该研究通过试验模型测量局部加压过程中金属型、铸件和加压杆的温度变化曲线,分析了传热与凝固现象。
The heat transfer and solidification change are analyzed by measuring the temperature change curves of metal mold, casting and pressurized bar in experimental model during local pressurization.
本文分析了铸件浸渗技术的作用原理。
In this paper, the action principle of the technology is analysed.
通过理论分析比较并通过生产实践得出,对于铸件工艺出品率,正方形或正六边形截面的直浇道优于圆形截面的直浇道。
The sprue with square or hexagonal section is superior to the sprue with round section for technological yield of the casting by theoretical analysis and actual verification.
依据振动时效机理,应用模态分析技术,提出一种盘类铸件振动时效工艺参数优化设计的新方法。
The new method of the re-engineering VSR parameters of circle plate casting is figured out based on the modal Analysis technology.
以硅溶胶型壳熔模精密铸造的工艺过程分析为基础,提出了铸件成本和价格的计算方法。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell investment casting process.
作者通过对铸造过程中浇注系统的分析和研究,发现影响铸件质量的主要因素是浇注过程中浇口杯的液位。
The writer analyzed and studied the pouring system, found the key factor which influence the casts' quality is the fluid-station in the pouring cup.
实验结果和可靠性分析表明:短时超载将导致开口铸件的强度可靠性严重下降。
The experiment results and reliability analysis stated: the short-time over - load would be make the strength reliability of open casting decrease seriously.
计算机的应用已扩展到必要的铸件固化分析。
The use of computer has expanded for solidification analysis necessary for casting designs.
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.
基于温度场分析结果的铸件缩孔缩松预测可以优化铸造工艺设计。
Based on calculated temperature distribution in the casting, the prediction of shrinkage defects can be achieved, which can be used as a tool to optimize the design of foundry technology.
采用人工智能技术,建立了一个基于知识的航空铝镁铸件缺陷分析智能专家系统。
A knowledge_based intelligent expert system of defect analysis of navigational aluminum_magnesium casting is developed by using artificial intelligence technology.
本文就提高汽车齿轮箱铝合金压铸件使用寿命,进行了失效分析。
According to the enhancing service life of aluminum alloy die-casting part of the automobile gear box, carried on the failure analysis.
分析了我国汽车工业的现状和特点,对国内铸件市场进行了研究。
The current situation and the features of Chinese automotive sector were analyzed in this paper.
研究了间接挤压铸件中冷夹层的形成过程及机理,给出了冷夹层形貌的微观分析结果。
The mechanism and course of cold sandwich formed in indirect squeeze cast, and the microanalysis of the form and appearance of cold sandwich were studied.
同时,分析了摇臂铸件在生产过程中常见的缺陷,并提出了改进措施。
Common defects during the rocker arm production were analyzed and some measurement was suggested.
在对锡青铜离心轴套铸件的喇叭形气孔形貌进行分析的基础上,归纳出喇叭形气孔的形成机理。
Investigation on the loudspeaker shaped gas hole morphology in tin bronze sleeves cast by centrifugal casting have been carried out by optical and scanning electron microscope observation.
验证了数值模拟分析在铸件形成中的良好作用。
The excellent effect of numerical simulation analysis is proved in actual casting production.
对D114柴油机缸体、缸盖铸件冶金质量进行了分析。
The metallurgical quality of cylinder block and head of D114 diesel engine was analyzed.
分析了消失模铸造的铸件出现白色缺陷的原因,并根据生产实际提出了一些有效的预防措施。
Analyzes the reason of the white defects appearing in the lost pattern casting and puts for - ward some effective preventive measures referenced with the production reality.
同时,以柴油机缸盖砂芯和铸件为例,分析了硬脂酸钙与砂芯和铸件品质的关系。
The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example is analyzed.
对消失模铸造的铸件出现白色缺陷的原因进行了详细分析,并根据生产实际提出了一些有效的预防措施。
Detailed analysis is done to the causes of while defects in lost wax casting. Some effective precautionary measures are proposed based on practical production.
在分析铸件工艺性的基础上,确定了模具分型面,论述了模具工作原理。
On the basis of analyzing pressing parts processing characters, die-casting die parting surface is defined, die-casting die working principle is stated.
确定了铸件成分、熔炼工艺,对材料的力学性能和金相组织进行了测试和简要分析。
The composition of casting melting process was determined through experiments mechanical properties and structure of the material was tested examined and analyzed.
分析了铝合金端盖压铸件结构工艺性特点,介绍了压铸模的浇注系统及模具结构设计。
The structural characteristics of aluminum alloy cover was analyzed, and the design of pouring system and die-casting die structure were introduced.
采用热分析法对铁水质量进行检测和控制,对提高铸件质量具有重要的意义。
Using thermal analysis to detect and control molten iron quality is more important to enhance cast quality.
分析了机架底板铸件凝固补缩过程。
The solidification period of housing backplane casting has been analyzed.
通过对产生锡汗缺陷的锡青铜铸件的显微组织和实际生产过程分析讨论了锡汗产生的原因,并探讨了较为经济实用的氧化去氢法消除锡汗的有效性。
Through analyzing the actual producing process and microstructure of the Sn-bronze castings with thedefect of stannic sweat, the cause resulting in the defect in the castings has been discussed.
通过对铸件凝固过程分析证明了该方法的正确性。
This method has been proved to be correct by analyzing the process of cast condensation.
结合生产实际介绍了消失模铸造的一些技术要点,并分析了常见的铸件缺陷。
Important points about EPC are introduced, and the defects of castings are analyzed in this paper.
以杆状铸件变形实验结果为依据,分析了铸造变形机制;
Based on the experimental result of bar shape casting, the deformation mechanic of castings was analyzed.
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