In plastic injection molding, various types of heaters are used to heat the molds and other components of the molding machine. These heaters play a critical role in maintaining the proper temperature of the mold and the plastic material.

Today we’re discussing several of the common types of heaters used in plastic injection molding.

Band Heaters

Band heaters are one of the most common types of heaters used in injection molding. They consist of a metal band or strip that wraps around the barrel of the injection molding machine. Band heaters are designed to provide uniform and consistent heating to the barrel, ensuring that the plastic material is properly melted and injected into the mold. The primary role of band heaters is to ensure uniform and consistent heating of the plastic resin within the barrel.

Importance: Proper barrel temperature is crucial for melting the plastic resin, allowing it to flow smoothly and fill the mold cavities accurately. Inconsistent heating can lead to defects in the molded parts.

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