PERFORMANCE EVALUATION OF CUTTING FLUIDS.
ARMY WEAPONS COMMAND ROCK ISLAND ILL RESEARCH AND ENGINEERING DIV
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An investigation into the effects of cutting fluids upon tool life, cutting forces and various theoretical tool-chip relationships has been conducted for the purpose of developing a test procedure for cutting fluid performance evaluation. Variable speed tool life testing under carefully controlled conditions, with complete tool failure as the end point of tool life, was found to give the most satisfactory results. Some correlation was found to exist between tool life and the Falex extreme pressure test and some theoretical relationships. This correlation appears to be of academic interest only and is of little practical value because of the inherent variation in most machining operations. Author