Dry sand molding without binder is one of the main characteristics of the expendable pattern casting, and the casting quality is directly connected with the filling and compacting quality.

• 用没有粘结剂的干砂造型是消失模铸造的特点之一，而干砂的充填和紧实的质量直接影响铸件的质量，因此性能良好的造型振动台是消失模铸造的关键设备。