An injection molding machine is a machine that produces plastic parts from plastic in granular form. For this purpose, the required molding compound is prepared in the injection unit and injected into a die, which represents a negative mold (cavity) of the desired plastic part. Depending on the process used (thermoplastic injection molding, thermoset injection molding or elastomer injection molding), various components of the machine are heated or tempered. Injection molding machines generally consist of two parts: The injection unit, which prepares the raw material and injects it into the mold under pressure, and the clamping unit, which receives the mold and opens and closes it.
The high-resistance plastic injection-molded part becomes electrostatically charged during the injection process and through contact and separation of the product when the tool is opened and the parts are ejected. Due to the very low mass, a small charge is sufficient for small parts to stick to the earthed mold. When the mold is subsequently closed, the machine comes to a standstill.
The problem was solved by using special air nozzles with integrated ionization. The positioning was done at the suitable place at the injection mold.
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