目的 ：用间接法制作铸造桩核熔模。
介绍了防止熔模铸件变形的几种措施。
Some countermeasures of preventing the deformation of castings in investment casting were expounded.
铸造方法包括熔模静铸及熔模离心铸造。
The casting methods include investment static casting and centrifugal casting.
目的研究不同熔模材料对铸造嵌体精度的影响。
Objective To compare the effect of different pattern materials on the cast accuracy of MOD inlay.
对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。
Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted.
现代熔模精密铸造方法在工业生产中得到实际应用是在二十世纪四十年代。
Modern Investment Casting methods in industrial production in the practical application of the twentieth century in the 1940s.
介绍用石蜡-硬脂酸低温模料制作熔模，用硅溶胶作粘结剂制造模壳的工艺。
The technical requirements for the lost pattern made from the paraffin-stearin and the shell mould made from colloidal silica in the precision casting were introduced.
采用熔模、陶瓷型铸造工艺来制造小型水轮机叶片和水斗是一种最佳的选择。
Investment cast and ceram cast are best technology for the fabrication blade and bucket of small turbine.
结果表明型壳的质量和强度得到了提高，成功的生产出了大壳体熔模精密铸件。
The result shows the qualities and strength of the shell are improved, and big-shell investment casting is produced successfully in investment casting.
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.
对熔模精密铸造高韧度球墨铸铁小件的生产，从工艺分析到生产过程的控制进行阐述。
The production of light nodular graphite iron parts with high ductility in investment casting was expounded in all aspects including both technological analysis and processing control.
研究了在熔模精密铸造中过滤净化碳钢、低合金钢和高合金钢等铸钢件的过滤新技术。
A new filtration technique for purification of carbon, stainless, high speed, low and high alloy steel castings in investment casting was investigated.
以硅溶胶型壳熔模精密铸造的工艺过程分析为基础，提出了铸件成本和价格的计算方法。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell investment casting process.
石英砂型芯是采用熔模精密铸造的常用材料，通过特定的制芯工艺制成的一种铸造用型芯。
Quartz sand core, which is made in accordance with a special core making technique of casting, is one of common materials used in Investment casting.
根据熔模铸件表面麻点内夹杂物的成分组成，对其来源进行了分析，并提出了相应的解决措施。
The origin of inclusions in rough sport disfigurement on the surface of investment castings was analyzed and the corresponding solutions were given according to the composition of inclusions.
前言：简述了“九龙鼎”的制作过程，详细介绍了用熔模石膏型铸造大型鼎身的工艺及要点。
This paper introduces the process of making "nine dragon" tripod vessel and describes the technology and key for casting the body by lost wax pattern plaster mold process in detail.
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.
详细分析了不锈钢熔模铸件夹砂（起皮）产生的原因，并提出了防止不锈钢铸件夹砂（起皮）的一系列措施。
The text detaily analyzes the cause of scab of stainless steel steel melt wax casting and proposes some measures to avoid it.
开发研究了一种用于钛合金熔模精铸型壳面层的新型LJ8型粘结剂；叙述了用该粘结剂制备型壳的工艺过程。
LJ8 new binder for primary slurry in titanium investment casting has been developed and the ceramic shell process using the binder was described.
较高的口模和熔体温度是减少口模出口应力的一种方法。
Higher die and melt temperatures are one way to reduce die-exit stress.
解决方法要么是减少口模出口应力，要么是减少组分从熔体中分离的倾向。
Solutions are either to reduce die-exit stress or to reduce the tendency for components to separate from the melt.
从确定真正的熔体温度开始，然后按照这个温度设定口模体的温度。
Start by determining the true melt temperature and set the die body to that temperature.
熔体在模腔里冷却，硬化，直至完全固化。然后将模子打开，推出工件，并重复以上工序。
Here, the melt cools and hardens until fully set-up. The mold is then opened, the piece ejected, and the sequence repeated.
结果表明，不同角度圆锥口模挤出过程中，熔体在收敛流道受到拉伸流变，导致强烈的入口弹性效应，表现出熔体在不同角度圆锥口模挤出时有不同的挤出胀大比。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
加工窗口分析、它零件的模流分析，检查熔体温度、具温度、塑压力和充填时间。
Process window analysis, another part of mold flow analysis, examines melt temperature, mold temperature, injection pressure, and fill times.
利用光散射测量方法研究了短圆管挤出模头中聚合物熔体取向行为对螺杆轴向振动的响应。
The response of the polymer melt behavior of orientation for axial vibration of screw in short pipe extrusion die head was studied by the light scattering technology.
利用光散射测量方法研究了短圆管挤出模头中聚合物熔体取向行为对螺杆轴向振动的响应。
The response of the polymer melt behavior of orientation for axial vibration of screw in short pipe extrusion die head was studied by the light scattering technology.
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