Zhang Jiaqi. DESIGN OF VERTICAL ROLL DUAL-RADIUS PASS[J]. STEEL PIPE, 1995, 24(5): 27-29.
    Citation: Zhang Jiaqi. DESIGN OF VERTICAL ROLL DUAL-RADIUS PASS[J]. STEEL PIPE, 1995, 24(5): 27-29.

    DESIGN OF VERTICAL ROLL DUAL-RADIUS PASS

    • Introduced in the article are drawing-making method for designing the vertical roll dual-radius pass for forming machine in hte welded pipe production line and the two derived formulae for determining the value of \fracL2 which are very helpful for pass engineering and making.
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