Numerical simulation of low pressure die-casting aluminum wheel

Numerical simulation of low pressure die-casting aluminum wheel

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The FDM numerical simulation software, ViewCast system, was employed to simulate the low pressure die casting (LPDC) of an aluminum wheel.By analyzing the mold-fi lling and solidifi cation stage of the LPDC process, the distribution of liquid fraction, temperature field and solidification pattern of castings were studied.The potential shrinkage defects were predicted to depileve easy clean be formed at the rim/spoke junctions, which is in consistence with the X-ray detection result.

The distribution pattern of the defects has also been studied.A solution towards reducing such defects has been presented.The cooling capacity tonic shower cap of the mold was improved by installing water pipes both in the side mold and the top mold.

Analysis on the shrinkage defects under forced cooling mode proved that adding the cooling system in the mold is an effective method for reduction of shrinkage defects.