1000WN挖泥泵高铬叶轮铸造过程质量控制  

Casting Process Quality Control of Dredge Pump High Chromium Impeller

作　　者：张静慧[1] ZHANG Jing-hui(Shijiazhuang Industrial Pump Factory Co.,Ltd.,Shijiazhuang Hebei 050100,China)

机构地区：[1]石家庄工业泵厂有限公司,河北石家庄050100

出　　处：《铸造设备与工艺》2020年第1期23-25,共3页Foundry Equipment & Technology

摘　　要：介绍了1000WN挖泥泵高铬叶轮的铸造过程。通过对叶轮铸造工艺设计与模拟分析,制定出了合理的铸造工艺;利用发热冒口进行高效能补缩,结合合理的退火、淬火工艺,严格生产过程质量控制,防止缩松、裂纹缺陷的产生,成功生产出了φ2500 mm,10.5 t的高铬叶轮。为大型挖泥泵高铬叶轮的国产化制造提供借鉴。This paper introduces the casting process design and production process control of high chromium impeller of dredge pump.The simulation analysis of the casting process shows that the high efficiency of the heating riser can prevent shrinkage defects.And the reasonable annealing,quenching process was designed to prevent the generation of crack defects.Through strict process control,theφ2500 mm and 10.5 t high chromium impeller was successfully produced,which provides experience and reference for the domestic manufacture of high chromium impeller of large dredge pump.

关 键 词：挖泥泵叶轮 铸造工艺模拟 高铬铸铁 发热冒口 缩松 裂纹 热处理 

分 类 号：TG245[金属学及工艺—铸造]