By analyzing welding effect of test bars, guide rails, oil cylinder s and crankshafts, the results show the casting defect repair machine is feasible in repairing sand holes and dispersed shrinkage of castings.
通过对试棒焊补效果的显微分析及对机床导轨、油缸、曲轴修复结果的检验和分析，表明铸造缺陷修补机在修补铸铁材质零件的砂眼、缩松方面是可行的；修补后铸件无裂纹、无硬点、无明显分界线。
For the defect of the plated reason, we need control on the polishing step, for the tiny crack, sand hole, material lost and so on we can control on the Casting Step, for the O-ring seal, assembly and process dimension, I can find a good way to solve the issues.
装配过程中出现的密封件配合问题，工艺尺寸设计的合理性等都有有效的解决方案。
Keywords V-process; Medium or small steel casting; Facial membrane technology; Oxidation defect
V法铸造；中、小型铸钢件；面膜工艺；氧化缺陷
3D model was built by Pro/E software on piston parts. And mold filing solidification numerical stimulation of piston casting was analyzed by using ProCAST software. Foundry defects such as shrinkage, porosity and the position of defect may be producted by judging the critical solid phase rate, and comparing with the actual test result.
本文利用Pro/E设计软件对活塞铸件进行了三维建模；并成功应用ProCAST软件对活塞铸件充型凝固数值模拟进行了分析，采用临界固相率法进行判断，预测出可能产生的缩孔、缩松等铸造缺陷及产生缺陷的部位，并与实际试验结果进行了对比。
The main cause produced shape defect, such as rhomboidity, bulge, longitudinal pit, etc, on 150mm×150mm cintinuous casting billet of Laiwu iron and steel general works is nonhomogeneous cooling of mould and secondary cooling area.
莱钢炼钢厂150mm×150mm连铸坯产生菱变、鼓肚和纵向凹陷等形状缺陷的主要原因是结晶器及二冷区的不均匀冷却。
It is suggested that these mirrors were ground as a convex front due to prevent from defect of casting.
这样磨削加工的结果，就形成了镜面凸起的实际效果。
At last, the reduction algorithms are used to the prediction of continous casting slab defect.
最后，本文将得到的约简算法应用于连铸板坯缺陷预报，取得了良好的效果。
These figures play an important role in eliminating this defect and improving casting quality of ductile cast iron.
通过化学成分、工艺参数对石墨漂浮缺陷的仿真图形分析，论述了球铁生产中各因素对石墨漂浮的影响作用及原因，这对消除石墨漂浮和提高球铁铸件质量具有积极作用。
The layout of this kind of structure can also be applied to construct expert systems for other kind of casting defect analysis.
该系统共由五个模块组成，包括铸件缺陷分析过程中的缺陷识别、缺陷原因分析及改进建议等主要内容。
Seven casting defect types and a total of 56 standard casting defect images corresponding to 8 grades of each type are analyzed.
分析了8个等级的7类铸造缺陷共56幅标准铸造缺陷图像。
The relation between the existing foundry technology and casting defect about QC4110 diesel engine bent axis is analyzed.
分析了QC4110柴油机曲轴现行铸造工艺与铸件缺陷的关系，设计了一个新的铸造工艺方案，实施后收到了良好的效果
From the angle of systematic analysis the casting defect s are regarded as systematic faults and are diagnosed and forecasted by the fault tree analysis method.
从系统分析角度，将铸件视为系统故障，进行铸件缺陷预报和诊断的FTA分析。
On the basis of analyzing primary process and structure of gray iron braking plate, hydrodynamic software Flow-3D was used to simulate the distribution of defect and temperature field in different improved casting systems. According to the simulated results, the merits and faults of all programmers were investigated and the feasible casting system was determined.
在对早期失效刹车盘原始成型工艺和组织进行分析的基础上，利用流体动力学软件Flow-3D对所设计的改进浇注系统进行充型缺陷和温度场分布的数值模拟，并根据模拟结果分析了各浇注方案的优缺点，确定了该产品较合理的铸造工艺方案。
Further more, an improved scheme was proposed according to the characteristics of fluid flow in Lost Foam Process. The simulation and pouring test results show that the shrinkage defect at the top of the sheathing board casting could be eliminated by using top gating system.
根据干砂消失模铸造充型过程特点，提出了改进方案，数值模拟结果及浇注实验结果表明，采用顶注式浇冒口系统可以消除铸件顶部的集中缩孔缺陷，证明了模拟软件的正确性。
This paper presents a non-destructive detection of defects near the table detection method - eddy current testing, and successfully applied in surface treatment have been carried out the casting surface defect detection, defect detection in recent tables provide a way.
本文提出一种检测近表缺陷的无损检测方法--涡流检测，并成功应用在已进行表面处理的铸件表面缺陷的检测，对近表缺陷的检测提供一种方法。
The forming mechanism of cold shut defect on 5052 alloy stock during the casting was described.
阐述了5052合金铸轧坯料生产时冷隔缺陷产生的机理，结合超型FATA—HUNTERΦ1003×1850mm机多年的生产实践经验，提出了消除铸轧冷隔缺陷的措施。
Based on these, from the angle of systematical analysis, casting defect s were regarede as systematical faults, diagnosed and forecasted by the method of microcomputer aided analysis in fault trees.
在开发微机辅助失效树分析软件的基础上，从系统分析角度，将液压件铸件缺陷视为系统故障，进行铸件缺陷的预报和诊断。
In order to create effective feeding passage, the structure of casting was modified by changing the location of strengthening ribs at the bottom. Inserting copper billet at suitable location of the die was a valid way to create suitable solidification sequence that is beneficial to the feeding. Using these techniques, shrinkage defect was completely eliminated at the critical location.
在不影响铸件使用性能的前提下改变加强筋位置，建立补缩通道，有效地对关键部位进行了补缩；在模具相应部位嵌入传热系数较大的铜块，改变不合理的凝固顺序，使铸件中形成了有利于补缩的凝固顺序。
Study on a Expert System for Analysis of Casting Defect; 2. 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。
The white spot defect is an abnormal structure generally found in large cast iron cylinder sleeve by centrifugal casting.
白斑是离心铸造厚壁铸铁缸套的一种异常组织。