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铸钢工程车桥壳消失模铸造
EPC Cast Steel Engineering Axle Shell
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- DOI:
- 作者:
- 张复文 童容英 栾新华
ZHANG Fuwen;TONG Rongying;LUAN Xinhua
- 作者单位:
- 分宜九一机械制造有限公司
Fenyi Jiuyi Machinery Manufacturing Co.,Ltd.,Fenyi County,Xinyu 336600,China
- 关键词:
- STMMA 消失模铸造 桥壳 底漏钢包
STMMA EPC casting bridge shell bottom leakage of ladle
- 摘要:
- 基于消失模铸造工艺特点,结合铸钢重载工程车桥壳的特殊技术要求,采用消失模铸造工艺生产了重载工程车桥壳。结果表明,采用改进铸造工艺、STMMA珠粒白模+烧空浇注、防裂环、底漏钢包+吹氩气浇注、框架支撑+精细操作等一系列有效措施,成功生产了重载工程车桥壳,解决了增碳,开裂,夹杂渗漏,变形等缺陷。同时,浇注过程中的高频振动细化了铸件晶粒。
Based on the characteristics of EPC process,combined with the special technical requirements of heavy duty cast-steel engineering axle shell,the heavy duty engineering axle shell was produced by EPC process.The results show that a series of effective measures,such as improved casting process,STMMA bead molding+empty casting,anti-crack ring,bottom leakage ladle+blowing argon casting,frame support+fine operation,the heavy-load engineering axle shell have been successfully produced,and the defects such as carbonization,cracking,inclusion leakage and deformation are solved.At the same time,the high frequency vibration during the casting process refined the casting grains.