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气冲造型线回用旧覆膜砂的生产实践

Productive Practice of Reclaiming Returned Resin-Coated Sand on Air-Impact Molding Line
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摘要 对采用覆膜砂回用砂混制湿型粘土砂的生产实践进行了介绍,包括砂处理流程、原材料的选用、砂温控制、混制工艺及在线检测等方面的控制要点;指出:采用恰当的加料顺序和混碾时间,并进行在线检测是保证湿型粘土砂质量稳定,进而使与型砂相关的铸件表面缺陷率降低的重要措施。 The productive practice of using returned phenol resin coated sand to prepare green molding sand was introduced including the sand treating flow and the essential control points in the aspects of raw materials choice, sand temperature control, sand mixing process and on-line inspection, and so on. It was pointed out by the end that adopting proper materials adding sequence, proper mixing time and, as well as, conducting on-line inspection were the important measures to guarantee stable quality of green molding sand and thereby to reduce the molding sand-relevant surface defects rate of castings.
作者 谭博文
出处 《现代铸铁》 CAS 2012年第3期45-47,共3页 Modern Cast Iron
关键词 气冲造型 覆膜砂回用砂 湿型砂 air-impact molding returned phenol resin coated sand green molding sand
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  • 1李传拭.粘土湿型砂的控制要点[J].中国铸造协会铸造行业系列会议--粘土湿型砂专题研讨会沧文集[c].北京:中闰铸造协会,2007:7-15.
  • 2向青春,吴云,李荣德.型砂性能检测及控制发展现状[A].2007中国铸造活动周论文集[C].沈阳:中阔铸造学会.2007:583-587.

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