大型铸件

介绍了振动时效工艺及其在大型铸件中的应用。

The application of vibrational aging for massive casting and its process are introduced . 〔

复杂型腔大型铸件树脂模样的制作

Manufacture of Plastic Pattern of Large Casting with Complex Mold Cavity

大型铸件凝固进程的数字模拟

The Digital Computer Simulation of the Solidification Front of Large Castings

②超大型铸件不变形、不凹陷、无麻点；

Super casting no distortion , no hollow and no spot ;

大型铸件凝固计算中的潜热处理方法

Treatment of latent heat in calculations for solidification of heavy castings

水电站转轮超大型铸件研制

Developing of Super Large Casting of Rotator in Hydropower Station

它用于大型铸件的制备。

It 's used for the production of large castings .

大型铸件局部浸渗工艺及设备的研究

Study of Equipment and Process of Large-Type Casting Impregnating Partly

大型铸件的泄漏补救处理

The remedial method of dealing with the leakage of large cast product

大型铸件浇注系统的水力学模拟及计算机辅助设计

Hydraulic Simulation and CAD of Gating System for Heavy Casting

大型铸件浇注温度场控制

Controlling Temperature Field of large Castings during Mould Filling

大型铸件用保护渣的分析研究

The study on the mould flux for heavy casting

适合中、大型铸件，避免撞伤。

For medium-and large-sized castings , avoid collision .

大型铸件成形过程数值模拟及工艺优化

Numerical Simulation and Process Optimization of Large Castings

大型铸件有效浇注时间的计算

Calculation of Effective Puring Time for Heavy Castings

大型铸件焊接修复工艺分析研究

Study on the Large-scale Casting Welding Repair Technique

超声波检测大型铸件时，应制定严格的检测工艺并加以控制。

During ultrasonic testing heavy castings , the procedure must be severely prepared and controlled .

用上述材料生产大型铸件需要进行严格的质量控制。

Stringent quality control is essential in the production of large castings in the above materials .

大型铸件工作台的生产

Production of Large Casting Worktable

大型铸件的熔模铸造工艺探讨

Large Castings in Investment Casting

本文介绍用有限差分法数字模拟大型铸件凝固进程的方法和编制通用源程序的特点。

A generalized program based on finite difference method is proposed for simulating the solidification front of large castings .

大型铸件在重型机械中广泛应用，对它的质量控制有极其重要的意义。

The large-scale casting is widely applied to the heavy machine manufacture , it has the extremely vital significance to control its quality .

采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。

In this paper a macro-cracking in the medium casing which is a heavy section casting of 261 turbogenerator was investigated by SEM , EDAX and others .

得出了120制动鼓铸件残余应力大小及分布规律，为设计汽车制动鼓及大型铸件制造工艺提供了依据。

The sizes and distribution of residual stresses in 120 brake drum are useful to design brake drum of the automobiles and select manufacture craft of large castings .

而对于一些大型铸件，更是需要使用柔性测量臂、龙门坐标测量仪等大型设备才能完成检测任务。

However , for the measurement of big or huge castings , flexible measuring arm , Gantry three-coordinate measuring machine or some other large measuring equipment are must be used .

用工程湍流模式计算大型铸件充型凝固过程三维速度场、温度场时，对提高模拟计算精度和效率进行了探讨。

When calculating 3-D velocity and temperature fields of mould filling and solidification process by turbulent model for large castings , increasing accuracy and efficiency of numerical calculation were investigated .

作者在PC/XT上实现的程序可以把大型铸件凝固过程仿真的结果以三维立体图形式显示，铸件的尺寸和角度可变，生成时间仅为数十秒。

The graphic program developed on PC / XT by the authors can quickly display 3D temperature field simulating solidification on a heavy cast of mill housing within 30 seconds .

大型复杂铸件CAD/CAE工程优化实践

Carrying out CAD & CAE Engineering Optimized on Large-scaled Complex Castings

大型断裂铸件的胶螺修复技术

The adhesive - bolt repair method of large-size rupture cast

大型铜铸件表面质量的研究

The Study on the Surface Quality of Large Copper Casting