FIELD: plastic metal working. SUBSTANCE: apparatus includes two pairs of feeding rolls. Said roll pairs are kinematically connected one with another and with drive unit of working machine. Each feeding roll has cross section in the form of semicircular sector restricting working surface of roll. One roll of each pair is mounted in such a way that its working surface may be shifted relative to working surface of second roll of pair for setting feed stroke. Working surfaces of mutually opposite rolls are shifted one relative to another by 180 degrees. Apparatus allows to increase range of feed stroke adjustment from 0 up to 360 degrees of press shaft rotation. EFFECT: improved design. 21 dwg
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