| 摘要 |
PURPOSE: A shot blasting apparatus having multiple impellers is provided to simultaneously perform grinding processes on the top, side, and bottom planes of a product. CONSTITUTION: A shot blasting apparatus having multiple impellers comprises a housing(100), a pair of upper impellers(210), a pair of side impellers(230), and a pair of lower impellers(250). The housing jets abrasives to the top, side, and bottom planes of a product(20) through top, side, and lower openings. The upper, side, and lower impellers are installed in the top, side, and lower openings of the housing and jet abrasives to the top, side, and bottom planes of the product through two drive motors rotated in the opposite direction to each other.
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