PRESSING CHAMBER FOR PRESSURE DIE CASTING PRESS-MOLDS Russian patent published in 2003 - IPC

FIELD: foundry. SUBSTANCE: pressing chamber includes insert of heat resistant material whose lower part is arranged in front of pouring window. Insert has shoulder. In order to fix insert, along height of shoulder flats are made; said flats are introduced into groove on outer surface of pressing chamber. At pouring metal to chamber, insert receives main thermal load. Accuracy of joining insert with chamber does not influence upon technological parameters of process due to arranging it in zone of minimum values of pressure and pressing rates. EFFECT: simplified process for making chamber and for changing insert, increased useful time period of chamber. 3 dwg