Pipe forming roll apparatus and method

Details Pipe forming roll apparatus and method Pipe forming roll apparatus and method

B - Operations, Transporting

21

B

B21B 13/02 (2006.01) B21B 23/00 (2006.01) B21B 27/02 (2006.01) B21B 37/60 (2006.01) B21C 37/08 (2006.01) B21C 37/083 (2006.01) B21B 27/08 (2006.01) B21B 31/04 (2006.01)

Patent

CA 2281295

A forming stand for continuously forming a skelp material into a pipe, by pressure of spaced-apart forming rolls supported by spaced upper and lower shafts, the forming rolls having two portions, with one portion fixedly fitted on one side of its shaft, a sleeve slidably fitted to the other end of the shaft and fixedly secured to the sleeve and slidable with respect to the shaft; a bearing box for supporting one side of the associated shaft; a bearing box supporting the other side of the associated shaft through the sleeve; upper and lower stand supporting frames for supporting both of the bearing boxes to be movable in an axial direction; and supporting columns for supporting the stand supporting frames; the pipe-forming force is continuously measured and the forming operation is adjusted such that the measured value of pipe-forming force does not exceed a predetermined pipe-forming upper limit.

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