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三线切分时影响棒材张开角的几个因素

SOME FACTORS AFFECTING SPLAYING ANGLE OF THE BAR DURING THREE-STRAND SLITTING ROLLING
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摘要 为稳定小规格带肋钢筋的三线切分轧制 ,对涉及棒材张开角的切分孔孔型诸角度进行了分析 ,通过对轧件受力状态的讨论 ,提出了诸因素与棒材张开角之间的解析式 ,指出满足三线切分稳定轧制时的棒材张开角应为 2°~ 3°,相应的孔型切分角为 30°左右 ,孔型外侧壁倾角应在 4 5°~ 5 0°之间 ,咬入角可控制在 7°~ 8°之间等。 To ensure the stability of three strand slitting rolling for small size bar, some angles on slitting groove relating to splaying angle are analysed. Based on force diagram an analytical expression between some factors and splaying angle of the bar is brought forward, pointing out that splaying angle of the bar should be 2 3 degrees, and slitting angle should be 30 degrees approximately, outboard slant angle on the slitting groove should be 45 50 degrees and bite angle should be 7 8 degrees.
作者 高伟
出处 《钢铁》 CAS CSCD 北大核心 2003年第5期33-35,共3页 Iron and Steel
关键词 棒材轧制 三线切分 孔型设计 张开角 切分角 切分轧制 bar production, three strand slitting, pass design, splaying angle, slitting angle
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参考文献1

  • 1李曼云.小型型钢连轧生产工艺与设备[M].北京:冶金工业出版社,1999..

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