Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
呋喃树脂砂用于铝合金铸造时，特别是对于一些大型、薄壁铝合金铸件，型芯的溃散性较差。
Suitable for metallic and sand casting, also for cold chamber casting;
适用于金属型、砂型铸造，也可冷室压铸。
Result of testing shows that proPerty of sand casting bushing is unsatisfactory and that of vacuum casting bushing is better, which can be used to replace the pressed bushing.
试验结果表明，砂型铸造铜套性能较差，而真空吸铸铜套性能较好，可以替代卷制铜套。
When low alloy steel replaced carbon steel castings, a series of questions were uncovered in traditional sand casting process.
铸钢材质升级为低合金钢后，传统的砂型铸造工艺在生产中暴露出了一系列问题。
The results show that the compound modification can greatly improve the mechanical properties of the alloy, which can satisfy the demand of A357 alloy sand casting.
结果表明，采用复合变质法可大大提高A357合金的力学性能，处理后其能满足该合金砂型铸造的使用要求。
Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
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.
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。
When used in the sand casting of resin, it can strengthen the adhesion, improve profile sand strength and antiwetting property.
树脂砂铸造中，增强树脂硅砂的粘合性，提高型砂强度及抗湿性。
The objective of sand reclamation is make good casting, not to reclaim sand to a given level of cleanliness.
砂再生的目的是用再生砂生产出好铸件，而不是将砂再生到指定的干净程度。
Sand mixtures of cores for small hydraulic valves casting were reviewed. Design of hot boxes and equipments for production of coated sand cores were described.
综合评价了小型液压阀体铸件型芯的芯砂材料，介绍了覆膜砂热芯盒设计特点以及覆膜砂制芯设备等。
In the mix of sand or sand core casting equipment, sand mixing machine generally has the following functions: the old sand, new sand, sand bonding agent and auxiliary materials mixed evenly.
用在混制型砂或芯砂的铸造设备，混砂机一般具有下列功能：将旧砂﹑新砂﹑型砂黏结剂和辅料混合均匀。
According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.
按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。
The processes of sand casting are discussed in this section, including patterns, sprues and runners, design considerations, and casting allowance.
本节讨论砂型铸造工艺，包括型模、浇注口、浇道、设计考虑因素及铸造余量。
Mold material of rapid sand casting is one of important factor for realizing rapid sand casting.
快速砂型铸造用模具材料，是实现快速砂型铸造的重要因素。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
This standard is applicable to carbon steel castings of sand casting and casting mold casting which owns equivalent thermal conduction with sand mold.
本标准适用于在砂型铸造或导热性与砂型相当铸型铸造的一般工程用铸造碳钢件。
Simulation results show that grain size is smaller for metal mold casting, but larger for sand mold casting, which is in good agreement with the experimental results.
模拟结果表明，金属型铸造晶粒尺寸较小，砂型铸造的较大。模拟结果与金相观察结果相符。
The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example is analyzed.
同时，以柴油机缸盖砂芯和铸件为例，分析了硬脂酸钙与砂芯和铸件品质的关系。
One method to make casting sand mold directly from the bozzetto (mud draft) of the sculpture is introduced.
介绍一种在雕塑泥稿外直接制作铸造砂型的方法。
Besides, it also can be used as the foundry sand in precision casting and the raw materials of ceramic and resin bonded abrasives as well as coated abrasives.
精密铸造用型砂；在磨具中经常用作陶瓷、树脂固结磨具和涂附磨具的原料。
Batch production shows there are no shrinkage cavity and porosity in casting, and no blowholes and sand inclusions on the top surface. The yield of the casting is 81%.
经批量生产验证，铸件内无缩孔、缩松缺陷，上表面无渣孔、气孔缺陷，工艺出品率81%。
Casting quality and rejection rate are remarkably affected by the quality and property of molding sand, in the process of clay sand green mold casting.
在粘土砂湿型铸造中，型砂质量和性能对铸件质量、废品率有明显的影响。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
A comparative test between green sand mold casting method and resin sand-coated iron mold casting method was conducted.
介绍了球铁刹车盘的不同铸造工艺，对粘土砂湿型铸造工艺和覆砂铁型铸造工艺进行了试验对比。
The effect of metalceramic shell interface reactions on surfaceroughness and the defects of burn on sand in investment casting are discussed in this paper.
讨论金属与型壳界面作用对精铸件表面粗糙度和粘砂缺陷的影响。
The results showed that the process is reasonable and feasible, and the product defects appearing in sand casting are removed.
结果表明，该工艺合理可行，解决了该产品普通铸造中的铸造缺陷问题。
The key basic technology in full mould casting process includes: material and formation of pattern, coating, vibratory fill of moulding sand as well as molten metal filling.
实型铸造法的关键基础技术包括：模样的材料及成形、涂料、型砂的振动充填、金属液的充填。
The use of vibration and impact to the mold casting equipment in separation of molding sand and casting.
利用振动和冲击使铸型中的型砂和铸件分离的铸造设备。
The use of vibration and impact to the mold casting equipment in separation of molding sand and casting.
利用振动和冲击使铸型中的型砂和铸件分离的铸造设备。
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