How to deal with the revers of spiral steel pipe

Date: 2021-01-18

How to deal with the revers of spiral steel pipe How to deal with the revers of spiral steel pipe Along a straight line or curve or flat portion of the curved portion of sheet metal bent into upstanding flange stamping method. Flanging type:According to the nature of the deformation, it can be divided into elongated cuffs and compression type flange type flange. Elongation type flange comprising: burring hole. Not closed flat cuffs along the concave curve and elongation-edged blanks carried on the surface. Compact flange comprising: a planar flange along the convex curve is not closed and compression-edged performed on a blank surface. Elongation type flange, flange arc than the original blank flange parts of the arc length of molding required tensile deformation to increase the length of the segment. Flanging the flange, the greater the change and flanging deformation of the flange arc length. FLD-edged elongated blank deformation zone is part of the rupture elongation. When the compact flange, the flange parts arc length arc length smaller than the original flanges in compression deformation of the blank state. Flanging the flange is higher, the greater the compressive deformation amount required. Defective compact flange deformation zone is prone to wrinkling compression deformation portion. The method can be processed by flanging shape more complex and three-dimensional article having good stiffness and reasonable space shape. Edge parts used for strengthening, improved appearance, enhanced rigidity and trimming removed. Post time: Jan-18-2021

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Tags : spiral welded pipe , alloy steel seamless pipes , oil tubing

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