Continuous production facilities for wire

B - Operations – Transporting – 21 – B

Patent

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Details

B21B 43/00 (2006.01) B21B 45/00 (2006.01) B21C 47/26 (2006.01) C21D 9/573 (2006.01) B21B 1/18 (2006.01) C21D 8/06 (2006.01)

Patent

CA 2338413

The present invention relates a train of in-line continuous manufacturing equipment for producing steel wire, considered difficult with a block mill up to now, capable of efficiently carrying out controlled-rolling and slow-cooling by an effective in-line combination of controlled rolling apparatuses and slow cooling apparatuses, having a hot rolling mill for steel wire, a winder to wind the rolled steel wire into rings, bundling apparatuses to pack the wound steel wire into bundled coils and an in-line heat treatment furnace to slow-cool the steel wire bundled into coils, which are sequentially connected, and using, preferably, a block mill with an area reduction rate of 25 to 60% having at most 4 roll stands as a final finish rolling mill of the hot rolling mill.

L'invention concerne des installations de production en continu de fils d'acier de carbone ou de fils d'acier d'alliage, destinés à des structures mécaniques et possédant d'excellentes caractéristiques pour un travail à froid, ces installations pouvant facilement maîtriser le laminage considéré généralement comme difficile avec un laminoir à bloc, et permettant un laminage commandé efficace et un refroidissement lent, par combinaison efficace de l'installation de laminage en ligne avec une installation de refroidissement lent. Les installations de l'invention comprennent les éléments suivants, reliés en continu et de manière successive: un laminoir à chaud, destiné aux fils, un dispositif d'enroulement des fils laminés et de formation de ces fils en anneaux, un dispositif de groupage des fils bobinés, ainsi qu'un four de traitement thermique en ligne, destiné à refroidir lentement les fils bobinés et groupés; elles mettent en oeuvre, en tant que laminoir de finissage du laminoir à chaud, un laminoir à bloc comprenant, de préférence, une diminution de superficie de l'ordre de 25 à 60 %, et jusqu'à quatre cages de laminoir.

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