This paper analyzes the causes of turbine blade foundry defects and their preventions.
本文分析了水轮机组叶片铸造缺陷的产生原因和防止措施,水轮机组不锈钢叶片铸造裂纹的形成是由于铸造热应力和组织应力过大,超过材料的抗拉强度,通过对铸态下的金相组织分析,找出了水轮机叶片铸造与热处理缺陷产生的原因,并提出了改进措施。
The 16m3 skim-bob feeding system from traditional way may cause sone foundry defects, such as : dirt inclusion, air hole, etc.
用传统方法设计计算16m~3渣包的浇注系统,有时会存在夹渣、气孔等铸造缺陷,而且铸件清整工作量大。
Casting Defects and Its Counter-measures on Motorcycle Damping Cylinder;
摩托车减震筒铸造缺陷及预防措施
According to the simulation results,the origin of casting defects and hot spots was found,and the process could be optimized and improved by modifying the processing parameters.
利用基于MAGMAsoft的铸造CAE技术,对阀盖铸件的热节部位,冒口的补缩能力等进行数值模拟,根据模拟结果,找出原工艺热节和铸造缺陷产生的原因,并通反复修改工艺参数对原工艺进行优化改进,得到较为理想的工艺方案。
Analyzed the major reason of side frame casting defects.
分析了侧架的结构特点,找出了该产品铸造缺陷产生的主要原因,通过改变浇注系统的位置、表面刷涂料、放冷铁以及局部使用铬铁矿砂等工艺措施,提高了侧架的铸造生产合格率。
Study on a Expert System for Analysis of Casting Defect;
铸造缺陷分析专家系统的研究
The effect of casting defect such as microporosity and the inclusions in the process of crack initiation,crack propagation and fracture was analyzed.
系统研究了L114A合金疲劳损伤特征,分析疏松、夹杂物等铸造缺陷在疲劳裂纹的形核、裂纹的扩展以及瞬断中所起的作用,表明铸造过程中形成的铸造缺陷数量、尺寸、位置对金属的疲劳性能都有不同程度的影响。
Iron smelting and spheroidizing,casting defects prevention should be controlled effectively.
根据球墨铸铁的基体组织、石墨形态、机械性能与化学成分的关系,对化学成分进行了设计选择;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。
a clock guaranteed for one year against mechanical failure or faulty workmanship
对机械故障或制造缺陷有一年保修的钟.
The Defeats Analysis of Machine Tool Structural Elements Made of Steel-fiber Polymer Concrete
钢纤维聚合物混凝土机床基础件制造缺陷分析
Correlation Between Geometric Factors of Composite Components and Manufacturing Defects
复合材料结构几何要素与制造缺陷的关联分析
Effect Rules of Complex Structure on Manufacturing Defects for Composites in Autoclave Molding
热压罐成型复合材料复杂结构对制造缺陷的影响规律
Application of FMEA in Eliminating Flaw Source of a Manufactory;
FMEA在清除某制造厂缺陷源中的应用
The makers have called in some cars with dangerous faults.
汽车制造商收回了一些有危险缺陷的汽车。
The maker has recalled the computers because of faulty wiring.
由于电源线缺陷,制造商召会了有问题的电脑.
The Shortcomings &the Reform of the Civil Administrative Inspection System;
民事行政检察监督制度的缺陷及其改造
Techniques of Checking and Modifying STL Datum Errors in Rapid Prototype Manufacture;
快速成型制造中STL文件缺陷检测与修复技术
DISCUSSION ABOUT THE UABILITY OF DAMAGE CAUSED BY THE DEFECTS OF MANDATORY STANDARDS;
关于强制性标准缺陷造成损害责任认定的讨论
Lacuna Position Sensor System of TIG Welding Rapid Prototyping Metallic Object
TIG焊快速制造金属体缺陷定位传感系统
These defects appear during crystal growth, but crystals having such defects are not considered usable for IC manufacture and are discarded.
这些缺陷在晶体生长时出现，有这类缺陷的晶体不能用于集成电路制造，应报废。
The System Limitation and Reconstruction of China Monetary Policy Transmission;
当前我国货币政策传导机制的体制缺陷及其再造
Dr. Wu inserted a gene that creates a faulty enzyme in protein metabolism.
吴博士插入一种基因 它在蛋白质新陈代谢中... 制造单一缺陷的酵素
Deficiencies and Improved Methods of ERP Systems in CG Machinery Manufacture Enterprise
CG机械制造企业ERP系统实施的缺陷与改进方法研究
The Current Stage and Development Trend of Forging Technology and Defect Control for Heavy Forging
大型锻件锻造工艺及缺陷控制技术的研究现状及发展趋势
Control of Casting Defects for Medium Carbon and Low Alloy Heavy Steel Ingot Produced by Slag Steel
用渣钢铁生产大断面中碳低合金钢铸锭的铸造缺陷控制
stuck-on particle
粘附尘埃(玻璃制品缺陷)