摘要
对矿用柱窝的裂纹产生的原因进行了分析,采取了严格控制化学成分、改进铸造工艺和热处理工艺3种措施,开裂问题得到了解决。
The crack of mine pillar nest was analyzed. Three measures are taken,by taking strict control of chemical composition, improving the casting process and heat treatment process. The cracking problem has been resolved.
出处
《煤矿机械》
2015年第7期235-236,共2页
Coal Mine Machinery
关键词
柱窝
裂纹
失效分析
pillar nest
cracking
failure analysis