Successful parts cleaning is dependent upon four inseparable variables: time, action/impingement, chemical/concentration, and temperature. These four variables are consistent of virtually all water-based cleaning applications, whether you are washing machined metal parts or your car or dishes at home. Changing any of these factors will increase or decrease the effectiveness of the process.
The amount of time the cleaning agent is exposed to soils is very important for efficient cleaning. If residue is not exposed long enough to the wash cycle, then soil removal may become more difficult. Time for rinse stages should be considered along with wash stages. Rinse cycles are used to remove any detergent and possible soil left remaining. If a rinse cycle is not long enough, there may be detergent residue left behind.
Action is the type of cleaning method that will be used. In spray washers, spray impingement is defined as the pressure and volume of the spray. The distance from the spray jet/nozzle to the part Is also an important factor. The closer the nozzle is to the part, the stronger the spray impingement. Ultrasonics also increase impingement in immersion systems.
Chemical and Concentration
Chemical and concentration are selected to remove a specific contaminant from a part without harming the material.
Cleaning efficacy increases as the water temperature increases, until top operating temperature of the chemical solution is reached.
Better Engineering has a complete Engineering Process Lab and Machine Demonstration Test Center to test and evaluate your parts and processes to help develop a TACT system specific for your application. For a complimentary parts cleaning consultation, contact Better Engineering via email or phone at 1-800-229-3380.