连铸结晶器保护渣对铸坯表面质量具有显著影响。
The mould powder has played an important role on the quality of strand surface.
连铸结晶器保护渣对铸坯表面质量具有显著影响。
The protective dregs of the continuous casting crystallizer appreciably affect the quality of the casting block surface.
板坯连铸机机头是对铸坯表面质量有决定性影响的因素。
The slab caster machine head is the most decisive caster section which has an influence on the surface quality of the cast strand.
连铸过程连铸坯表面裂纹是影响连铸坯质量的重要问题。
Surface cracks on slab are one of the important quality problems during continuous casting.
三角口裂纹、直线裂纹和渣孔是连铸坯表面夹渣的主要表现形式。
Triangle crack, linearity crack and slag eye are main form of surface wrapped slag in continuously cast billet.
在方坯横截面上，铸坯表面中心和角部的收缩量明显大于偏角部。
In the cross section of square billet, the shrinkage values in the center of billet surface and billet corner are obviously bigger than that in the off-corner.
该方法已经实现在线应用，用于替代连铸坯表面的人工肉眼检测。
The technique was applied to a continuous casting line to replace traditional human inspection with eyes.
考察了冷坩埚式结晶器外施加高频电磁场对连铸坯表面质量的影响。
The effect of high frequency electromagnetic field imposed on outside of a cold crucible mold on the quality of cast metal in hot experiment was studied.
结晶器振动导致初凝坯壳受力和变形是产生铸坯表面裂纹的主要原因。
The stress and distortion of initial solidifying shell due to mold oscillation is the main reason of generating strand surface cracks.
据此认为，连铸弯月面温度波动是导致铸坯表面缺陷产生的一个重要原因。
It is considered that the temperature fluctuation of meniscus is a key factor for the surface defect formation of continuous casting billets.
所述红外测温仪安装在机械扫描机构上，对铸坯表面进行二维扫描测温；
The infrared thermometer is mounted on the mechanical scanning mechanism so as to bi-dimensionally scan the surface of the casting ingot.
应用新型的稀土处理钢用保护渣没有发生拉漏事故，并提高了铸坯表面质量。
Break out accidents have never occurred and surface quality of slabs has been improved since introduction of this new type of mould flux into continuously casting the rare earth treated steel.
本文介绍一个连铸二冷区铸坯表面温度测量系统的测量方法和实际应用情况。
The application and measuring method of a slab surface temperature measuring system for secondary cooling zone of continuous casting are introduced.
铸坯表面横向裂纹是连铸坯较严重的缺陷，其对铸坯的生产和质量危害很大。
Being a more serious defect, transverse crack on slab surface is very harmful to slab production and quality.
通过二冷工艺的优化，提高了二次冷却的均匀性，铸坯表面和内部质量大幅度提高。
Through the optimization of second cooling technology, the uniformity of the secondary cooling is improved, and the surface quality and the internal quality of beam blank are greatly improved.
光学缺陷检测技术，对热连铸坯表面缺陷而言，具有高速、非接触、高分辨率等优点。
The optical inspection technology of surface defect, as for defects of hot continuous casting slabs, has advantages of high speed, contactless and high resolution.
研究结果表明：提高振频和振幅均增大铸坯表面裂纹形成的可能，振频影响强于振幅；
The results show that the possibility of surface cracks formation increases with oscillation frequency and amplitude, and the influence of oscillation frequency is stronger than that of amplitude.
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab.
连铸坯与结晶器间摩擦力是反映铸坯表面质量、优化工艺参数和进行拉漏预报的有效参数。
The friction between billet and mold is an effective parameter reflecting billet surface quality, optimizing technologic parameters and predicting breaking out.
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation ofm...
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab. E…
为了实现高温铸坯表面缺陷在线检测，介绍了高温连铸坯电涡流探伤技术及相应的试验装置。
In order to realize surface defect monitoring on-line of hot slab, eddy current detection technology and its experiment equipment for hot slab surface defect is introduced in this paper.
研究了不同拉速、过热度及二冷比水量对铸坯表面中心和角部温度及铸坯凝固终点位置的影响。
The effects of different casting speeds, degree of superheat and secondary cooling to the central and Angle part temperatures and the final solidification point have been studied.
连铸保护渣对连铸工艺的顺行和提高铸坯表面质量具有重要影响，是连铸过程中关键性的辅料。
Mould flux is a very important and critical material during continuous casting of steel, and takes a key role to improve quality of strands.
由于铸坯表面裂纹形成的裂纹灶，降低了产生内裂所需要的应力值，易于形成内、外相连的纵裂。
The stress required for producing internal crack decreases since there are loci of cracks in the slab caused by the surface crack, so the longitudinal cracks from inner to surface form easily.
对生产数据进行分析，认为钢水成分、拉速和结晶器液面波动等是造成连铸坯表面纵裂的主要原因。
The composition of molten steel, cast speed and mould level changing are thought to be main reasons of causing surface longitudinal cracks by analyzing producing data.
板卷产生边部裂纹的主要原因是：连铸坯表面边部横裂纹（包括深的振痕）和边部的细小纵裂纹，在加热和轧制过程中不断扩展；
The main reasons of the edge cracking are: expanding of horizontal cracks (including deep oscillation imprint) and fine vertical cracks of cast blank during reheating and hot rolling;
软接触结晶器电磁连铸可以改善铸坯的表面质量，但其电磁场对拉坯阻力的影响以及拉坯阻力与铸坯表面质量间的关系仍值得研究。
However, the behavior of friction force during the continuous casting and the relation between the quality of the billet and the friction force are still unclear.
结晶器振动装置的运动精度对铸坯的表面质量有很大影响。
The movement locus precision of mould oscillation equipment does much influence on strand surface quality.
结晶器振动装置的运动精度对铸坯的表面质量有很大影响。
The movement locus precision of mould oscillation equipment does much influence on strand surface quality.
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