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- The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed. 对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
- The large quantity of nodular iron castings had back bridge housing are produced by using copula and handcraft molding. 通过合理熔炼、造型、制芯及铸造工艺参数,采用冲天炉熔炼,手工造型制芯,实现批量生产优质带包类桥壳球铁件。
- The abnormal structure usually appears at the surface layer of nodular iron castings produced by furan-sulfonic acid cured sand mold. 本实验研究查明,当用甲苯磺酸作催化剂的呋喃树脂自硬砂生产稀土镁球铁件时,通常在其铸件表层出现异常组织。
- In order to ensure high nodularity of nodular iron castings,it is necessary to reduce the sul phur content of the base iron. 为保证球铁件稳定获得高球化率,要求降低原铁液的含硫量。
- Sometimes,cementite could be found in the hot spots or the last solidifying location of the RE-Mg nodular iron castings. 铸态稀土镁球铁铸件热节或最后凝固部位有时会出现渗碳体,因而被称为“反白口”。
- Machine tool castings, pump castings and other castings with high quality produced by No-bake sand process; gray iron castings, nodular iron castings, non-ferrous alloy castings and Ferro-silicon alloy. 主要是以树脂砂工艺生产出的优质机床类,泵类等铸件、灰铁铸件、球铁铸件和有色合金铸件及硅铁合金。
- One case indicated the influence of the casting quality of the knock-off type specimen on the quality judging veracity of nodular iron castings. 实例之一是说明敲落式球铁试块的铸造质量对判断球铁铸件质量准确度的影响;
- heavy gray and nodular iron castings 大型灰铁及球铁件
- heavy-wall nodular iron castings 厚壁球铁件
- Production of As-Cast High Toughness Nodular Iron Castings with Cupola Melting 冲天炉熔炼生产铸态高韧性球墨铸铁
- Using Cored Wire Injection Process to Produce Heavy Nodular Iron Castings 用喂线法工艺生产厚大球墨铸铁件
- Keywords thin wall nodular iron castings;inoculation;nodularization;measures; 薄壁球铁件;孕育;球化;措施;
- heavy section nodular iron casting 大断面球铁件
- Solidification Simulation Used for Defect Forecast of Automobile Nodular Iron Castings and Influencing Factors 汽车球铁铸件凝固模拟缺陷判断的研究
- Keywords Wire feeding process;Thin-wall nodular iron castings;Inoculation;Nodularization treatment;RE; 喂线技术;薄壁球铁件;球化处理;孕育处理;稀土;
- The common foundry methods for nodular iron castings with medium/ small size and their design were introduced including:process characteristics o f nodular iron; 介绍日本中、小球墨铸铁件的常用工艺以及设计方法,包括:球墨铸铁的工艺特点;
- How is timing controlled to prevent nodular iron fade? 如何控制球铁孕育时间?防止石墨退化?
- Basic graphite morphology types of nodular iron were introduced. 介绍球墨铸铁中石墨的基本形态类型。
- Township Enterprises Coke products, mainly of iron castings. 乡镇企业产品以焦炭、铁铸件为主。
- heavy nodular iron castings 厚大球墨铸铁件
