抄録
r straightening is asked is high every year, there are very few exsamples of reseach report in bar and wire. By this paper, the relation between roll intermesh and straightness is verified in bar and wire. As a result, the limit existed in roller leveler straightening, and it turns out that curvature has newly broken out on the third axis in that case. When the action is investigated , it ascertained that a cause is in bending processing in straightening itself
