Investigate The Influence Of Cutting Fluids Direction To The Tool Life

Mohd Syafieq , Mohd Saufe (2007) Investigate The Influence Of Cutting Fluids Direction To The Tool Life. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Heat has critical influences on machining (Tlusty, 2000). Tool life is a measurement of how long an individual edge can effectively hold up to the temperatures and pressures that are generated in the cutting zone. This study is basicaJJy focused on the effect of the direction of cutting fluid on tool life. By varying the position or direction of the cutting fluid (stream line) towards cutting tool, the influence of the direction will results many effect on cutting tool. The observation on the flank surface of cutting tool is the main findings on relating the direction of the cutting fluid with tool life. Commonly, fluids are directed to the workpiece as the rotating movement of workpiece will drive the fluids along the cutting operation. But, better penetration into the tool-workpiece and tool-chip contact regions could be achieved if the two (2) suggested cooling conditions (nose radius face and flank face) are applied. These two cooling condition if applied, should provide a better cooling effect and decreasing tool wear through lubrication of the contact areas. Typically, maximum flank wear, VBmax is the medium of ensuring the failure of the tool (carbide insert). By using an image analyzer, result of each direction applied may lead to the tool effectiveness. Apart from that, the measurement of crater wear also being observed as well as the volume of material removed from the turning operation of AISI I 045 steel bar. The discussion on crater wear, flank wear measurement and other wear pattern based on scanning electron microscope analysis are some of the factors involved on determining the wear mechanism of the cutting tool. Keywords: Directions of Cutting Fluids, Maximum Flank Wear, Wear Pattern.

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