It's used for the production of large castings.
它用于大型铸件的制备。
Stringent quality control is essential in the production of large castings in the above materials.
用上述材料生产大型铸件需要进行严格的质量控制。
The fast multipole method (FMM) was used with the boundary element method (BEM) to predict fractures in large castings.
将快速多极算法(FMM)应用到边界元法(BEM)中，对断裂力学问题进行大规模计算。
A generalized program based on finite difference method is proposed for simulating the solidification front of large castings.
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。
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.
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 compound mold manufacturing and application example suitable for large thin-walled complicated Al-alloy castings were described.
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。
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.
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。
Microstructure and properties of repaired welding area in large aluminum alloy ZL114A castings by MIG (Metal Inertia Gas) welding technology were studied.
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。
Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
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。
Solidification characteristics and microstructure of squeezing castings with large ratio of height to diameter have been investigated by numerical simulation and experiments.
铸件的凝固特性和组织直接影响铸件的力学性能，用计算机模拟和试验的方法研究了大高径比挤压铸件的凝固特性和凝固组织。
This welding repair technique can be successfully used for salvage of large Al-alloy castings, the quality of which achieves the specification for design.
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。
The works of this paper is of special importance on the production of large-size thin-wall castings of high-quality.
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 results indicated that the filling patterns of thin wall castings have large influence on the temperature distribution.
研究表明，薄壁件的充型形态对温度分布影响很大。
It is working capacity is comparatively large and is used for tamping large and Middle sand mould castings.
工作能力比较大，适用于大、中型铸件砂型的捣固。
It is working capacity is comparatively large and is used for tamping large and Middle sand mould castings.
工作能力比较大，适用于大、中型铸件砂型的捣固。
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