电焊管用带钢宽度及厚度公差的选择
DETERMINATION OF THICKNESS AND WIDTH TOLERANCES OF STRIPS FOR ERW PIPES
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Abstract: Equations of relations between thickness and width tolerances and elongation of strip forming are given and the influences of the tolerances on the elongation are analysed. A method for ensuring stable forming by limiting the variation of elongation is advanced.
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Keywords:
- strip for welded pipe /
- tolerance /
- clougation pass
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