survetöötluse kujumuuteoperatsioon või -protsess: tooriku osa (nt varda) ristlõikepindala suurendamine kõrguse vähendamise arvel (vrd jämendus)
metalworking so as to produce a increase in section of part of a component over and above its starting size, as in forming of the head of a bolt or rivet from round bar (compare: upsetting)
Hea teada
Upset forging/heading is typically used to form heads of fasteners such as bolts, screws, rivets, and nails and to shape valves and couplings.
