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.

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高昆工业有限公司本公司创立于西元1978年，至今已逾三十年，本公司专业生产壳模砂心机和壳模砂心铸造。

High-Kun Industry Co. , Ltd. The company was founded in 1978, has more than three decades, the company specializes in producing shell mold sand brains and heart sand casting shell mold.

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前言： 针对EPS 陶瓷壳型精铸失模时容易裂壳的现象，对EPS消失模精密铸造工艺进行了研究。

Respecting the cracking phenomenon of ceramic shell, the pattern removing technique of EPS mold was investigated.

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