Method and apparatus for continuous rolling by welding the rolle

Details Method and apparatus for continuous rolling by welding the rolle Method and apparatus for continuous rolling by welding the rolle

1997-06-16

2000-07-18

Ryan, Patrick

Metal fusion bonding

Process

With removing or reshaping of filler material or flash after...

228 57, 228158, 228160, B23K 3110, B23K 37047, B23K 3708, B21D 3900

Patent

active

060894415

ABSTRACT:
A plurality of materials are rolled in an upstream stand. While the transfer speed of a succeeding material and the front end position thereof are detected, the transfer speed and the rear end position of a preceding material are detected by a measuring roll. The transfer speed of the succeeding material is controlled by adjusting at least the drive speed of the pinch rolls so that the front end of the succeeding material contacts the rear end of the preceding material at a specified position in a travelling welder. The rear end of the preceding material is joined with the front end of the succeeding material by flash-butt welding using the travelling welder to form a continuous material while letting the travelling welder move at a speed synchronous with the transfer speed of the continuous material. The welded portion on the continuous material is ground and/or cut to remove burr therefrom. After removing the burr, the continuous material is continuously rolled by a down-stream stand.

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