Nozzle is the last position of an HR system, and it includes a thermal conductor to vent, vent a few games provide hot plastic from flowing into the cavity channels.
Sprinklers are the most important details, hard choices and fabrication of an HR system, it must meet several demanding.
Sprinklers are heated from the inside or outside. Nozzle is heated directly by the heater placed next to them or heat from the system to the nozzle manifold channels, nozzles must be made in the form of materials with high thermal conductivity copper alloy usually.
Temperature molten plastic does not change in the channel to prevent any variation in the flow characteristics of the plastic line: the CR at the end of the hose plastic or overheating in the middle of the hose are uncontrollable. Better to be linear thermal characteristics.
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