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Ultrasonic polishing the workpiece into the abrasive suspension and placed together in the ultrasonic field, depending on the role of ultrasonic oscillation, so that the abrasive surface grinding and polishing. Ultrasonic machining macro force is small, will not cause deformation of the workpiece, but the tooling and installation more difficult. Ultrasonic machining can be combined with chemical or electrochemical methods. In the solution of corrosion, electrolysis, based on the application of ultrasonic vibration stirring solution, so that the workpiece surface dissolution products from the surface near the corrosion or electrolyte uniformity; ultrasonic cavitation in the liquid can also inhibit the corrosion process, which will help surface light
Fluid polishing Fluid polishing is based on the * high-speed flow of liquid and abrasive particles scouring the workpiece surface to achieve the purpose of polishing. Common methods are: abrasive spray processing, liquid jet processing, fluid power grinding and so on. Hydrodynamic grinding is driven hydraulically, allowing the abrasive medium to flow back and forth through the workpiece surface at high speeds. The medium is mainly made of special compounds that flow well at lower pressure and mixed with abrasive, and the abrasive can be silicon carbide powder.