Abstract
Burr is a undesirable projected material adhered to an edge of a job. After drilling operation, exit burr which is usually produced beyond the rear surface of the workpiece, causes serious problem in the assembly of finished product and to maintain its quality. So, reduction of burr is essential. A number of experiments have been done in the present work under dry and wet environment to observe its effect on burr formation under different drilling conditions. In this work, an exit edge bevel of 31 degree or a back-up support is provided, and its influence on burr formed under different cutting velocities and feeds has been experimentally studied.
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