得出了天然硅灰石制备硅溶胶工艺属首创，能够利用天然资源，成本低，经济效益好的结论。
The preparative process of silica sol with natural wollastonite belonged to first origination, Natural resource was used, low cost and good economic benefit were obtained.
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.
本厂采用全硅溶胶失腊精密铸造工艺。
This factory USES the entire silicon sol to lose the sacrificial precision casting craft.
经过反复的工艺试验及一年多批量生产验证，成功地将熔融石英应用于精铸用低温蜡—硅溶胶型壳生产中。
By repeating technological tests and batch production tests for over a year, the fused silica was successfully used in the production of silica sol shell for low temperature wax precision casting.
通过与硅酸乙酯水解液粘结剂的比较表明，以硅溶胶作为透气性金属陶瓷材料的粘结剂，其材料的制造工艺简单、强度较高、透气性较好。
The results of the test have shown that the operating technology for colloidal silicate binding is comparatively simple and the strength and gas permeability of the mold are comparatively good.
介绍硅溶胶涂料的配制过程及复合制壳工艺，对使用结果作了简要分析。
Preparation process of colloidal silica coating and compound shell making technology are introduced. In addition, the application results has been analyzed briefly.
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.
研究了硅溶胶涂料的流变性和工艺性及其影响因素；
The Rheological and technological properties of colloidal silica sol sllurry and the influencing factors were studied.
探讨硅溶胶型壳制壳工艺中几个主要问题，以求提高工艺技术水平和铸件质量。
Several important problems related to ceramic shell used silica sol as binder were studied in order to raise technical level of the shell making and improve quality of the castings.
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.
采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
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