Roll sizing pass arrangement for rod-rolling and wire-rolling lines or blocks

摘要

A roll sizing pass arrangement for continuously operating bar-rolling and wire-rolling lines or blocks, comprises a plurality of sizing passes each comprising three rolls (2). Working sizing passes (8) disposed at the entry end have sizing pass openings with substantially straight contour lines, and two dimensioning sizing passes (7) disposed at the delivery end directly beyond the last pass (8) have sizing pass openings with substantially circular contour lines. Furthermore, the last dimensioning sizing pass (7a) but one performs a minimum cross- sectional reduction of 8%, and the last dimensioning sizing pass (7b) performs a maximum cross-sectional reduction of 3.8%. IMAGE