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    論拔制力的波動性

    A DISCUSSION ON THE FLUCTUATION OF DRAWING FORCE

    • 摘要: 本文闡述了拔管過程、同管壁厚差、欠酸洗等對拔制力波動性的影響,提出了在自動軋管機上軋頭的建議。

       

      Abstract: Influences of tube drawing processes, wall thickness difference in a same tube, insufficient pickiing on the surfaces of a tube on the fluctuation of drawing force are expounded. A proposition to roll pierced shell head on a plug mill is advanced.

       

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