Preform Mould

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8-cavity hot runner needle valve preform mould


Mould description: 8-cavity PET preform mould with hot runner.

Molding method: injection mold

Product material: steel

Number of cavities: 8 cavities

Main formwork: P20 steel (nitrogen treatment, HRC 28-32 degrees)

Core (punch) and cavity: S136 (vacuum quenching treatment, HRC 43-52 degrees)

Screw mouth (lip): S136

Heating plate: H13 steel, national standard manifold.

Heating ring: ROTFIL from Italy.

Temperature controller: PID voltage temperature controller

Preform mold configuration adopts European mold structure: PET material directly enters the nozzle tip to improve mold cycle time.

Cooling system on cavity and core. If you need, we also designed a neck cooling system (sliding).

The preform is automatically dropped by the central ejector of the injection machine and the controller heats the individual cavities, runners and runners.

One temperature zone controls a little temperature.


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  • Detailed introduction

Mould description: 8-cavity PET preform mould with hot runner.

Molding method: injection mold

Product material: steel

Number of cavities: 8 cavities

Main formwork: P20 steel (nitrogen treatment, HRC 28-32 degrees)

Core (punch) and cavity: S136 (vacuum quenching treatment, HRC 43-52 degrees)

Screw mouth (lip): S136

Heating plate: H13 steel, national standard manifold.

Heating ring: ROTFIL from Italy.

Temperature controller: PID voltage temperature controller

Preform mold configuration adopts European mold structure: PET material directly enters the nozzle tip to improve mold cycle time.

Cooling system on cavity and core. If you need, we also designed a neck cooling system (sliding).

The preform falls automatically through the central ejector of the injection machine

The controller heats individual cavities, runners and runners.

One temperature zone controls a little temperature.

Double lock, interchangeable mold components;

Service life (guaranteed): 3,000,000 times-5,000,000 times

Country of origin: China

Warranty period: one year

Delivery time: 30-45 days

Shipping port: FOB Ningbo FOB Shanghai

Minimum order quantity: 1 set of pet can preform mould

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Mold parameters


1: Professional technical experience in the number of cavities of the preform mold from 1 to 96 cavities.


2: The preform mold adopts CAD software to design the shape of the preform according to the bottle to ensure the forming quality of the bottle.


3: The material of the thread mouth of the preform mold is made of imported nitride steel, manufactured according to international standards, with high hardness, each thread is vented, and has a long service life and does not deform.


4: Preform mold core and cavity are made of corrosion-resistant steel, which is durable.


5: The preform mold adopts advanced hot runner design, so that each cavity is independently controlled, heated, and the temperature is uniform.


6: Preform mold without cutting sprue, saving labor and raw materials.


7: The temperature of the hot runner nozzle is controlled separately. (Solve the problem of whitening and wire drawing at the bottom during the production process).


8: Needle-valve type self-locking preform mould: each core and cavity, independent double self-locking, adjustable eccentricity, reduce eccentricity, ensure product concentricity and high precision. The mold has a long service life.


9: Support processing with samples and drawings, provide new product development, and one-stop service for injection molding processing!

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