Oct 29, 2021 Leave a message

Why do European molds like to use hot runner technology


You can actually produce 1,500 bottle caps in one minute, which is so efficient that you can't believe it! It benefits from high-efficiency and advanced injection molding technology and multi-cavity hot runner precision molds. Let's take a look at the injection molding process and its molds.


01

The concept of runnerless aggregate injection mold


The so-called runnerless aggregate mold means that in injection molding, the melt in the runner always maintains a hot flowing state. When the mold is opened, only the cured product needs to be taken out, and no runner aggregates are generated. Compared with traditional injection molds, this is an advanced injection mold technology and a hot spot in the development of plastic injection molding technology. Its biggest feature is that it can increase the utilization rate of materials, reduce production costs, and ensure the quality of parts.


The runnerless aggregate injection mold of thermoplastics refers to the use of heat insulation or heating in the mold to keep the plastic melt in the flow channel from the nozzle of the injection molding machine to the gate of the mold cavity always in a molten state. Continuously inject into the mold cavity.


Thermosetting plastics use a warm runner injection mold, that is, the melt in the runner is kept at a set temperature by controlling the temperature.



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