A sand slinger is a type of machine used for filling and uniform ramming of sand in molds, and is particularly adopted with advantage of large molds. This machine consists of a heavy base, a bin or hopper to carry sand, a bucket elevator to which a heavy number of buckets and a swinging arm are attached, which carries a conveyor belt and the sand impeller head.
Sand slinger fill the flask uniformly with sand under high pressure stream throwing the sand with high speed by impeller.
References
Sand slinger Wikipedia(Text) CC BY-SA