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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。
- nodule iron cast 球墨铸铁
- 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。
- 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;
- 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。
- heavy gray and nodular iron castings 大型灰铁及球铁件
- heavy section nodular iron casting 大断面球铁件
- heavy-wall nodular iron castings 厚壁球铁件
- Keywords orthogonal experiment;nodular iron cast pipe;cored wire;nodulizing treatment; 关键词正交试验;球铁铸管;包芯线;球化处理;
- nodular iron cast 球墨铸铁
- 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;
- The oil sump of engine matching for tractor adopts the iron cast structure, can meet the requirement of frameless tractor. 采用高强度铸铁油底壳结构，整机刚性强、变形小，满足拖拉机无架式结构的配套需要。
- The compound roll is centrifugally cast with high Cr cast iron as outer material, and nodular iron as thematerial of its core and neck. 采用电磁半连续复合铸造法制成芯轴为45钢的高钒高速钢和高铬铸铁两种复合轧辊,对复合界面的组织和性能进行了研究。
- The cast nodular iron camshaft can substitute the forged alloy steel by laser surface hardening, in this way, profits can be raised. 采用激光表面改性处理球墨铸铁凸轮轴;达到以铸代锻的目的;提高经济效益.
- Casting include ductile iron casting and gray iron casting. 灰口铸铁,球墨铸铁各种牌号的铸件
