Reason-A Technical Journal (Formerly Reason-A Technical Magazine)

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Drilling is a machining process in which a hole is originated or enlarged by means of a multipoint, fluted, end cutting tool As the drill rotates and enters the workpiece, material is removed in the form of chips along the fluted shank of the drill The effectiveness and overall economy of drilling depend on the type of cutting tool, and way of use Simple geometrical modifications at the cutting edge can help achieve significant improvement in machinability, and hence its efficiency and economy In this paper, an overview is made on the advancement of drilling process and geometry of the drill bit.

Keywords

Drill Drill Geometry, Tool Material, Drill Modification.
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