Why there are bubbles in the process of zamak die casting

    The cause of the bubble is related to the parameters of die casting process and the structure of the mold in the process of zamak die casting. Due to the pressure chamber, the gating system, the mold cavity are communicated with the atmosphere, and liquid metal is with high pressure and high speed filling, if you can not achieve the orderly and steady flow state, liquid metal produce eddy current, resulting in the air enters the mold cavity.
(1) The liquid metal can cleanly and smoothly flow in the gating system, and does not produce separation and vortex.
(2) If there was a sharp or dead zone?
(3) Does the cutting area of the gating system change?
(4) Is the location of the vent and overflow groove correct? Is it big enough? Whether it will be blocked? Can the gas discharge effectively and smoothly?
The application of computer simulation of zamak die casting filling process is to analyze the above phenomena, and to make a reasonable choice of parameters.

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