介绍了球铁件锥形冒口的原理和设计方法。
The principle and design of tapered feeder for ductile iron castings were introduced.
白口和反白口缺陷是球铁件转向节的常见缺陷。
Both the chill and reverse chill are defects often found in the nodular iron knucle castings.
由于球铁的收缩大于膨胀，球铁件铸造必需外部补缩。
Since contraction of nodular iron is bigger than its expansion nodular iron castings must be fed from outside to prevent shrinkage defect.
分析了汽轮机厚断面球铁件轴承座的设计特点、铸造技术和超声波探伤。
The design characteristics, foundry technology and ultrasonic test method of heavy section ductile iron bearings for steam turbines was described and analyzed.
无铸造有害元素，特别适合大型球铁件、风电铸件和铸钢件的稳定生产。
No foundry harmful elements, especially suitable for stable production of big nodular iron castings, wind power castings and steel castings.
该球化剂应用于高炉冷却壁，轧辊等关键球铁件上可提高抗拉强度和伸长率。
The properties of cores in the casts are enhanced when using this nodulizer in the key ductile iron casts, such as cooling wall of blast furnace and roller.
研究表明，以莫来石或高岭石为主晶相的铝硅系耐火材料是精铸球铁件的理想选择。
Study has proved that ceramic shell making by Al-Si system refractory materials with main crystal of Mollite or Kaolinite will be the ideal choice for investment casting ductile iron.
本公司主要生产各种灰铁件、球铁件、铸钢件、高猛钢件等各种建筑、工程机械用零部件。
Our products: Various gray iron, ductile iron, common cast steel, low-alloy steel, high manganese steel, etc various parts of architectural and mechanical engineering.
比较五种冒口工艺方案，采用边暗冒口工艺生产球铁件转动环，提高了铸件质量和经济效益。
By comparison of five kinds of riser, the paper recomends the casting process design of side-blind riser which can assure the casting quality and reduce the casting cost.
根据浇冒口设计理论和生产经验，开发了中小型球铁件压力冒口和控制压力冒口工艺设计程序，并进行了实际生产应用。
Based on risering and gating theories and practical experience, a computer program used to design pressure risering and pressure control risering system was developed.
通过实验研究，用甲苯磺酸作催化剂的呋喃树脂自硬砂与稀土镁作催化剂生产的球铁件，通常在其铸件表层出现异常组织。
The abnormal structure usually appears at the surface layer of nodular iron castings produced by furan-sulfonic acid cured sand mold.
本文从理论上分析了针孔形成的机理，讨论了影响灰铁及球铁件针孔形成的各种因素，并指出了防止针孔形成的工艺措施。
In this paper, the formation mechanism of pinholes in gray and ductile iron and the factors influencing their formation are discussed as well as a preventive measure is suggested.
奥贝球铁能够实现高硬度的同时具有较高的韧性，适用于一定冲击条件下耐磨零件的工作要求。
ADI can realize the performance of both high hardness and toughness, satisfying the requirements of wear-resistant parts under impact condition.
阐述了造纸磨浆盘磨机易损零件—磨盘的磨损机理，性能要求，耐磨球铁材质的选用；介绍了生产过程和产品质量控制的方法。
Elaborates millstones wearing mechanism, performance requirement and material selection for vulnerable of pulp millstones and introduces production process and quality control.
通过分析不同成分球铁磨球零件性能和金相组织，对金属型磨球的非平衡凝固特性进行了较深入的研究。
The non-equilibrium crystallizing processes of the metal mould nodular iron ball were investigated through analyzing the properties and microstructures of the nodular iron grinding ball.
通过分析不同成分球铁磨球零件性能和金相组织，对金属型磨球的非平衡凝固特性进行了较深入的研究。
The non-equilibrium crystallizing processes of the metal mould nodular iron ball were investigated through analyzing the properties and microstructures of the nodular iron grinding ball.
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