Vacuum Drying Cleaning Systems
This device is designed to clean thermo discs that tend to coalesce and adhere when exposed to heat-treating oils. The cleaning process involves the use of trichloroethylene (TCE) as a degreasing agent. Upon applying a vacuum, the TCE solvent is vaporized from the discs and subsequently recovered for reuse. Post-cleaning, the chamber contains less than 25 parts per million (PPM) of residual TCE. Measurements taken from the lid area indicate TCE concentrations below 5 PPM, which is compliant with OSHA occupational exposure standards.
This system employs rotational movement due to its vapor degreasing functionality. It is generally advised to utilize soak cleaning using the VCN process combined with ultrasonic agitation, where applicable, to mitigate potential damage. Nonetheless, the components are highly durable, and vapor cleaning alone proved to be effective.
When components facilitate solvent entrapment within internal pockets, rotation mechanisms are employed to mitigate this issue. Rotating the components prior to the drying process evacuates solvent from these pockets, thereby ensuring thorough vacuum drying. The depicted system features four independent rotation chambers designed for handling small batch quantities.