Influence Of Drill Geometry On Burr Formation Characterization

Mohd Zamri , Gzali (2007) Influence Of Drill Geometry On Burr Formation Characterization. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This report describe about “Influence of Drill Geometry on Burr Formation Characterization”. In this study the entrance and exit burr will be investigate by using a different of drill bit with coated TiN and TiAlN. The selection of cutting tool is coated to investigate the burr formation, tool wear and surface roughness. The selected point angles of drill bit are 120º to compare of burr formation characterization, surfaces roughness, and tool wear and the effect of speed and feed rate to the work piece will be discuss. In this study the burr will be measure by using of Horizontal Optical Comparator, the tool wear was measure by Tool Maker Microscope and surface roughness was measure by Portable Surface Roughness SJ-301. The diameter of cap burr formation will be measured at the exit burr. The appropriate material that used in this study is stainless steel 300 series. The burr formation will be investigated on this material. The experiment was run by using CNC Milling Machine. This experiment called hard drilling because coolant not use for this experiment and used high speed and feed rate for drilling operation.

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