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Removal of Dispersed Shrinkage for Castings with Green Molding Sand Process
Author(s): 
Pages: 33-35
Year: Issue:  3
Journal: Foundry Engineering

Keyword:  湿型砂碳烧损缩松;
Abstract: 采用黏土湿型砂射压造型生产线,铸件存在缩松和硬度过高的缺陷.从浇注温度、冒口颈和碳当量对铸件缺陷的影响进行了分析,发现铁水高温保温时间过长造成碳烧损是引起铸件缺陷的主要原因.为减少铁水的碳烧损,随其保温时间延长添加增碳剂,铸件缩松和过硬的缺陷彻底消除,从而保证了铸件质量.
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