Rounding (manufacturing process)
Rounding is a manufacturing process in which an edge of a workpiece is rounded, mainly in woodwork. The tool used here is an edge milling machine or a router , each with a corresponding milling cutter . Rounding off is used to protect against injuries and to facilitate insertion into other workpieces.
An alternative edge processing is to provide an edge with a bevel .
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Wiktionary: rounding off - explanations of meanings, word origins, synonyms, translations