A study of the effect of palm oil as MQL lubricant on high speed drilling of titanium alloys

Machinability of Titanium Alloys in Drilling

“…As a result, both the thrust force and torque are reduced. Meanwhile, the thrust force and torque values were significantly increased when the feed rate was increased as shown in Fig. 15 (Rahim & Sasahara, 2011). The thrust force and torque are strongly correlated with the chip thickness, which is associated with the feed rate (Liao et al, 2007).…”

“…11 (Rahim & Sasahara, 2011). It was found that the air blow condition produced the highest thrust force in comparison to the other coolant-lubricant conditions.…”

“…The cutting temperature increases with the cutting speed. This corresponds with the high cutting energy, deformation strain rate as well as the heat flux (Rahim & Sasahara, 2011). Furthermore, drilling at high feed rate increases the friction and stresses, thus increasing the cutting temperature.…”

“…12. Torque when high speed drilling of Ti-6Al-4V under various coolant-lubricant conditions (Rahim & Sasahara, 2011) www.intechopen.com Fig. 13.…”

Investigation on the Tribological Behaviour of Modified Jatropha Oil with Hexagonal Boron Nitride Particles as a Metalworking Fluid for Machining Process

“…It includes the principles of friction, wear and lubrication. In the machining process, the tribological behaviour contributes to the reducing in machining energy, power consumption and resource conservation through the reduction in friction and prevent wear [1]. It was reported that 52% of the worldwide metalworking fluids consumptions is used for the machining purpose [2].…”