The steel liquid superheat, velocity and rule of secondary cooling are important process parameters influence on billet internal quality.
钢水过热度、拉速和二冷制度是影响铸坯内部质量的重要工艺参数。
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.
研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。
The effect by pre-plug compression rate on formation of the cavity was investigated in a comparative method with step-down test samples of HCC billet and rolled bloom respectively.
用塔形试样对比研究了水平连铸管坯和轧制管坯穿孔时顶头前压缩率对孔腔形成的影响。
The effect of alternating magnetic field frequency on the meniscus, microstructure and element distribution of the static formed ingots of minitype square billet of 7050 aluminium alloy.
研究了在交变磁场作用下磁场频率变化对7050铝合金小型方坯静态成型铸坯熔体的弯液面、显微组织以及元素分布的影响。
The smelting and casting performances of horizontal continuous cast red copper are discussed, and the effects of continuous casting process procedures on the quality of red copper billet analyzed.
探讨水平连铸拉铸紫铜熔炼、铸造的工艺特点，分析拉铸工艺参数对铸坯质量的影响。
The cause for Angle crack on small billet in Chengde Iron and Steel Company is analyzed, the measures to prevent it worked out.
对承钢小方坯角裂产生的原因进行了剖析，并制订出相应的措施以减少裂纹。
This article comments on the defect types, cause of formation of continous casting round billet and correlated measures for quality improvement.
评述了连铸圆坯常见的质量缺陷类型、成因及改善质量的相关措施。
Compared it with conventional billet, billet cast with high frequency electromagnetic field, on which depth of surface oscillation mark was decreased remarkably, had a smooth surface.
施加高频电磁场的铸坯与传统连铸坯相比，表面振动痕深度明显减小，且表面光滑。
FIG. 3 shows the effect of billet reheat temperature and time on machinability.
图3示出了坯料再加热温度和时间对机械加工性能的影响。
Introducting a gear billet forming die carrier structure used on friction press for no fash forming discusses die carrier guide, ejector pins and main elements selection of materials, heat treatment.
介绍了一种在摩压机上采用无飞边模锻齿轮坯的模架结构。对模具的导向、顶料装置以及主要构件的选材、热处理进行了论述。
In the upsetting process, it is easy to form drum shape on the side surface of the cylindrical billet, which has puzzled the practical manufacturing for a long time.
镦粗过程中，圆柱坯料易在侧表面形成鼓形，这一问题长期困扰着实际生产。
The process of local heating and local cooling on cylinder billet is analyzed by the ANSYS software.
运用AN SYS软件对圆柱体坯料局部加热和局部冷却过程进行了热分析。
There was no obvious oscillation mark on the billet surface. The average steel production of a copper tube was 3700 ton.
铸坯表面质量良好，单根铜管的平均过钢量为3700吨。
Influence of feedstock qualities of Mo-Nb alloy, including its preparation of sintering billet, chemical composition and specifications, on processing single crystal is discussed in detail.
主要讨论了钼-铌合金原料品质，包括烧结条的制备、原料的化学成分、原料棒的尺寸规格等对单晶制备的影响。
The study shows that the primary defects on the round billet used for piercing are the sources of screwy surface cracks.
试验结果表明，穿管坯料上存在的原始缺陷是产生螺旋裂纹的内在因素。
The billet was at first pre formed and close-die forged on different hydraulic presses and then the forging was rolled, punched and bended. Such a production line will be the most efficient.
钢坯先在一台水压机上预成形制坯，再在另一台压机上模锻，经轧制扩径后冲孔压弯。
Conversely tax rebates were cut down or removed on products featured with heavy energy consumption heavy pollution and resource-related such as billet rolled steel and aluminum not forged or rolled.
降低或取消了钢坯、钢材、未锻轧铝等高能耗、高污染和资源性产品的出口退税。
The mathematical model of wire cool controlled rolling based on the analysis of thermal process of billet after being discharged is established.
在详细分析钢坯出炉后热过程特点的基础上，建立了线材控冷轧制热过程数学模型。
A new on-line calculation method for billet weight by measuring its cross section was presented, and cut-by-weight of billets could be realized by this method.
提出了一种通过测量方坯截面面积在线计算方坯质量的方法，通过该方法可以实现方坯的定重剪切。
This article analyzes the technical difficulty based on the introduction of the lossless detection on line method of the hot-rolled steel billet and sets down the corresponding countermeasure.
在对热轧钢坯在线无损检测的方法进行介绍的基础上，对技术难点做分析并制定相应的对策。
When applied high frequency pulse current on CC. billet, the centerline pipe and centerline crack in billet are eliminated, and the central segregation and middle crack are improved.
用高频电场处理连铸小方坯，可以消除铸坯中心缩孔和中心裂纹。改善中心偏析和中间裂纹。
A two - dimension unsteady heat transfer model has been used to analyse the influence of superheat and secondary cooling water distribution on the internal quality of billet.
以小方坯二维非稳态传热模型为工具，分析过热度和二冷配水制度对连铸坯内部质量的影响。
Based on the crystal plasticity theory and mathematical theory of statistics, the relation of flow stress fluctuation quantity to grain dimension as well as billet dimensions was built.
基于晶体塑性理论及数理统计理论，建立了流动应力波动幅度与晶粒尺寸和坯料几何尺寸间的关系。
Though infrared thermoscope is used to detect the temperature of billet when it is taken out of the stove, precision is still affected because of the oxide layer on the surface.
尽管钢材出炉时，可用红外线测温仪来进行钢材表面温度检测，但因钢材表面存在氧化层，也影响钢材温度检测精度。
The updated mathematic models for calculation of the central pipe formotion in continuous cast billet are built up, based on the material balance and the previous published models.
通过物质平衡原理讨论并新建立了计算方坯中心缩孔的数学模型。
Not only the application of clamp machine advance work efficiency of stock working procedure, it is provided with the function on checking up surface quality of billet material.
钢坯夹持机的应用不但可提高备料工序的工作效率，同时还具备检验钢坯表面质量的功能。
In the light on billet, crossed the workpiece and crossed the contact area, crossed flat platform should be processed, does not exist to the point blank that find problems are crossed.
在光坯上划线时，工件与划线平台的接触面，划线平板应该是已加工的基准面，不存在向毛坯划线那样的找正问题。
Cooling slab is an important link in the process of the entire bloom continuous casting production, it has a direct impact on the quality and output of billet.
铸坯冷却则是整个大方坯连铸生产过程中的一个重要环节，它直接影响铸坯的质量和产量。
Process of rolling forming from both side of disk type parts has been studied with analysis of forces applied to rolling head and each contacting zone on billet.
研究了盘型件双面辗压成形过程，分析了辗压头与坯料各接触区域受力状态。
The secondary cooling control scheme suitable for rail steel ensures the billet internal quality and mechanical properties, and meets the requirements of follow-on products using billets.
满足攀钢钢种连铸工艺要求的二次冷却控制系统，保证了连铸坯内部质量和力学性能，满足攀钢后续产品使用铸坯的要求。
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