| 摘要 |
A register system is provided for making molds for metal casting which reduces flaws attributable to parting line shift. This is accomplished by urging the cope mold flask (11) against two fixed stops (50, 52) on the long axis, and one fixed stop (54) on the short axis of the flask. This same register principle is applied in the drag mold making station 18, where the drag flask (15) is urged against two fixed stops (86, 88) on the long axis, and one fixed stop (90) on the short axis of the flask. At the closer station (24), where the mold halves are assembled using the improved closer 150 which comprises in an assembly of cooperative association an upper support framework 160, an intermediate support framework 170 suspended from the upper support framework 160 as so to permit only pure vertical motion therebetween, a cope capture framework 180 freely suspended from the intermediate support framework 170, and a drag capture framework 190 which is suspended from the cope capture framework 180 so as to permit only pure axial translation therebetween. The flasks are properly aligned to the patterns at the mold making stations, and again properly aligned to each other at the closer station, so as to eliminate parting line shift problems of the mold halves.
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