采用熔模铸造技术制备了仿古旅游工艺品———铜鼓。
Imitation antique bronze drum for tourism was produced by investment casting.
重点介绍了喷嘴的熔模铸造基本工艺过程和主要工艺参数。
The basic technical process and main processing parameter of investment casting nozzles are presented in detail.
介绍了石膏原材料的组成和性能，阐述了石膏型熔模铸造的工艺过程。
The composition and properties of plaster mould have been introduced, and the technological process and applied characteristics of plaster mould investment casting is discussed.
熔模铸造是生产精密铸件的一种先进工艺，硅溶胶是影响型壳质量的重要因素。
Investment casting is an advanced process to produce precision castings and colloidal silica is an important factor that affects the quality of shells.
给出了利用RP技术制造非金属原型的工艺流程，介绍了无模具熔模铸造箱体铸钢件的工艺过程。
The processing procedure of prototype making by rapid prototype and the production process of cast steel box without wax pattern in investment casting were described.
给出了利用RP技术制造非金属原型的工艺流程，介绍了无模具熔模铸造箱体铸钢件的工艺过程。
The processing procedure of prototype making by rapid prototype and the production process of cast steel box without wax pattern in investment casting were described.
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