A new dummy bar used for convex roll withdrawal-straightening machine
HE Bao-wei
JANG Jun
LI Ji-wen
ZHANG Yu-lin
LIANG Long
Abstract：In order to improve the slab quality, some of casting billet caster put to use dynamic soft pressure technology.As a result of using withdrawal-straightening machine with convex roller, dummy bar chain and the upper roll was easy to scratch each other because of extruding, and to skid while inserting dummy bar.This paper presented a new dummy bar chain.The chain adopted Y type structure, and there was a decrease in scratch accidents.The pin roll was connected with the dummy bar chain through a shaft sleeve.The sleeve adopted self lubrication bearing, and there was a decrease in skid accidents.
Keywords：withdrawal-straightening machineconvex rolldummy bar chain
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 13-16 )