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Metalworking Fluids Selection and Application Effect on Tool Wear


Sharaf Al Sofyani


Vol. 22  No. 4  pp. 575-584


The research concentrates on finding out the influence of Metalworking fluids (MWFs) on the extent of the wearing of the tools, so the researcher focused on the selection and application of these fluids during the experimentation to find out the influence on the tool life and wearing level. For the experimentation, a machine having a 3-axis CNC machining center Mynx Ⅱ, equipped with a motor-spindle prime drive of twenty hp (30 kW) vector drive, 12000 rpm, is utilized. After selecting metalworking fluid, delivery method, and cutting conditions, conventional milling was performed on the workpiece with fourteen passes starting each run with a new insert. At the end of each run, the width of the major flank wear land, VB, was measured using an optical microscope. The tool wear land widths are measured through section profile of the cutting edge using Zygo’s image processing software. The results are presented that for achieving longer tool life, fluid with higher viscosity should be selected to efficiently reduce the friction between the cutting edge of the tool and the workpiece surface. In addition, the research significantly suggests that when using the flooding and through-spindle cooling (TSC) methods, semisynthetic fluid contributes to the better usage and enhancement of the life of the tools. In contrast, during minimum quantity lubrication (MQL), Emulsion fluid should be selected to achieve a better tool life.


Metalworking Fluids, Tool wear, flooding, minimum quantity lubrication, through-spindle cooling, emulsion fluid, semisynthetic fluid, synthetic fluid.