Method and apparatus for producing metal bars

Details Method and apparatus for producing metal bars Method and apparatus for producing metal bars

B - Operations, Transporting

21

B

B21B 1/00 (2006.01) B21B 1/08 (2006.01)

Patent

CA 2071545

N strands of metal bars are simultaneously produced by subjecting a preformed billet rolled by a roughing rolling train of a bar rolling mill to a finishing rolling; rolling N pieces of strands connected to each other by means of thin connecting portions; then cutting off both the outer strands along the thin connecting portions by means of a pair of slit rolls; subsequently cutting off both the outer strands out of a plurality of strands not yet cut off at an intermediate portion of the strands along the thin connecting portions by means of a pair of slit rolls; further cutting off all the strands by repeating the cutting of the strands along the thin connecting portions thereof; and producing simultaneously N strands of metal bars by simultaneously rolling the cut strands.

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