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Burr Dimension Analysis on Various Materials for Convenantionally and CNC Drilled Holes

Kumar B. S., Vijayan V., Baskar N.

Mechanics and Mechanical Engineering

2016

Vol. 20, nr 3

347--354

This work reveals the burr dimensions at entry and exit of the drilled holes on copper, brass and stainless steel. Furthermore, the effect of spindle speed and feed rate on the burr dimensions are considered and reported. Burr size minimization is one of the key problems in drilling operation. The main aim of this research is evaluated the burr dimesion occurrences of drilling on conventionally drilled holes and CNC drilled holes. The burrs produced by conventional machine and CNC machine were compared and presented.