Surface cutting of hot-rolled steel products

Details Surface cutting of hot-rolled steel products Surface cutting of hot-rolled steel products

B - Operations, Transporting

23

C

B23C 3/13 (2006.01)

Patent

CA 2366299

In cutting the top and bottom surfaces of a hot- rolled steel sheet by the rotation of milling cutters holding the sheet therebetween in the thickness direction of the sheet in the running process of the hot-rolled sheet, the cutting resistance is determined by the cutting conditions including the type of hot-rolled sheet, the temperature in cutting, and the cut depth is controlled by the adjustment of cut depth, and cutting is performed by making the tension produced on the hot-rolled sheet by the cutting resistance lower than the breaking strength of the joint portion to prevent the breakage of hot-rolled sheet. The apparatus employed includes a moveable sheet passing guide for holding the hot-rolled steel product during passage of the product from the input side to the output side of the milling cutter pair.

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