它用于大型铸件的制备。
大型铸件和表列。
研究了ZL205 A大型铸件成分和显微组织。
Compositions and microstructures of a large ZL205A casting were studied.
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.
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.
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.
研究了ZL114 A合金大型铸件熔化极气体保护焊(MIG)焊补区域的组织与性能。
Microstructure and properties of repaired welding area in large aluminum alloy ZL114A castings by MIG (Metal Inertia Gas) welding technology were studied.
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.
床身类铸件产品作为一种大型铸件必须要经过热处理才能提高本身的使用性能，改善铸铁铸件的内在质量。
As the large castins, lathe bed castings must be subjected to heat treatment in order to improve the performance itself, and improve the intrinsic quality of iron castings.
以大型、薄壁、复杂铝合金铸件为对象，叙述了复合铸型的制造和应用范例。
The compound mold manufacturing and application example suitable for large thin-walled complicated Al-alloy castings were described.
呋喃树脂砂用于铝合金铸造时，特别是对于一些大型、薄壁铝合金铸件，型芯的溃散性较差。
Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
设计了专用浸渗罐，摸索出了合适的浸渗工艺，成功地运用浸渗技术解决了大型薄壁铝铸件的渗漏问题。
By designing a special impregnating tank, this paper has found out the proper impregnating technology for solving leakage problem of large thin-wall aluminium alloy casings.
本文对于优质大型复杂薄壁铸件的生产具有重要的意义。
The works of this paper is of special importance on the production of large-size thin-wall castings of high-quality.
通过开设适当的出芯工艺孔，利用组合型芯，成功地设计出了大型、复杂、不规则熔模铸件模具。
The large, complex and irregular investment casting mold was successfully designed by property arrange technology hole for core cleaning and use combinative core.
本文叙述了采用金属面层陶瓷型壳工艺，研制大型薄壁壳体类钛合金精密铸件。
This paper describes the research and manufacture of titanium investment casting for large sized housing type structure of thin wall using the ceramic shell with metal face layer.
详细叙述了大型铸铁导轨缺陷的热焊补方法，从不同角度考虑选取了铸件的焊补工艺。
The hot welding repairing method of defects of heavy cast iron guides was described in de-tail.
无铸造有害元素，特别适合大型球铁件、风电铸件和铸钢件的稳定生产。
No foundry harmful elements, especially suitable for stable production of big nodular iron castings, wind power castings and steel castings.
例如同样是生产大型机床床身等铸件，一般采用组芯造型法，不制作模样和砂箱，在地坑中组芯；
For example is also a large machine tools such as casting production lathe bed, generally USES the method of cores modelling, don't make shape and sand box, in the pit of cores in;
本文利用大型有限元模拟软件ANSYS对大高径比柱形挤压铸件的温度场和应力场进行了数值模拟。
In this article, the large FEM software, ANSYS, was employed to simulate the temperature field and the pressure field.
采用本文所述技术，实现了对超大型铝合金铸件的焊修补，质量达到了产品技术要求。
This welding repair technique can be successfully used for salvage of large Al-alloy castings, the quality of which achieves the specification for design.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
介绍了一种树脂砂型专用的低压铸造设备，适用于优质大型薄壁铝合金铸件的生产。
A low pressure casting equipment has been developed, which is specially designed for the production of large-size thin-walled high-quality aluminum alloy parts with resin sand molds.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
详细叙述了大型铸铁导轨缺陷的热焊补方法，从不同角度考虑选取了铸件的焊补工艺。
The hot welding repairing method of defects of heavy cast iron guides was described in de-tail. Considering from different angles, the welding process was chosen.
以生产实践为基础，论述了大型船舶挂舵臂铸件(150t)生产过程中易产生的缺陷和防止措施。
Based on the productive practice, the deficiency produced in the production process of the large-scale pelagic ship rudder horn (150 tons) and preventive measure were studied.
以生产实践为基础，论述了大型船舶挂舵臂铸件(150t)生产过程中易产生的缺陷和防止措施。
Based on the productive practice, the deficiency produced in the production process of the large-scale pelagic ship rudder horn (150 tons) and preventive measure were studied.
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