砂型是铸造生产过程中中用原砂、黏结剂及其他辅料做成的铸件型腔。
本文研究了在普通砂型条件下，低频振动使铁碳合金凝固组织的影响。
Effect of low freqency vibration on solidified behavior of ferro-carbon alloy was inspected in sand-mold Casting.
当湿型不能满足要求时再考虑使用粘土砂表干砂型、干砂型或其它砂型。
When wet type can not meet the requirement to consider using clay sand table dry sand, dry sand mold or other.
配重铁一般按造型方法来分类，习惯上分为普通砂型配重铁和特种配重铁。
The counterweight iron classifies generally according to the modelling method, in the custom divides into the ordinary sand mold counterweight iron and the special counterweight iron.
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