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1·The casting is cast in furan sand mould.

采用呋喃树脂砂型铸造。

2·The corrosion resistance of L401 alloys wire by OCC is higher 26% in comparison with that by sand mould.

热型连铸L401线材耐蚀性优于砂型铸造线材，耐蚀性提高26%。

3·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。

4·Thus we got a conclusion that increasing the velocity of pressing can increasing the hardness of sand mould surface.

得出的结轮是提高压头压下速度能提高砂型表面硬度。

5·The conclusions are employed in cold-setting furan resin sand mould (core) in production of cylinder block of heavy marine diesel engine.

所得结果在呋喃树脂自硬砂型（芯）大型船用柴油机缸体铸铁件生产中得到验证和应用。

6·Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.

采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。

7·The surface defects formation mechanism of steel castings produced with resin-coated zircon sand mould was described, and their prevention measures were discussed.

论述了锆砂覆膜砂铸钢件表面缺陷的形成机制，就该缺陷的防治措施进行了探讨。

8·The quality problems which may be met when using furan sand mould to produce large nodular iron crankshaft with heavy section and the measures to solve the problems were described.

介绍用呋喃树脂自硬砂型生产大型球铁曲轴时遇到的质量问题以及工艺对策。

9·The surface quality of huge bore valves has been improved by changing the matches of molding sand, and increasing the hardness of sand mould and controlling the quality of the coal ash.

通过改进型砂配方，提高砂型紧实度和煤粉质量，是提高大口径阀门铸件表面质量的有效途径。

10·Discussing various influence factors of ductile iron's surface blowhole defects indicates that bringing various gases in the molten metal or on the interface with the sand mould is inevitable.

对影响球墨铸铁件皮下气孔的各种因素分析表明，铁液中气体的产生有其必然性，通过减少气体的发生量以防止皮下气孔的方法并不是都能奏效。

砂型

1·Thus we got a conclusion that increasing the velocity of pressing can increasing the hardness of sand mould surface.

得出的结轮是提高压头压下速度能提高砂型表面硬度。