Near net-shape products of polymers, glass-fibres and CFRP materials are used extensively for structural applications in aerospace industries. In order to assemble these components with other structural components in an aircraft, holes need to be drilled with high-precision and accuracy. Nowadays, sandwich structures made up of CFRP/Ti6Al4V/CFRP are used as a structural component in space applications. Specialised drill bits are required for making a hole on these heterogeneous structures. The CVD Diamond coated specialised drill geometry is able to produce high-precision, delamination or damage-free, holes on these components.
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