Implementation of Sustainable Vegetable-Oil-Based Minimum Quantity Cooling Lubrication (MQCL) Machining of Titanium Alloy with Coated Tools

The lubrication capacity and penetration ability of the minimum quantity cooling lubrication-based strategy is linked with specific parameters (oil flow rates air pressure), cutting conditions, chip formation. It points out complex selection involved in MQCL-assisted to attain optimal machining performance. Lubrication during metal operations a phenomenon, as it strong function conditions. In addition, also depends on physical properties lubricant chemical interactions. Minimum Quantity (MQL) has been criticized due absence parts; MQCL modified version where part form sub-zero temperatures provided. aim this paper was investigate influence different under (MQCL) when aeronautic titanium alloy (Ti6Al4V) using Titanium Aluminum Nitride—Physical Vapor Deposition (TiAlN-PVD) coated inserts. experiments system were performed levels oil (70, 90, 100 mL/h) performance compared conventional dry flood settings. A generic trend observed that increasing rate from 70—mL/h h/h improved surface finish reduced thermal softening at low feed 0.1 mm/rev. results revealed many tool-wear mechanisms such adhesion, micro-abrasion, edge chipping, notch wear, built-up (BUE), layer (BUL) existed.