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PET preform mould

Material :

Stainless Steel:

Core and cavity in mould are top materials. All the parts are processed in CNC machine tool with high precision, especially the plate, the tolerance is less than 0.05mm.

And all parts are treated by heat treatment strictly, to ensure their intension and life time good enough. After the treatment, the intensive neck ring and core hardness can be HRC48~52, the hardness of cavity can be HRC44~48.

Features:

1. Tube blank is designed with the help of computer, which surely contribute to the increasing of yield of bottles.

2. Employed internationally advanced two –step dual taper locating technology, Each cavity self-locks independently to ensure low decantation of products.

3. Core and cavity are made of special mold steel after preheating treatment in the original factory in Sweden. Individual temperature control of all cavity.

4. The excellent hot runner design assures uniform heating and greatly improves the quality of plastic products.

5. No cutting of gate is employed to reduce the labor intensity.

6. Standard inter-changeable mould components;

7. The life of mould is more than 2 million times.

8. Self-lock system, International advance bi-awls fixed orientation self-locked structure has been adopted.

9. Hot runner system:

    Employ PID controlling system which features automatic compensation and automatic protection, and contributes to the prolongation of lifetime of electric heater.

    The precision of temperature controlling falling within 1℃, which ensures to avoid plastic in the hot runner being burnt, resulting in a yield of up to 99% and more.

    Ultra nozzles are designed to be maintenance-friendly. Nozzle tip inserts, heater, tip insulator, and thermocouples are easily accessible and can replaced while the hot runner is mounted in the machine, which minimizes down-time and reduces maintenance cost.

10. Off-center adjustment system can make the error of preform’s wall thickness less than 0.05mm. This system does not effect the lifetime of mould.

11. Self-lock system, International advanced bi-awls fixed orientation self- locked structure has been adopted.

Specification of the preform mold:

No. of cavity
2x6
           2x8
3x8
4x8
4x12
Dimension of 17g perform(LXWXH)
650x380x420
800x380x430
870x460x460
870x700x520
1040x680x530
Weight(kg)
750
980
1300
2200
2900
Dimension of 30g perform(LXWXH)
650x380x450
800x380x460
870x460x480
870x700x530
1040x680x560
Weight(kg)
780
1060
1400
2400
3100
Dimension of 17g perform(LXWXH)
650x380x470
800x380x490
870x460x490
870x700x560
1040x680x590
Weight(kg)
850
1100
1500
2600
3200