Ultrasonic Mold-Cleaning Systems are designed to clean large molds and tooling. It accommodates the displacement that large tools create and removes oils and greases from the cleaning solution to extend detergent life. These systems are suited for cleaning inserts, cores and components. The cleaning system is said to eliminate as much as 70 to 80 percent of the labor time otherwise involved in a mold tear down and rebuild, while also improving molding performance and eliminating the need for hazardous solvents and mold rework costs. Microscopic scrubbing action is said to remove out gassing residues, release agents and grime from intricate, hard-to-reach areas such as details, ejector-pin holes and vent channels without abrasives that can damage the molding surface.