| 摘要 |
PURPOSE: Classified abrasives for a water jet and a method for classifying the same are provided to classify the abrasives in a water jet and to reduce the waste of microabrasives used in the water-jet and to form good surface without forming scratch. CONSTITUTION: A method for classifying classified abrasives for a water jet comprises the steps of: supplying non-classified abrasive(10') and the liquid(20) with the first viscosity in which the non-classified abrasive is dispersed; classifying the non-classified abrasive by precipitating it for a certain time, and arranging a separation membrane(202) at a constant height from the bottom of a tank; discharging classified abrasive classified under the separation film; sieving the discharged classified abrasive with a vibrating sieve; transferring the classified abrasive to a drying furnace using a conveyer belt; and forming a film water resistance and shock resistance by curing the liquid with the first viscosity on the surface of the classified abrasive.
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