COMPRESSION MOLD FOR PRESSURE DIE-CASTING WITH CRYSTALLIZATION Russian patent published in 1995 - IPC

FIELD: foundry. SUBSTANCE: compression mold has die 2 with a rod comprising holder 6 and insertion piece 7 secured on punch 8. Rod cooling system has adjusting tank 14 with coolant inlet 15 and outlet 17 and 18 at upper and lower levels. The tank is connected to through passage 5 to cavity 3 of rod holder 6. Coolant enters the holder when casting stores in the die with open compression mold to provide increased compressed mold life time and decreased refuse of casting at the expense of decreased force arising in casting withdrawal. EFFECT: increased life time of compression molds. 6 dwg