| 摘要 |
PURPOSE: A compact device that can smash sand masses into sand particles is provided, and a compact device for separating a sand mold, an as-cast product, etc., from a flask and for smashing the sand mold into sand particles is provided. CONSTITUTION: The apparatus comprises a sand tank(30) elastically supported and having therein an inner tank(33) for holding sand masses, the inner tank being defined by a wall(31) disposed in the sand tank apart from an inner surface(30A) of the sand tank, the wall having a plurality of apertures(32); and unbalanced-weight-type vibrating means(34) having unbalanced weights for vibrating the sand tank, including the inner tank, by rotating the unbalanced weights, such that the vibrations of the sand tank draw a Lissajous's figure of approximately a circle.
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