Determination of Non-Sinusoidal Oscillation Amplitude for Casting Mold

Meng Xiangning; Zhu Miaoyong; Liu Xudong

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Determination of Non-Sinusoidal Oscillation Amplitude for Casting Mold

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- Determination of Non-Sinusoidal Oscillation Amplitude for Casting Mold
- Special Steel Vol. 28, Issue 2, Pages: 13-15(2007)
- 作者机构：
  
  东北大学材料与冶金学院,沈阳,110004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：01 September 2006，
  
  Online First：09 March 2023，
  
  Published：09 March 2007
- 稿件说明：
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Meng Xiangning, Zhu Miaoyong, Liu Xudong. Determination of Non-Sinusoidal Oscillation Amplitude for Casting Mold[J]. Special Steel, 2007, 28(2): 13-15.
DOI：

Meng Xiangning, Zhu Miaoyong, Liu Xudong. Determination of Non-Sinusoidal Oscillation Amplitude for Casting Mold[J]. Special Steel, 2007, 28(2): 13-15. DOI：

摘要

利用结晶器液体摩擦力模型

结合具有最佳振动模式特点的非正弦振动形式

分析了2．0 m／min拉速时非正弦振动振幅对液体摩擦力的影响

给出了振幅选取原则和确定方法。通过对连铸1 270 mm×210 mm SPHC钢(≤0．08％C)的计算结果表明:振动采用小振幅能限制最大液体摩擦力

增大保护渣耗量

减少负滑脱时间;选定2．0m／min拉速

适宜振幅为±4 mm;随拉速提高振幅适当增大

可适时改善振动效果。

Abstract

The effect of non-sinusoidal oscillation amplitude on liquid friction force in mold with casting speed 2. 0 m/min has been analyzed by a mathematical model of liquid friction combined a non-sinusoidal oscillation waveform with optimum mode virtue to get amplitude selection principle and determination method. The calculated results for 1 270 mm x 210 mm cast bloom of SPHC steel (≤0. 08C) showed that the maximum liquid friction force could be restricted by applied small amplitude

increased flux consumption

decreased negative strip time

and defined optimum amplitude ± 4 mm at cast speed 2. 0 m/min； and amplitude should be increased suitably with increasing cast speed in order to improve oscillation effect at real time.

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Related Author

高泽平

Related Institution

湖南工业大学材料与冶金工程系

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