The role of various dielectrics used in EDM process and their environmental, health, and safety issues

Use of vegetable oils as dielectric fluids for electrical discharge machining. A case study

“…As mentioned in the technical literature, vegetable oils are highly biodegradable, renewable, and have a much lower impact on the environment compared to the mineral oil, which comply with the demands for a future greener industry [ 22 , 42 , 50 , 51 ]. Moreover, vegetable oils are compatible with the existing manufacturing facilities requiring none, or a minimum effort for the adaptation of the filtering systems.…”