论文部分内容阅读
射芯工艺用于制造有一定湿强度的砂芯时,经常出现砂芯硬度低(即射不紧)这一致命缺陷。为解决这一问题,本文从射砂口选择方面作了一些探讨。
Shooting core technology used to create a certain wet strength of the sand core, the sand core hardness often low (ie shot not tight) this fatal flaw. In order to solve this problem, this article made some discussions on the choice of shooting sand mouth.