Lower Cooling Time, Reduced Airborne Silica

Lower Cooling Time, Reduced Airborne Silica

In-line, pre-blast systems clean castings with gating and sprue intact, lowering cooling time and reducing airborne silica levels at the degating / despruing and sorting operations.

After in-line sand shakeout and cooling

After in-line sand shakeout and cooling, castings are delivered to the machine via an inclined belt and shaker load conveyor.


In-line pre-blast systems offered by Wheelabrator clean castings with gating and sprue intact, lowering cooling time and reducing airborne silica levels at the degating / despruing and sorting operations. Plant cleanliness improves too, because sand is captured in one location before the castings are conveyed to multiple batch or continuous machines for final cleaning. Wheelabrator Pre-Blast Systems include Vibra-Tunnel machines and continuous Rocker Barrels.

Pre-Blast machines are equipped with EZEFIT® blast wheels for faster cleaning cycles and better durability. They are ideal for use in foundries, including iron and brass foundries, for sand removal.

The Continuous Rocker Barrel machine is designed for high-performance in-line cleaning. To satisfy production requirements ranging from less than 5 to over 25 tons/hr, a variety of machine sizes are available with blast capacities to match specific cleaning requirements.

After in-line sand shakeout and cooling, castings are delivered to the machine via an inclined belt and shaker load conveyor. Adjustable rocking motion ensures different shaped castings can be tumbled satisfactorily. A separate mechanism sets the adjustable decline angle to control the flow of castings through the machine. The controls allow both manual and automatic selection of the work conveyor parameters to compensate for changes in part configurations and cleaning requirements. The combination of a variable-decline angle and rocking angle for the work conveyor barrel provides a high degree of control for effective blast coverage.

TAGS: Shakeout
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