilling titanium alloy, Ti-6Al-4V
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The effect of drill point geometry and drilling technique on tool life when drilling titanium alloy, Ti-6Al-4V
Abstract
An experimental investigation was conducted to determine the effect of drill point geometry anddrilling methods on tool life and tool wear in drilling titanium alloy, Ti-6Al-4V. Uncoatedcarbide drills with different type of geometry under various cutting speeds and drilling methodswere used in the investigation. Experimental results revealed that both the drill geometry anddrilling techniques affect the tool wear and tool life performance when drilling Ti-6Al-4V. It wasalso found that peck drilling outperformed direct drilling in terms of tool life all cutting speedsinvestigated. Non uniform wear and chipping were the dominant failure mode of the tools testedunder most conditions.