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The PET Series Preform Injection Molding Machine is a purpose-built platform designed for the efficient production of high-quality PET bottle preforms. Engineered with a high-capacity plasticizing unit and advanced servo-hydraulic system, it ensures fast injection, stable operation, and consistent part quality even under continuous, high-volume production.

High Shot Capacity: Accommodates large preform molds for water, CSD, edible oil, and cosmetic bottles.
Low Plasticizing Temperature: PET-specific screw reduces melt temperature and AA generation, improving preform clarity and mechanical strength.
Fast, Stable Injection: Optimized pressure and velocity profiles ensure accurate filling of multi-cavity, deep-preform molds.
Long Ejector Stroke: Protects the neck and threads while ensuring smooth, damage-free release.
Energy-Efficient Servo System: Reduces energy consumption while maintaining precise injection control.
Large Tie-Bar Spacing: Fits multi-cavity hot runner molds and ensures excellent mold accessibility.
Reliable Control: Advanced switchover precision ensures gate balance and uniform preform weight.
PET preforms for water bottles, carbonated soft drinks (CSD), juices, edible oils, dairy products, cosmetics, and detergents.
Compatible with multi-cavity hot runner molds, deep-cavity preforms, and special neck designs.

| High Output and Consistent Quality | Designed for multi-cavity PET preform molds, the machine ensures uniform wall thickness and superior clarity for every cycle. |
| PET-Dedicated Plasticizing System | The optimized PET screw enhances melting efficiency, reduces melt temperature, and minimizes AA generation for crystal-clear preforms. |
| Energy-Saving Servo-Hydraulic System | The advanced servo drive delivers precise control while significantly reducing energy consumption during continuous production. |
| Long-Stroke Ejector Protection | Extended ejector stroke and high thimble force ensure smooth preform release without damaging neck finishes or threads. |
| Flexible Mold Compatibility | Accommodates a wide range of hot-runner molds and cavity configurations, making it suitable for water, CSD, oil, and cosmetic preforms. |
| Stable and Reliable Operation | Rigid clamping system, accurate pressure control, and smart switchover timing guarantee long-term stability and consistent product dimensions. |
| Item | Unit | NT230PET | NT260PET | NT360PET | NT400PET | NT500PET |
|---|---|---|---|---|---|---|
| Screw Diameter | mm | 60 / 65 | 70 / 75 | 85 / 90 / 95 | 95 / 100 / 105 | 105 / 110 / 115 / 120 |
| Screw L/D Ratio | L/D | 25 | 25 | 25 | 25 | 25 |
| Shot Volume (Theoretical) | cm³ | 763 / 895 | 945 / 1259 | 1546 / 1986 / 2480 / 2764 | 3047 / 3377 / 3723 | 4112 / 4513 / 4933 / 5372 |
| Injection Weight (PS) | g | 930 / 1092 | 1153 / 1536 | 1886 / 2420 / 3025 / 3372 | 3717 / 4120 / 4542 | 5016 / 5505 / 6018 / 6553 |
| Injection Pressure | MPa | 124 / 106 | 145 / 108 | 152 / 118 / 117 / 105 | 123 / 111 / 101 | 132 / 120 / 110 / 101 |
| Injection Rate | cm³/s | 342 | 401 | 365 / 485 / 437 | 687 / 761 / 839 | 900 / 988 / 1080 / 1176 |
| Injection Stroke | mm | 270 | 285 | 350 | 430 | 475 |
| Injection Speed | mm/s | 121 | 110 | 99 / 103 | 97 | 104 |
| Screw Speed | rpm | 160 | 150 | 125 / 120 | 100 | 110 / 90 |
| Item | Unit | NT230PET | NT260PET | NT360PET | NT400PET | NT500PET |
|---|---|---|---|---|---|---|
| Clamp Force | kN | 2300 | 2600 | 3600 | 4000 | 5000 |
| Open Stroke | mm | 490 | 570 | 670 | 725 | 800 |
| Space Between Tie Bars | mm × mm | 530 × 530 | 580 × 580 | 730 × 680 | 730 × 730 | 830 × 780 |
| Max. Mould Height | mm | 550 | 590 | 700 | 800 | 850 |
| Min. Mould Height | mm | 200 | 200 | 250 | 300 | 280 |
| Ejector Stroke | mm | 145 | 150 | 195 | 180 | 200 |
| Ejector Force | kN | 90 | 113 | 125 | 138 | 180 |
| Ejector Number | N | 9 | 13 | 13 | 13 | 13 |
| Item | Unit | NT230PET | NT260PET | NT360PET | NT400PET | NT500PET |
|---|---|---|---|---|---|---|
| Max. Pump Pressure | MPa | 16 | 16 | 16 | 16 | 16 |
| Pump Motor Power | kW | 29 | 39 | 44 / 50 | 65 | 44 + 39 / 71 / 76 |
| Heating Power | kW | 25 | 28 / 33 | 34 / 39 / 44 | 50 / 56 / 61 | 56 / 61 / 66 |
| Machine Dimensions (L×W×H) | m | 6.2 × 1.45 × 2.1 | 6.8 × 1.55 × 2.2 | 7.8 × 1.85 × 2.35 | 8.9 × 2.1 × 2.55 | 9.55 × 2.2 × 2.6 |
| Machine Weight (Estimated) | t | 6.5 | 8.6 | 12 | 16 / 19 | 22 |