Injection mold cooling

Injection mold cooling

Injection mold temperature

Injection mold temperature is critical in producing qualified plastic parts.

Part cooling and solidification

Mold temperature is critical in glossary and residue strain of plastic part.

Uniform mold temperature reduces the effects of warpage.

Commonly controlled by water, hot oil of hot water cooling channels.

Injection molding cooling

On the injection molding process, above information is very inportant to get qualified plastic parts, based on different resin, we can choose hot oil, hot water, water or cold water to control the injection mold temperature. Also we can use the different mold temperature to fine tune the warapage, reducing cycle time, gloss surface finishing and shrinkage as well as dimensions. Before the injection molding, we have to read the resin specification to have the suggested mold temperaturer and cycle time to prevent resin degradation. On the transparent polycarbonate injection molding, if the resin is degradated, the plastic parts will have yellow color, this also happen on the other resin, we should be easier to discover this issue on the transparent molding parts.

Injection mold cooling

Cooling: Amorphous Resin

Mold temperature determines cooling time and therefore degree of crystallinity

Cooling trough the crystallinization range too quickly will result in reduced crystallinity(Quenching)


Injection mold cooling