The outstanding performance of ultrasonic cleaners in the cleaning field makes people have to look at them with new eyes. Nowadays, ultrasonic cleaners are also competing to be applied in many hardware industries to clean hardware parts. It is generally used to remove oil. For instance, before the advent of ultrasonic cleaners, cleaning car bearings was a particularly laborious task. Manual cleaning took a long time and the crevices were not cleaned thoroughly. Due to the characteristics of ultrasonic waves, the cleaning degree of bearings after cleaning has been consistently improved.

ultrasonic cleaner for oil removal : The process of placing the parts adhering to oil stains in the degreasing solution and subjecting the degreasing process to the action of an ultrasonic field of a certain frequency is called ultrasonic degreasing. The introduction of ultrasonic cleaning machines can enhance the oil removal process, shorten the oil removal time, improve the oil removal quality and reduce the consumption of chemicals. Especially for complex-shaped parts. Small precision parts. It has a remarkable oil-removing effect on parts with difficult-to-remove oil stains on the surface and those made of insulating materials, which can save time-consuming manual labor and prevent damage to the parts. Ultrasonic waves are high-frequency sound waves with a frequency of over 16KHz. Ultrasonic oil removal is based on the principle of ultrasonic action. When ultrasonic waves are applied to remove oil stains, due to the conduction of pressure waves (density waves), a vacuum is created in the solution at a certain moment, resulting in voids. Steam and dissolved gases in the solution will enter these voids and turn into bubbles. The moment the bubbles are formed, due to the effect of positive pressure, they burst and disperse under pressure. At the same time, shock waves of several thousand atmospheres are generated around the cavity. These shock waves can wash the surface of the parts and promote the peeling of oil stains.

  Ultrasonic enhanced oil removal utilizes the destructive effect of shock waves on the oil film and the intense stirring effect produced by cavitation. The oil removal effect of ultrasonic cleaning machines is related to the shape and size of the parts, the nature of the surface oil stains, the composition of the solution, and the placement position of the parts. Therefore, the best oil removal process of ultrasonic cleaning machines should be determined through experiments. The frequency used by ultrasonic cleaners for oil removal is generally around 40KHz. When the parts are small, use a higher frequency; when they are large, use a lower frequency. Ultrasonic cleaning machines travel in a straight line and it is difficult for them to reach the obscured parts. Therefore, the parts should rotate or flip in the degreasing tank to ensure that all parts on their surfaces can be irradiated by ultrasonic waves and achieve better degreasing effects. In addition, the concentration and temperature of the solvent used in ultrasonic cleaning of oil stains should be lower than those in the corresponding chemical and electrochemical degreasing methods to avoid affecting the propagation of ultrasonic waves and also reduce the corrosion on the surface of metal materials.

【 The cleaning solution needs to be selected specifically according to the degree and nature of the stains on the cleaning product. Generally, it is divided into water-based type and solvent-based type: (1) Water-based cleaning agents are based on water, whether they are in powder or liquid form. For instance, degreasing cleaning agents, wax removal cleaning agents, cold removal (room temperature cleaning), and rust removal cleaning agents. (2) solvent-based cleaning agents are mainly chemical agents and have certain corrosiveness and flammability, such as trichloroethylene, acetone (nail polish remover), thinner, degreaser, white spirit, etc. This type of detergent has a particularly outstanding effect on special stains. (It is recommended to consult a professional cleaning agent manufacturer.)