| 摘要 |
<p>A method for removing sand bales containing castings from molding boxes of poured foundry molds comprising the steps of: clamping the molding boxes together in a horizontal position; supporting the sand bales from below with a predetermined supporting force independently of the molding boxes, said predetermined supporting force being provided for at least a portion of the weight of the sand bales; applying to the molding boxes accelerative forces acting in a vertical direction while maintaining the supporting force for the sand bales,the accelerative forces being applied temporarily in a direction only which is opposite to a force resulting from the weight of said sand bales and said predetermined supporting force and being of a magnitude exceeding the magnitude of static frictional forces between the sand bales and the molding boxes in order to cause the sand bales to move out of the molding boxes; and removing the sand bales from the molding boxes. And an apparatus for corrying out this method.</p> |
