Chinese Lost Foam Technology Developing Rapidly
A unique set of circumstances have allowed the lost foam process to find a strong niche in the Chinese casting market.
ZENGMIN LI, HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY, FULL MOLD CASTING COMMITTEE OF CHINA FOUNDRY ASSOCIATION, SHIJIAZHUANG, HEBEI, AND GUANGZE LIANG, FULL MOLD CASTING COMMITTEE OF CHINA FOUNDRY ASSOCIATION, SHANGHAI
中国消失模铸造的发展过程与前景
摘要:分析了中国实型铸造和消失模铸造47年发展的历程,论述了近20年中国消失模铸造技 术国产化发展的轨迹,探讨了目前中国实型铸造和消失模铸造技术、生产发展的现状,介绍了 部分企业实型铸造和消失模铸造生产设备、生产线发展现状。从原辅材料、模具制造、设备及 生产线制造,到铸造工艺、生产控制和铸件后处理等全部工艺环节,已经形成了中国特色的实 型铸造和消失模铸造的技术和生产模式,为消失模铸造技术的发展做出了贡献。
李增民1
no binder is used in the sand mold. China’s lost foam cast- ing segment developed 47 years ago and has progressed rapidly in the past decade due to the reform and opening up of the country.
T
Year 年份 Yield 产量
FMC 0.2
Year 年份 Yield 产量
2003 14.06 FMC 3.68 EPC 10.38 FMC10.5 Early Development
In 1965, China’s Academy of Machinery Science, along with the First Machine Ministry and Shanghai Institute of Machinery Manufacturing Technology, began research- ing the FMC process. In 1966, the Academy of Machin- ery Science, Beijing Casting & Forging Co., and Beijing Institute of Chemical Industry composed the Beijing FMC Research Team. In October 1965, the Shanghai Institute of Machinery Manufacturing Technology and Shanghai Heavy Machinery Plant, began researching and applying FMC. By 1967, the Shanghai Heavy Machinery Plant began
producing steel castings, and the Shanghai Paper Machinery Factory began producing iron castings via FMC. In 1970 and 1974, China successfully produced steel castings weigh- ing 52 metric tons and iron castings weighing 32.5 tons. In
Table 1. FMC/EPC Production in China (10,000 tons) 表1 中国近20年FM(EPC)产量(万吨)
1991 0.23
EPC 0.03 FMC 0.8
2005 32.1
EPC 21.6
1995 1.52
EPC 0.72 FMC 1.6
2007 64.8
FMC 26.6 EPC37.2
1999 5.6
EPC 4 FMC 2.7
2009 76
FMC 33.3 EPC 42.7 36 |
FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION Spring 2012
2001 9.5
EPC 6.8 ,梁光泽2 (1 中国铸造协会实型铸造分会,河北科技大学,河北石家庄;2中国铸造协会实型铸造分会,上海)
he Chinese lost foam casting industry is broken down into two segments: full mold casting (FMC), where the sand mold contains binder, and expendable pattern casting (EPC), where
消
失模铸造(Lost Foam Casting)有“实型 铸造”(FM-Full Mold Casting,砂型含
粘结剂)和“干砂真空造型铸造”(EPC-Expandable Pattern Casting, 砂型无粘结剂)两种类型,而在中国通 常习惯把砂型含粘结剂的消失模铸造方法称为“实型铸 造”,把砂型无粘结剂的干砂真空造型铸造方法称为“ 消失模铸造”。中国是消失模铸造技术研究发展较早、 进步较快的国家之一,已有47年的历史。引起我国铸造 界所关注、获得较快发展,是在改革开放后和1988年中 国铸造协会消失模铸造专业委员会成立后的24年,尤其 是近10年取得了显著的进步。
1 我国实型/消失模铸造的发展过程
1965年一机部机械科学研究院和上海市机械制造工 艺研究所开始对实型铸造进行研究。1966年一机部机 械科学研究院、北京市铸锻公司和北京化工研究院等单 位,组成北京市实型铸造攻关小组,1965年10月上海 市机械制造工艺研究所、上海重型机器厂等单位陆续对 实型铸造进行研究和应用。1967年和1971年上海重型 机器厂投入铸钢件生产,上海造纸机械厂投入铸铁件生 产;1970年和1974年浇注成功52t铸钢件和重32.5t铸铁
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