| 摘要 |
PURPOSE: A shot blasting method of a casting product is provided to prevent abrasive jets from impellers from colliding with each other by installing the impellers to be separated from each other. CONSTITUTION: A shot blasting method of a casting product(20) is as follows. The casting product is transferred to a housing(100) having openings(130, 150) so that abrasives can be jetted to the surface of the casting product. Impellers(210, 230, 250) are installed in the openings of the housing and jet the abrasives to the surface of the casting product through a drive motor. The abrasives and foreign materials on the surface of the casting product are showered with air.
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