Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
Crystal instrument is the key part of plane casting, the structure affects directly the surface quality of drawing material.
结晶器是水平连铸工艺中的关键工装部件,其结构直接影响拉拔管材的表面质量。
Fluid flow in the mould must be optimized in order to improve the internal and surface quality of the slabs while increasing the casting speed.
在拉速提高的条件下,必须优化结晶器内流场以适应稳定生产的需要,防止气孔、拉漏等铸坯缺陷的产生。
The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
试验结果表明采用钢包注流保护浇注技术可降低二次氧化,提高铸坯内在和表面的质量。
Casting surface quality which is determined by casting parameters, affects the performance of mechanics and electrical conductivity.
铸件的表面质量影响着铸件的力学性能和导电性能,而表面质量与拉铸工艺参数有关。
The quality control and measures of producing pure copper strip for copper-clad aluminium conductor was represented, when the strips were in casting, rolling and surface treating.
阐述了生产开发铜包铝线用纯铜带在熔铸、轧制、表面处理过程中的质量控制及其措施。
By varying cast-penetration technics, the influence of thickness and quality in composite layer with si by casting on the surface of cast steel were studied.
研究了不同铸渗工艺对铸钢件表面铸渗硅复合层厚度和质量的影响。
The protective dregs of the continuous casting crystallizer appreciably affect the quality of the casting block surface.
连铸结晶器保护渣对铸坯表面质量具有显著影响。
Surface cracks on slab are one of the important quality problems during continuous casting.
连铸过程连铸坯表面裂纹是影响连铸坯质量的重要问题。
The solidification and heat transfer in meniscus zone have deep influence on the formation of initial solidified shell, surface quality and smoothness of casting operation.
连铸弯月面区域的凝固传热对初生坯壳的均匀形成、铸坯的表面质量以及连铸生产的顺利进行有重要影响。
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.
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。
The rate of heat transfer in mould affects significantly on the surface quality of slab and protection of steel breaking in continuous casting.
在连铸过程中结晶器的传热速率对铸坯的表面质量和防止漏钢都具有十分重要的影响。
The position of overflow and thicker inner gate was optimized to reduce the probabilities of cold shut, flow marks and slag. Furthermore, the surface quality of the die casting improves.
提出了在恰当位置设置溢流槽和增大内浇口厚度等改进措施,从而有效降低了铸件冷隔、流痕、夹渣等缺陷的产生,提高了压铸件表面质量。
The surface cracks might appear on continuous casting slab, whose evolution behavior during hot rolling severely affects the quality of rolled products.
连铸坯可能出现表面裂纹,其在轧制过程中的演变行为严重影响着轧制产品的质量。
The said method can compound alloy layer with high quality and adjustable thickness on the surface of casting with different shape.
本方法可以在不同形状的铸件表面复合合金层,保证了铸件合金层质量,合金层的厚度可以调节,因而有很强的适应性。
The methods to improve the quality of the surface of extrusion materials by removing the defects on the surface layer of casting ingot are reviewed in this paper.
本文综述了清除铸锭表层缺陷,以提高挤压材表面质量的方法。
Using self-feeding in solidification can make good surface quality, no shrinkage casting defects of castings; the technology product yield of the casting greatly increases.
利用凝固过程自补缩,可使铸件表面质量好,无缩孔、缩松等铸造缺陷,工艺出品率大大提高。
Using self-feeding in solidification can make good surface quality, no shrinkage casting defects of castings; the technology product yield of the casting greatly increases.
利用凝固过程自补缩,可使铸件表面质量好,无缩孔、缩松等铸造缺陷,工艺出品率大大提高。
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