Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
锡焊件、铅锡合金、锌压铸件、铍青铜、磷铜等合金在电镀前也常用预镀铜来改善结合力。
The defects of casting technology and the impurities in copper alloy material cause roughness of faucet surface with large amounts of sand holes.
铸造技术不完善、铜合金原料中的杂质致使水龙头零件表面疏松，并有大量砂眼。
To solve the problems of massive work and low efficiency during Casting Rolling processes design, an expert system for Casting Rolling process design of copper alloy tubes had been developed.
针对铸轧工艺设计工作量大、效率低的问题，进行了“铜合金管材铸轧工艺专家系统”软件的开发。
The invention relates to a solid copper alloy bearing cage mold casting produced by centrifugal casting, and belongs to the machining field.
本发明涉及一种离心铸造生产实体铜合金轴承保持架成型铸件，属于机械加工领域。
The results show that the copper alloy density by permanent-mold casting attains 99.91% of theory density.
结果表明：经金属型铸造的铜合金密度达到理论密度的99 91%。
The mold casting is characterized in that the solid copper alloy bearing cage mold casting is produced by a special centrifugal casting mold.
采用专用离心铸造模具生产实体铜合金轴承保持架成型铸件。
The invention provides a copper mould suction casting preparation device of an iron-based bulk amorphous alloy toroidal magnetic core and a method therefore.
本发明是一种铁基块体非晶合金环形磁芯的铜模吸铸制备装置及其方法。
The special slot is adopted in the rotor of the induction machine with compound cage rotor and there is two materials of casting aluminum and copper iron alloy in the slot.
复合笼条转子感应电动机转子采用特殊的槽形，且槽中含有铸铝和铜铁合金两种材料。
Vacuum smelting company, Special casting for the feature, the product of high pure copper casting, high strength, high conductivity copper alloy and wear-resistant copper-based alloys.
公司主要以真空冶炼、特种铸造为特色，产品以高纯铜铸件和高强度、高导电铜合金及耐磨铜合金为主。
The experimental results show that the water-based coating is applied to lost foam casting of the carbon steel and copper zinc alloy, and has lower lost, higher practicability and better...
试验表明，该涂料可用于消失模铸造铜锌合金件、碳钢件，而且成本低廉，实用性强，具有良好的推广价值。
It mainly produces each kind of stainless steel, the carbon steel and the copper alloy casting.
它主要生产各类不锈钢、碳钢及铜合金铸件。
Ringy amorphous alloy Fe36Co36B20Si4Nb4 is obtained by the method of copper mould suction casting.
采用铜模吸铸法，制备出管状非晶态合金Fe36Co36B20Si4Nb4。
Ringy amorphous alloy Fe36Co36B20Si4Nb4 is obtained by the method of copper mould suction casting.
采用铜模吸铸法，制备出管状非晶态合金Fe36Co36B20Si4Nb4。
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