摘要
本文试验研究了树脂砂型离心铸管工艺中覆砂层厚度与铸管表面质量间的关系，及覆砂层表面质量与铸管表面粘砂间的关系。
The retationships between the quality of coating layer and adhering sand onpipe's surface anc between the thickness of coating layer and the quality of pipe's surface are studed in this paper.
关键词
覆砂层质量
粘砂
树脂砂型
离心铸造
铸铁管
coating layer,quality,resin bonded sand,adhering sand,centrifugal castpipe
