砂型铸件

结果表明，与砂型铸件相比，消失模法生产的铸件尺寸精度及质量提高，工艺出品率提高到65%以上。

Results showed that compared with sand casting castings , dimension precision and quality of lost pattern castings can be improved and rate of finished products can be increased up to65percent .

随着新的铸造工艺的不断出现，未来砂型铸件的产量可能会有所减少，但是专家断言，绝大部分铸件依然要靠砂型工艺进行生产。

Although sand casting production may decrease with new casting technologies emerging , it is asserted that the vast majority of castings would have to be produced by sand casting technology .

湿砂型铸件上表面夹砂的形成机理

Forming Mechanism of Scab on Upper Surface by Green Mold

对ZA&27合金砂型铸件产生底面收缩（底缩）进行了试验研究。

The underside shrinkage in ZA-27 alloy sand mold castings has been studied .

砂型铸件尺寸精度的研究

Investigation of the Size Precision of Sand Moulding Castings

金属型铸件抗拉强度高于砂型铸件抗拉强度，但塑性略低于砂型铸件。

The tensile strength of metal castings is higher than that of sand castings .

铝-硅合金砂型铸件改为压铸生产的工艺改进

Process improvements on Al-Si alloy casting produced by die-casting instead of sand mold casting

砂型铸件上可能发现下列哪种缺陷？

Which of the following is a discontinuity which might be found in sand castings ?

镁合金石墨砂型铸件表面氧化膜的组成与结构

Constituent and Structure of Surface Oxidation Film of Mg Alloy Casting in ory Graphite silica Sand Mold

通过浇注不同结构的砂型铸件探讨了铸件针孔度、疏松与合金含气量间的相互关系。

The paper also has discussed the relationship between the gases content in the alloy , the pinhole-grades and the porosity by pouring the sand castings with different structures .

用旋转喷氩气精炼铝熔体，并正确选用工艺参数，能使高强度优质铝合金砂型铸件的力学性能达到标准的规定。

Using refine by revolving argon-blow with proper technology parameters enables mechanical property of sand molded castings of high strength Al alloy to reach the level required by the standard .

为提高砂型铸件尺寸精度，对铸件尺寸精度的评定方法、影响因素及预测做了研究。

With a purpose of improving the size precision of sand moulding casting , the evaluating method , influencing factors and predication of casting size precision are investigated in this paper .

热处理之后，金属型铸件室温性能高于砂型铸件，而高温环境对金属型铸件的性能影响更大。

After heat treatment , the properties of metal castings at room temperature is better than that of sand castings . And high temperature circumstance has greater effect on the properties of metal castings .

砂型条件下铸件凝固过程热裂形成的流变学探讨

Rheological Discussion on Formation of Hot Cracking During Solidification

紧实度均匀、能抵抗金属液体冲击的合格砂型是保证铸件质量的关键因素之一。

The green sand mold with even density and proof of the impact of liquid metal is one of the critical factors in the production of quality casting .

采用CellularAutomaton微观模型，并与宏观的传热计算相结合，对砂型铸造铝合金铸件的凝固组织形成进行了模拟。

Microstructure simulation of aluminum alloy casting was carried out by cellular automaton model .

试论砂型铸造模具对铸件精确度的影响

Influence of Sand Casting Pattern on Casting Accuracy Degree

砂型铸造铜铝合金铸件生产商。

Sand Casting Manufacturer for Bronze & Aluminum Alloy .

树脂砂型（芯）铸件脉纹缺陷的防止

The Measures To Prevent Veining Defects from Iron Casting Produced by Resin Sand Molds or Cores

一种新型双势和周期势模型的构造及其精确解试论砂型铸造模具对铸件精确度的影响

Exact solution for new kind of double-well potential and periodic potential Influence of Sand Casting Pattern on Casting Accuracy Degree