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Aqueous ultrasonic system removes polishing media
A silverware manufacturer has replaced a trichloroethylene plant with an aqueous ultrasonic cleaning system and has seen productivity rise by 20%.
Carrs Silverware of Sheffield, the UK's premier silverware manufacturer, has replaced a trichloroethylene (trike) plant with an aqueous ultrasonic cleaning system from Kerry Ultrasonics and seen productivity rise by 20%.
The new machine is used to remove polishing compound from both sterling silver and silver plated cutlery and silverware.
Although the reclassification of trike as a potential carcinogen was one of the issues behind Carrs' switch to water-based cleaning technology, the propensity for hot solvent vapour to bake contaminant onto components was another deciding factor.
Kerry's five-stage aqueous MF525 features two separate ultrasonic cleaning stages.
Both rely on Mersol detergent, which is particularly effective at removing polishing compound.
The twin rinse stages - one in mains water, the other de-ionised - ensure that parts are free from contamination before any remaining moisture is eliminated by a hot air dry.
The increased productivity witnessed at Carrs is a result of the greater throughput delivered by the new Kerry unit.
This can in turn be attributed to the fact that the cleaning process is fully automated via an Autotrans Mk 4 robotic handling system.
Plating Shop Manager at Carrs, Mark Hunter, singled out Kerry's customer commitment as the clinching reason for his company's choice of cleaning system supplier.
"Kerry has always given us the help and support we needed with our other solvent plant", he explained, "and we encountered no major problems when commissioning our new machine".
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