FIELD: process flows.
SUBSTANCE: method of manufacture includes blank forming in multiroll calibrated operating tool of forming mill included to pipe electric welding plant. The operating tool is mounted in power-operated rolling mills and implements geometrical parameters of mill rolling area. The forming process is performed in monotonous lengthwise rolling area with provision of identical values of axial deformation of fibers of peripheral areas of pipe blank owed to curvature correction of gauging sections of formed form-type tool.
EFFECT: production of quality forming.
8 dwg, 10 tbl, 1 ex
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| METHOD FOR FORMING PIPE BILLET | 1992 |
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