Common defects and prevention of metal mold casting

(1) Casting pinhole Measures to prevent pinholes: a. It is strictly prohibited to use polluted cast aluminum alloy materials, materials stained with organic compounds and materials severely oxidized and corroded. b. Control smelting process and strengthen degassing refining. c. Control the thickness of metal mold coating, too thick to...


Characteristics of metal mold casting process

Metal mold casting is a modern technology of making hollow mold with heat-resistant alloy steel. The metal mold can be either gravity casting or pressure casting. The mold of the metal mold can be used repeatedly. Every time the liquid metal is poured, one casting can be obtained, which...