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| What is Hot runner Systems? |
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Hot runner technology is used in mold injection runner system, which is the hot-point direction for the plastic mold injection crafts development.
The hot runner molding is that the plastic has been kept in liquid status from the injection nozzle to the gate, then the plastic needs not to be taken out as waste after solidification, which can be injected to the cavity next time.
The ideal mold injection system should shape the parts in the same density, which is not effected by the all the runners, gate drooling. Compared with cold runner, hot runner can make these parts by ensuring the plastic in the runner in melting status without sticking on formed parts. Hot runner system is also named as hot collecting pipe system, or non-runner mold injection.
Basically, the hot collecting pipe system can be regarded as machine barrel and the extension of the mold nozzle. The function of the hot runner system is carrying the plastic to each gate.
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