To properly regulate the relation between the moving speed of a joining machine and the traveling speed of a metal bar.
Hot rolling equipment has a joining machine, disposed in the upstream side of a finishing mill 4, for joining the rear end part of a precedent metal bar 9 and the front end part of a following metal bar 6 while making the metal bars travel. The moving speed of the joining machine is made faster than the travelling speed of the precedent metal bar 9 so that no tensile force acts on the precedent bar 9 between the finishing mill 4 and the joining machine. In a joining device 3 of the hot rolling equipment, travelling of the precedent metal bar 9 is independent of the movement of the joining machine. The relation between the moving speed of the joining machine and the travelling speed of the precedent metal bar 9 is properly regulated.
COPYRIGHT: (C)2005,JPO&NCIPI
Shigetoshi Kondo
Shinichi Kaga
Shuji Maniwa
Hideaki Furumoto
Junichi Nishizaki
Shinya Kanamori
John Sub
Richeon Bon
Hasan Wook
Kim Feu Sub
Fan Byung Yeon
Won Chun Soo
POSCO
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Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto