Study on soft-contact electromagnetic continuous casting of hollow billet;
空心管坯软接触电磁连铸技术研究
5%Pb hollow billet under traveling magnetic field.
利用等轴球晶两相凝固模型计算了行波磁场作用下空心管坯的凝固过程。
Distribution of magnetic field in electromagnetic continuous casting process of Al-alloy hollow billets is studied by way of numerical simulation.
采用数值模拟的方法研究了铝合金空心管坯电磁铸造中磁场的分布规律·建立了包括水冷芯、外结晶器、铸锭及内/外两个线圈的二维轴对称有限元模型·通过求解磁矢势微分方程,确定了磁感应强度在空间的分布·计算结果表明:铸造过程中内外线圈相互作用,外线圈电流约为内线圈的一半时,磁感应强度分布比较均匀;线圈电流频率和相位是空心管坯电磁铸造中重要的工艺参数,适当增加频率,管的内表面侧磁感应强度明显增强;相位影响磁感应强度梯度的大小和方向
Control of macrostructure and surface quality during electromagnetic continuous casting of Sn-Pb hollow billets;
电磁连续铸造Sn-Pb空心管坯质量控制
Based on the solidification characters of hollow billets, a mathematical model was established to study numerically heat transfer during horizontal continuous casting of BFe30-1-1 alloy.
根据空心管坯的凝固传热特点建立了空心管坯水平连铸数值计算模型,采用ANSYS软件计算了水平连铸过程中浇注温度、冷却强度及拉坯速度对BFe30-1-1白铜合金管坯糊状区宽度和液穴深度的影响。
In order to obtain hollow billets of BFe30-1-1 alloy, a new casting technology was investigated and hollow billets with size of φ83 mm×20 mm were produced in laboratory.
探索了用水平连铸的方法制备BFe30-1-1铜合金空心管坯的技术,在实验室成功制备了φ83mm×20mm空心管坯。
Machining the Large Hollow Component with the Hold Ring on the Adjustable Central Support;
用可调中心架支承环加工大型空心长管件
Effect of Multi-electromagnetic Fields on the Quality of Continuous Casting Hollow Billet;
复合电磁场对连铸空心管坯质量的影响
Design and Research of the Billet Bidirectional Hot-centering Machine of the Seamless Tube Plant of Baotou Steel Corp.
包钢无缝厂管坯双向热定心机设计与研究
Influence by CC Billet Central Quality on Internal Fold of Seamless Steel Tube
连铸坯中心质量对无缝钢管内折的影响
A Central Drilling Control of EDM System on Blank Tube
管坯冷定心孔电火花加工系统控制研究
Study on the effect of dynamic soft reduction on the centerline segregation of continuously casting pipeline steel slab
轻压下对管线钢连铸坯中心偏析影响的研究
overhead revolving slab charging machine
架空式板坯回转-装料机
Numerical Simulation of Temperature Field and Stress Field for and Axial Crack Analysis of Heavy-wall Centrifugally Cast Hollow Bloom
厚壁离心管坯温度场和热应力场的数值模拟及其轴向裂纹分析
London Air Traffic Control Center
伦敦空中交通管理中心
RATCC (Radar Air Traffic Control Center)
空中交通管制雷达中心
tin blank for tube or pipe fittings
锡坯料，用于大小管配件
tin blank for tubes or pipes
锡坯料，用于大小管
continuous butt-weld furnace
连续式焊管坯加热炉
CATCC (Carrier Air Traffic Control Centre)
航空母舰空中交通管制中心
A iron bar is solid, a pipe is hollow.
铁条是实心的，管子是空心的。
A bar of iron is solid; a pipe is hollow.
铁棍是实心的, 而管子是空心的。
flush type screen
冲洗解堵型无中心管的环空筛管
Process Research of 8014 Al Foil for Air-conditioner Using Cast-rolling Method
铸轧法生产8014空调箔坯料的工艺研究
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。