1. Equipment conditions:
One is the power density: the ultrasonic output must reach a certain strength to produce cavitation, the strength of this intensity we use the power density to measure the lowest density should be greater than 0.35W/cm2, the actual application of the majority of 0.4 ~ 0.8W/cm2. 0.8W/cm2.
The second is the ultrasonic frequency: industrial ultrasonic cleaning equipment is usually in the frequency between 20 ~ 80KHz, commonly used frequencies include 20, 25, 28, 33, and 40KHz.
2. Process:
One is the temperature: ultrasonic cleaning is generally used in the medium temperature (40 ~ 60 ℃)
Second, the cleaning fluid: the choice of cleaning fluid needs to be based on the cleaning object to select a different cleaning fluid. Cleaning fluid has a water-based cleaning fluid and solvent-based cleaning fluid two categories.
At present, water-based cleaning fluid has been more and more widely used: degreasing can be alkaline, neutral or acidic degreasing solution; can be used to clean the rust and oxidized skin of the weak acid such as phosphoric acid.