浇不足是焦炉炉门铸件常见铸造缺陷。
Misrun is the common defects found in oven door castings process.
铸造缺陷,尤其是铸造缩松,降低了曲轴的疲劳强度。
Casting defects, especially porosity, will reduce fatigue strength of the crank-shaft.
对生产实践中出现的一些铸造缺陷及对策进行了论述。
The forming processing, pouring and some defects as well as countermeasures during production were paid attention to.
树脂砂铸铁工艺在解决铸造缺陷方面的先进工艺技术。
Advanced technology of avoiding deficiencies in iron casting with resin sand.
分析了金属型铸造铝合金摩托车减震筒铸造缺陷的产生原因。
Origination of casting defects in aluminum alloy motorcycle damping cylinder in metal mould casting was analyzed.
辙叉内部的铸造缺陷主要是沿晶界析出的非金属夹杂物和缩松。
The casting defects in the railway frog were mainly the nonmetal inclusions and the shrinkage.
众所周知,在铸造生产中,热裂纹是一种极容易产生的铸造缺陷。
It is known that the heat crack is the most common casting defects in foundry production.
试制后得到的支架铸件表面光洁,未出现欠铸、冷隔等铸造缺陷。
It was found that surface of the castings is good and defects such as misrun or cold lap were not found.
结果表明,该工艺合理可行,解决了该产品普通铸造中的铸造缺陷问题。
The results showed that the process is reasonable and feasible, and the product defects appearing in sand casting are removed.
结果表明,马氏体时效钢铸件热处理后强度较高,受制于其内部铸造缺陷。
It was shown that the maraging steel cast exhibited a higher strength, which was controlled by the casting defects in it.
通过金相及电镜断口分析,确定箱体失效系铸造缺陷和几何截面差过大所致。
Failure of cast aluminium alloy box was analysed by metallographic and fractographic analysis, and cast defect and variation of cross section thickness were identified as main causes of failure.
生产结果表明,铸件没有气孔、夹砂、夹渣、收缩等铸造缺陷,铸件品质稳定。
The result shows that there are no casting defects, such as shrinkages, blowholes, and slag inclusions and the quality of casting is steady.
用合适的孕育剂进行孕育是消除铸件铸造缺陷和改善铸件切削性能的重要措施。
The influence of sulphur content on inoculation efficiency and the fading resistance of the inoculant No.
只有将这两种分析结合起来并计算准确,才有可能准确地预测出潜在的铸造缺陷。
Only when both analyses are accurate is it possible to correctly foretell the possible defect area.
方法:对328件铸钛义齿进行回顾性总结,并对其发生的铸造缺陷进行统计分析。
Methods: 328 casting of titanium dentures were studied by x-rays statistically analysed.
通过模拟结果的分析,预测其铸造缺陷,进而改进铸造工艺,达到工艺优化的目的。
According to the simulated results, the casting defects were predicted, then the casting process was improved to achieve the aim of technical optimization.
对铸铁熔炼、球化处理及铸造缺陷的防止等方面提出了控制措施,并应用于实际生产。
Iron smelting and spheroidizing, casting defects prevention should be controlled effectively. Finally, the paper discusses how to apply it to the actual production.
就铸造缺陷的成因及如何采取措施防止铸造缺陷的产生,提高铸件质量作简单的分析。
This paper has analyzed the causes of foundry defects and proposed the ways to prevent foundry defects so as to improve the quality of castings.
厚实板类铸件按传统工艺生产,容易产生缩孔、缩凹、缩松、夹砂、胀包等铸造缺陷。
The shrinkage cavity, depression, shrinkage porosity, scab and swell defects often took place with the heavy plate castings produced by adopting traditional foundry method.
实践证明:该法铸造成本较低、操作简单,且铸件壁厚均匀、变形量小、铸造缺陷较少。
It is practically verified that this method exhibited less expense, easy operation, cast wall with uniform thickness, deformation decrease and cast defects reduction.
相反,普通连续铸造锭表面因存在振动痕和亚表面偏析等铸造缺陷,力学性能大大降低。
On the contrary, the surface imperfections, such as oscillation and subsurface segregation etc, found in DCC ingot, cause the mechanical properties drop largely.
在铸造过程中容易产生各种铸造缺陷,如晶粒粗大、缩孔缩松、开裂、组织和成份偏析等。
It is liable to produce various casting defects, such as coarse grain, shrinkage cavity, shrinkage porosity, hot tearing, microstructure segregation and solute segregation.
大型厚断面球墨铸铁件在铸造过程中极易产生缩孔、缩松、石墨漂浮及球化衰退等铸造缺陷。
Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity, graphite floating and spheroidizing decay.
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.
在铸造生产中可以促进铸件的方向性凝固,防止粘砂、夹砂等铸造缺陷和改善铸件表面粗糙度。
When using in moulding sand, it can promote oriental solidification of castings and prevent burn-on and sand inclusion of castings, and improve roughness of castings.
研究了激光熔覆工艺参数和Y2O3含量对航空发动机叶片铸造缺陷激光熔覆开裂敏感性的影响。
Effects of laser cladding parameters and content of Y2O3 on thermal crack sensibility of aeroengine blade with cast defect were studied.
简要分析了396系列大功率高速柴油机下曲轴箱体铝铸件原铸造工艺引起铸件铸造缺陷的原因。
The cause of casting defects of large aluminum low crankcase of 396 series large diesel engine is analyzed in brief and the new casting process and its Outlines are discussed in detail.
简要分析了396系列大功率高速柴油机下曲轴箱体铝铸件原铸造工艺引起铸件铸造缺陷的原因。
The cause of casting defects of large aluminum low crankcase of 396 series large diesel engine is analyzed in brief and the new casting process and its Outlines are discussed in detail.
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