Definition
Hot channel system that keeps the molten material at a constant temperature inside the mold. It consists of a set of heated nozzles that allow the plastic to flow uniformly.
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Hot Runner
Design
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Related terms
- Cold RunnerDesign
In this type of runner, plastic is injected through a cold channel exposed on the face of the mold. It allows for faster cooling, although it increases the projected area.
- GatesDesign
Opening or channel that allows the flow of molten material from the runner into the mold cavity. It controls and regulates the speed and injection pressure of the material.
- RunnerDesign
The entire path the plastic travels from the sprue entry to the injection point of the cavity or cavities. Molds can have a cold runner, hot runner, or a combination of both.
- Tool / MoldDesign
Metal tool machined and configured for the manufacture of plastic products. Composed of cavity, core, runner, cooling lines, and other components.