When continuous casting machine of billet increases the drawing speed in No.
济钢一炼钢方坯铸机提高拉坯速度后出现了铸坯内部裂纹，分析其原因是二冷配水制度不合理以及钢水过热度高，为此在保证钢水流动性良好的条件下采用低过热度浇注工艺，同时采取中间包扩容，改进结晶器及二次冷却系统等措施，使铸坯鼓肚现象基本消除，方坯内部裂纹发生率由３０％降到２。
The present paper introduces the schedules of the temperature, slab withdrawing andcooling, feeding rare earth cored wire into mold and the selection of mold casting powder, etc.
介绍了攀钢连铸X52管线钢所采用的温度制度、拉坯制度和冷却制度、结晶器喂稀土丝以及结晶器保护渣选择等工艺。
The structure of die carrying on the drawing blank and the excision remainder in a press stroke is introduced, the base and in the wall department connection areamaterial thickness is guaranteed, and another similar die is introduced.
介绍了可在压力机一次行程内进行拉伸毛坯、切除余量和保证底部与壁部连接区内材料增厚的模具,以及除上述工序外可从条料上落料毛坯的类似模具。
Measurement and research into the withdrawal resistance at high casting speed;
高拉速条件下板坯连铸拉坯阻力测试与研究
The calculating method of withdrawal resistance of beam blank caster is proposed.
讨论了异型坯连铸机拉坯阻力的计算方法,将异型坯视为两个板坯的组合,重点是依据金属的弹性及高温蠕变特性,计算了二冷段凝固坯壳的鼓肚值及支承辊矫平坯壳鼓肚的阻力、拉矫辊与铸坯间的滚动摩擦阻力,计算结果与实际情况相吻合。
A Study on Billet-Drawing Curve for SLD-140 Horizontal Concaster;
SLD-140水平连铸机拉坯曲线的研究
Effect of Billet Withdrawal Speed on Molten Steel Flow and Temperature Distribution in Crystallizer
拉坯速度对结晶器内钢液流动和温度分布的影响
At the same casting speed, the eddy center is the lowest if the pouring angle is about 60° and the penetrating depth of molten steel flow increases with the increasing pouring angle.
在相同的拉坯速度下，随着浇注倾角的增大，钢液流股的穿透深度也随之增大。
Increasing Casting Speed Experiment in a Φ150 mm Round Bloom Continuous Caster
Φ150mm圆坯连铸机提拉速工业试验
Study on the Mathematical Model of Solidification Thermal Transmission in the Process of Continuous Casting Slab with Speed Changing;
连铸板坯变拉速过程凝固传热数学模型研究
Numerical Simulation of Thermal Behavior of Copper Plates for Slab Continuous Casting Mold with High Casting Speed
高拉速板坯连铸结晶器铜板热行为数值模拟
Study for Effect Factors of Surface Wave of Molten Steel in Mold for High Speed Slab Casting
高拉速板坯连铸结晶器液面波动影响因素研究
ANALYSIS OF LIQUID FLUX CONSUMPTION MECHANISM FOR SLAB CONTINUOUS CASTING MOLD WITH HIGH CASTING SPEED
高拉速板坯连铸结晶器液态渣消耗机理分析
Influence of Increasing Casting Speed of Hypoperitectic Steel Slab on Heat Transfer of Mold
提高亚包晶钢板坯拉速对结晶器传热的影响
STUDY ON MICROSTRUCTURES AND PROPERTIES OF VITREOUS TILES AFFECTED BY DIFFERENT COOLING RATES
冷却速度对砖坯显微结构及性能影响的研究
Effect of Continuous Casting Mold Oscillation Parameters on Slab Surface Cracks Formation Under High Casting Speed
高拉速连铸结晶器振动参数对板坯表面裂纹形成的影响
Study on Optimization of Mold Powder for Medium Carbon Steel Slab Casting and Plant Trial With Optimized Flux for Increasing Casting Speed
中碳钢板坯保护渣性能优化及提高拉速工业试验研究
The sizes of slabs, the casting speeds of CCM and the cooling methods in second cooling zone are key factors which affecting the temperature of slabs out of CCM.
影响铸坯出连铸机温度的主要因素是铸坯尺寸、连铸机拉迪和冷却制度。
Calculation and practice of thermal unbending pressures for big round bloom casters
大圆坯拉矫机热坯压力的计算与实践
The initial shrinkage temperature and the shrinkage change little with the increase of heating rate.
升温速率增大,坯片开始收缩的温度及收缩率几乎不变。
FEM Modelling of the Temperature Field and Stress Field of Mould Wall in High Speed Casting of Steel Billet
小方坯高速连铸结晶器温度场和应力场的有限元模拟
Effect of cooling rate on the slab surface microstructure of microalloyed steel containing Nb and Ti
冷却速度对含铌、钛微合金钢铸坯表层组织结构的影响
Effects of extrusion speed and billets of electromagnetic casting on microstructure and mechanical properties of AZ31 magnesium alloy sheet
挤压速度和电磁铸造锭坯对AZ31镁合金板材组织和性能影响
salad bowl of porcelain or china
瓷或白坯瓷制沙拉碗
