What is lubrication, how does lubrication mechanisms work in metallic emulsifiable cutting fluids?
Lubrication is facilitating motion and preventing surfaces in relative motion from deformation by forming a pellicle between two surfaces in relative motion and decreasing friction parameter. LUBRICATION MECHANISM Either one or simultaneously more of the following lubrication mechanisms can be applied to emulsifiable cutting products used in metal processing operations in respect to operation conditions. HYDRODYNAMIC LUBRICATION In that kind of lubrication, lubricant prevents two surfaces from contact and thereby friction forming a pellicle between surfaces only because of its viscosity. Pellicle which forms in this lubrication is extremely thin and can easily deform. Therefore this kind of lubrication is used where minimal lubrication is needed. POLAR (BOUNDRY) LUBRICATION This kind of lubrication occurs with the polar additives the fluid contains. Polar additives in fluid accumulate on the surface of metal and they push each other as a result of their polarity and lubricate and minim
