24 Cavities Valve Needle Hot Runner PET Bottle Preform Injection Mould

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Product Details

Mould Features:

Valve pin type of Hot runner

Self-locking system for each single cavity;

off-center adjustment system for perform thickness error<0.05mm;

International Screw thread standard to adopt for no cutting gate;

Cooling system: independent cooling system for each single core ,cavity and valve gate.


 Mould Steel:

Cavity and core: stainless steel 2316 with fine polishing, high hardness to get mold's high precision and good quality

Mechanical treatment cavity and core to prolong service life;

Nitriding treatment with neck screw, with fitly operation to guarantee mould life over 2 million shots.

 Injection Gate System:

Pin-valve gate, pneumatic-driving the nozzle pin simultaneous high speed open and close action;

Able to control the injection hole open and close actions on each cavity;

reliable seal function, smooth moving, low thermal expansion rate, long using life and also saves electric energy.

 Hot Runner System:

ideal and prompt heating effect for preform production;

cavity with lower injection pressure to reduce wear and tear of mould parts;

double heating system separate temperature control mode;

the heat bars are used to heat the mould manifold plate;

small heaters supply the heating temperature for cavity nozzle continuously.