Die-casting part deformation primarily stems from issues during the solidification stage of the casting. The key factors governing solidification are temperature and pressure—and the release agent’s role ties mainly to temperature control:
If the release agent is over-diluted (i.e., too low a dilution ratio) or has poor thermal insulation performance, it will exacerbate heat loss from the mold interior, disrupting the casting’s solidification process.
Additionally, if the release agent’s heat resistance is incompatible with operating conditions, it may cause mold sticking (adhesion between the casting and mold).
Therefore, all these factors demand careful attention.
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