surface quality of the casting

Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.

冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。

Crystal instrument is the key part of plane casting, the structure affects directly the surface quality of drawing material.

结晶器是水平连铸工艺中的关键工装部件，其结构直接影响拉拔管材的表面质量。

Fluid flow in the mould must be optimized in order to improve the internal and surface quality of the slabs while increasing the casting speed.

在拉速提高的条件下，必须优化结晶器内流场以适应稳定生产的需要，防止气孔、拉漏等铸坯缺陷的产生。