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大型轧机轴承座的铸造工艺改进
Improvement of Casting Process of Bearing Pedestal for Large Rolling Mill
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- DOI:
- 作者:
- 梁敏 周璟 王助龙 魏长锁
LIANG Min;ZHOU Jing;WANG Zhulong;WEI Changsuo
- 作者单位:
- 洛阳中重铸锻有限责任公司 中信重工机械股份有限公司 河南省大型铸锻件工程技术研究中心
Luoyang CITIC Casting and Forging Co., Ltd., Luoyang 471003, China;CITIC Heavy Industries Co., Ltd., Luoyang 471003, China;Henan Province Heavy Casting & Forging Technology Center, Luoyang 471003, China
- 关键词:
- 轴承座 铸造工艺 数值模拟 工艺改进
bearing casting process numerical simulation process improvement
- 摘要:
- 针对轴承座铸件冒口间的缩松缺陷,采用集中补缩的工艺措施将分散小冒口改为单独大冒口,并利用MAGMA软件进行凝固模拟分析,生产了优质的轴承座铸件。经生产验证,改进后的冒口工艺不仅消除了铸件的缩松缺陷,而且铸件质量稳定。Aiming at the shrinkage defects between risers of bearing housing casting, the scattered small risers are replaced by single large ones by adopting the technique of centralized feeding. Furthermore, the MAGMA software was used for solidification simulation to produce high quality bearing block castings. Through production verification, the improved riser process not only eliminates the shrinkage defect of casting, but also casting quality is stable.