The basic requirement of forming roll pass design

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Forming roll pass design is the basic requirement of correct selection of deformation zone length and the rational distribution of each frame deformation to eliminate the possibility of strip edges produce residual deformation.The forming quality directly affect the quality of weld

(1) forming from the strip edge of minimum relative elongation, and does not produce "bulge" and crease.
(2) the strip forming stability in the groove.
(3) the deformation is uniform and forming roll wear and tear to small and uniform.
(4) the energy consumption is small.
(5) forming process, to ensure the quality of welded pipe surface symbol standards and specifications.
(6) roll processing is convenient.

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