LOW PRESSURE DIE CASTING MACHINE Russian patent published in 1997 - IPC

FIELD: foundry. SUBSTANCE: die casting machine has base 1 and cross-piece 2, which are connected through columns 3, filling device 4, mold bottom 7, mold top 8 with ejector plate 9, movable plate 12, cylinders 13 for ejection of casting and bars 14 mounted on plate 12, auxiliary plate 18 with cores 19 extending through plate 12, which is normally in contact with stems 20 of cylinders 13. Auxiliary plate 18 has columns 23 engageable with mold bottom 7. Cylinders 13 have working stroke equal to total of undercutting stroke of mold top 8 and casting ejection stroke. When die-mold is closed, space is defined between cores 19 and ejector plate 9 to allow undercutting of mold top. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 4 dwg