Hot runner process is also called hot header system or no runner molding. Hot runner technology is an advanced technology applied to the runner system of plastic injection mold, which is a development direction of injection molding process. Hot runner technology is generally heated by heater to ensure that the whole flow channel from the nozzle outlet to the gate of the injection molding machine is always in a molten state, so that the plastic parts with the same density can be formed without the influence of all the flow channels, flash and gates.<br>
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