Boring

Enlarging a hole that already has been drilled or cored.

Generally, it is an operation of truing the previously drilled hole with a single-point, lathe-type tool. Boring is essentially internal turning, in that usually a single-point cutting tool forms the internal shape. Some tools are available with two cutting edges to balance cutting forces.


See also: Boring Bar, Boring Machine.

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Subjects: Mechanical Engineering