The rotary screen is to screen the distin-tegrated sand and disengages binding sand.
The machine is made of punching cylinder with wearproof iron plate and net with stainless steel made. The punching cylinder of two-layer screen type can disengage binding sand and inclusions.
The wear of screen is little as the revolving type. As the metal screen is closed and powder and dust never fly away, it is easy to be maintained.