The non crib retaining mold molding machine uses that the non crib retaining mold molding manner

摘要

PROBLEM TO BE SOLVED: To provide a molding machine having a structure, in which the compacting force of molding sand particularly in the outer peripheral portion can sufficiently and stably be obtd. when a flaskless type mold is molded.;SOLUTION: Squeeze plates 19, 19 for applying the compacting force to the molding sand 38 filled up in molding frames 10, 12 are divided into the center portion 40 and the outer peripheral portion 42. These portions are independently driven and then, the mutually different compacting pressures in the center portion 40 and the outer peripheral portion 42 can be acted on the molding sand 38.;COPYRIGHT: (C)2000,JPO