kuumvormstantsimine kahe vastassuunas pöörleva sektorikujulise stantsi (sepavaltside) vahel, mida kasutatakse nii stantsiste tootmisel kui ka toorikute ettevalmistamiseks vormstantsimiseks teistel seadmetel - vasaratega, pressidel, a process of shaping stock between two driven rolls that rotate in opposite directions and have one or more matching sets of grooves in the rolls; used to produce finished parts or preforms for subsequent forging operations