• 砂型铸件可能发现下列哪种缺陷?

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

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  • 结果表明砂型铸件相比消失法生产铸件尺寸精度质量提高,工艺出品提高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.

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  • 随着新的铸造工艺不断出现,未来砂型铸件产量可能会有所减少但是专家断言绝大部分铸件依然砂型工艺进行生产

    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.

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  • 塑料模具一般简易冲压模具的首选材料适用汽车其它工业部门各种砂型金属铸件

    Prime materials for the plastic injection moulds and general pressing moulds, also suitable for making diverse sand and metallic casting components for the auto and other industrial sector purposes.

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  • 砂型浇注时,凝固期间铸件表面温度接近中心温度,形状无关

    The outer surface temperature of the sand casting approximates its center temperature in the solidification period and it is independent of the casting shape.

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  • 异形铸件可用砂型铸造金属铸造。

    We can also adopt sand shell moulding or metal mold casting as for allotype castings.

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  • 紧实度均匀、能抵抗金属液体冲击合格砂型保证铸件质量关键因素之一

    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.

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  • 用途适用砂型成型铸件车间炼钢炼铁炉衬修补以及建筑场所混凝土捣固作业。

    Application:Used for sand casting mould workshop, repairing the lining of steel making furnace and impacting the con crete on building.

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  • 由于型号弹上产品壳体铸件砂型铸造生产不能满足要求项目通过采用低压铸造工艺方法提高铸件产品内部质量

    Since the sand shell modeling production of the hull casting cannot meet the needs required, this project adopts low-pressure foundry techniques to improve the internal quantity of products.

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  • 特大型不锈钢阀体熔模精密铸造砂型铸造比较,最大的问题铸件凝固控制

    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.

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  • 介绍了一种树脂砂型专用低压铸造设备适用优质大型薄壁铝合金铸件生产

    A low pressure casting equipment has been developed, which is specially designed for the production of large-size thin-walled high-quality aluminum alloy parts with resin sand molds.

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  • 主要从事铸件出口业务铸铁锻造,精密铸造砂型铸造。

    Handling casting business, cast iron, cast steel, Die-Alumminum, cast bronze, forgings, investment casting, sand casting and so on.

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  • 通过改进型砂配方,提高砂型紧实度煤粉质量提高口径阀门铸件表面质量有效途径。

    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.

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  • 铸件树脂砂型研制新型水基浅色涂料

    The new water-based mold coating for resin-bonded sand mold and core for aluminium castings has been developed.

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  • 工作能力比较适用大、中型铸件砂型的捣固。

    It is working capacity is comparatively large and is used for tamping large and Middle sand mould castings.

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  • 中小型尺寸铸件砂型一个箱中制造砂型部分更多部分组成,以利于模型顺利取出

    Sand molds for the production of small and medium-sized castings are made in a molding box. The mold is made in two or more parts in order that the pattern may be removed.

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  • 中小型尺寸铸件砂型一个箱中制造砂型部分更多部分组成,以利于模型顺利取出

    Sand molds for the production of small and medium-sized castings are made in a molding box. The mold is made in two or more parts in order that the pattern may be removed.

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